<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0188-8897</journal-id>
<journal-title><![CDATA[Hidrobiológica]]></journal-title>
<abbrev-journal-title><![CDATA[Hidrobiológica]]></abbrev-journal-title>
<issn>0188-8897</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma Metropolitana, División de Ciencias Biológicas y de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-88972021000200125</article-id>
<article-id pub-id-type="doi">10.24275/uam/izt/dcbs/hidro/2021v31n2/trejo</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Spatial and seasonal effects on physicochemical properties of native agar from Gracilaria parvispora (Rhodophyta) in the Tropical Mexican Pacific (Oaxaca-Chiapas)]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto espaciotemporal en las propiedades fisicoquímicas del agar nativo de Gracilaria parvispora (Rhodophyta) en el Pacífico Mexicano Tropical (Oaxaca-Chiapas)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trejo-Méndez]]></surname>
<given-names><![CDATA[María de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Carmona]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arvizu-Higuera]]></surname>
<given-names><![CDATA[Dora Luz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosas-Alquicira]]></surname>
<given-names><![CDATA[Edgar Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montoya-Márquez]]></surname>
<given-names><![CDATA[José Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Montesinos]]></surname>
<given-names><![CDATA[Yoloxochitl Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Ochoa]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Mar Instituto de Recursos ]]></institution>
<addr-line><![CDATA[San Pedro Pochutla Oaxaca]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Ciencias Marinas ]]></institution>
<addr-line><![CDATA[La Paz B.C.S.]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>31</volume>
<numero>2</numero>
<fpage>125</fpage>
<lpage>135</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-88972021000200125&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-88972021000200125&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-88972021000200125&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Background: Gracilaria parvispora is an invasive red seaweed located in coastal lagoons along the Tropical Mexican Pacific. Gracilaria species are the main source of agar around the world.  Goals: Spatial and seasonal trends of the properties of native agar from the invasive seaweed G. parvispora were determined in three localities in the states of Oaxaca and Chiapas belonging to coastal lagoons along the Tropical Mexican Pacific: Ballenato, Paredón, and San Vicente.  Methods: Native agar was obtained from dry samples of seaweed and the agar yield, gel strength, melting and gelling temperatures, hysteresis, and sulfate and 3,6-anhydrogalactose content were determined for each sample. Moreover, the polysaccharide structures and the location of sulfate groups in agar samples were identified.  Results: The phycocolloid is a polysaccharide agar type. The agar yield was significantly different between seasons and localities, with the highest values during the dry season (19.9 ± 0.004%) at Paredón (20.6 ± 0.01 %). Gel strength, melting temperature and gel hysteresis showed significant spatial differences; the highest values were obtained in Ballenato (367.3 ± 14.2 g cm&#8722;2, 80.2 ± 1.4 °C, 44.3 ± 2.2 °C, respectively); gelling temperature did not show significant differences between localities or seasons. Chemical properties were significantly different between seasons: 3,6-anhydrogalactose content was higher during the dry season (36.2 ± 0.2 %), and sulfate content was higher during the rainy season (12.69 ± 0.21 %). Salinity was significantly different between seasons, and the highest was obtained during the dry season (38.7 ± 0.1). Surface water temperature varied between localities, and the highest mean value was recorded at Paredón (32.5 ± 0.2 °C.(  Conclusions:  The chemical properties of the G. parvispora native agar were lower than the standards for food and industrial use.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Antecedentes: Gracilaria parvispora es un alga roja invasora que se encuentra en lagunas costeras del Pacífico Mexicano Tropical. A nivel mundial, las especies de Gracilaria son la fuente principal de agar.  Objetivos:  Se determinaron las tendencias espaciales y temporales de las propiedades del agar nativo de G. parvispora en tres localidades de los estados de Oaxaca y Chiapas, pertenecientes a lagunas costeras del Pacífico Mexicano Tropical: Ballenato, Paredón y San Vicente.  Métodos:  Se determinó el rendimiento del agar, la fuerza de gel, la temperatura de fusión y gelificación, la histéresis, y el contenido de sulfatos y 3,6-anhidrogalactosa del agar nativo obtenido de muestras secas de macroalga. Además, se identificaron las estructuras de los polisacáridos y la posición de los grupos sulfato en las muestras.  Resultados: El ficocoloide es un polisacárido tipo agar. El rendimiento mostró diferencias significativas entre localidades y temporadas, con valores mayores durante la temporada de secas (19.9 ± 0.004%) y en Paredón (20.6 ± 0.01 %). La fuerza de gel, la temperatura de fusión y la histéresis mostraron diferencias espaciales significativas; con valores más altos para las muestras de Ballenato (367.3 ± 14.2 g cm&#8722;2, 80.2 ± 1.4 °C, 44.3 ± 2.2 °C, respectivamente); la temperatura de gelificación no mostró diferencias significativas entre localidades o temporadas. Las propiedades químicas mostraron diferencias significativas entre temporadas: el contenido de 3,6-anhidrogalactosa fue mayor durante la temporada de secas (36.2 ± 0.2 %), y el contenido de sulfato fue mayor durante la temporada de lluvias (12.69 ± 0.21 %). La salinidad fue significativamente diferente entre temporadas, con mayor valor para la temporada de secas (38.7 ± 0.1). La temperatura superficial del agua varió entre localidades, la más alta se registró en Paredón (32.5 ± 0.2 °C.)  Conclusiones: Las propiedades químicas de G. parvispora fueron menores a los estándares para su uso industrial y alimenticio.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[3,6-Anhydrogalactose]]></kwd>
<kwd lng="en"><![CDATA[coastal lagoons]]></kwd>
<kwd lng="en"><![CDATA[FTIR-ATR spectroscopy]]></kwd>
<kwd lng="en"><![CDATA[seasonal variation]]></kwd>
<kwd lng="en"><![CDATA[sulfate content]]></kwd>
<kwd lng="es"><![CDATA[3,6-anhidrogalactosa]]></kwd>
<kwd lng="es"><![CDATA[contenido de sulfatos]]></kwd>
<kwd lng="es"><![CDATA[espectroscopia FTIR-ATR]]></kwd>
<kwd lng="es"><![CDATA[lagunas costeras]]></kwd>
<kwd lng="es"><![CDATA[variación estacional]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abbott]]></surname>
<given-names><![CDATA[I. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sección IV. Gracilaria]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Abbott]]></surname>
<given-names><![CDATA[I. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Norris]]></surname>
<given-names><![CDATA[J. N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Taxonomy of Economic Seaweeds with Reference to Some Pacific and Caribbean Species]]></source>
<year>1985</year>
<page-range>115-56</page-range><publisher-loc><![CDATA[La Jolla, CA ]]></publisher-loc>
<publisher-name><![CDATA[California Sea Grant College Program]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Armisén]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[World-wide use and importance of Gracilaria]]></article-title>
<source><![CDATA[Journal of Applied Phycology]]></source>
<year>1995</year>
<volume>7</volume>
<page-range>231-43</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Armisén]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Galatas]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Production, properties and uses of agar]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[McHugh]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Production and Utilization of Products from Commercial Seaweeds]]></source>
<year>1987</year>
<page-range>1-57</page-range><publisher-loc><![CDATA[Rome ]]></publisher-loc>
<publisher-name><![CDATA[FAO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Armisén]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Galatas]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agar]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Phillips]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook of Hydrocolloids]]></source>
<year>2000</year>
<page-range>21-40</page-range><publisher-loc><![CDATA[Boca Raton, FL ]]></publisher-loc>
<publisher-name><![CDATA[CRC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arvizu-Higuera]]></surname>
<given-names><![CDATA[D. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Montesinos]]></surname>
<given-names><![CDATA[Y. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Murillo-Álvarez]]></surname>
<given-names><![CDATA[J. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz-Ochoa]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Carmona]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of alkali treatment time and extraction time on agar from Gracilaria vermiculophylla]]></article-title>
<source><![CDATA[Journal of Applied Phycology]]></source>
<year>2008</year>
<volume>20</volume>
<page-range>515-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barros]]></surname>
<given-names><![CDATA[F. C. N.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Sombra]]></surname>
<given-names><![CDATA[V. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Maciel]]></surname>
<given-names><![CDATA[J. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Feitosa]]></surname>
<given-names><![CDATA[J. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Freitas]]></surname>
<given-names><![CDATA[A. L]]></given-names>
</name>
<name>
<surname><![CDATA[de Paula]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Structural characterization of polysaccharide obtained from red seaweed Gracilaria caudata (J. Agardh)]]></article-title>
<source><![CDATA[Carbohydrate Polymers]]></source>
<year>2013</year>
<volume>92</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>598-603</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bird]]></surname>
<given-names><![CDATA[K. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agar production and quality from Gracilaria sp. strain G-16: effects of environment factors]]></article-title>
<source><![CDATA[Botanica Marina]]></source>
<year>1988</year>
<volume>31</volume>
<page-range>33-9</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Buriyo]]></surname>
<given-names><![CDATA[A. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kivaisi]]></surname>
<given-names><![CDATA[A. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Standing stock, agar yield and properties of Gracilaria salicornia harvested along the Tanzanian coast]]></article-title>
<source><![CDATA[Western Indian Ocean Journal of Marine Science]]></source>
<year>2003</year>
<volume>2</volume>
<page-range>171-8</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Callaway]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lab staple agar runs low, dwindling seaweed harvest imperils reagent essential for culturing microbes]]></article-title>
<source><![CDATA[Nature]]></source>
<year>2015</year>
<volume>528</volume>
<page-range>171-2</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camacho]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Carmona]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fenología y alginatos de dos especies de Sargassum de la costa Caribe de Colombia]]></article-title>
<source><![CDATA[Ciencias Marinas]]></source>
<year>2012</year>
<volume>38</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>381-93</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Contreras]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Castañeda]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hidrología, nutrientes y productividad primaria en lagunas costeras del estado de Oaxaca, México]]></article-title>
<source><![CDATA[Hidrobiológica]]></source>
<year>1997</year>
<volume>7</volume>
<page-range>9-12</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dobson]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[An introduction to generalized linear models]]></source>
<year>2002</year>
<page-range>255</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Chapman &amp; Hall/CRC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dreckmann]]></surname>
<given-names><![CDATA[K. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El género Gracilaria (Rhodophyta) en el Pacífico Centro-Sur de México. I. Gracilaria parvispora I. A. Abbott]]></article-title>
<source><![CDATA[Hidrobiológica]]></source>
<year>1999</year>
<volume>9</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>71-6</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Freile-Pelegrín]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Murano]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agars from three species of Gracilaria (Rhodophyta) from Yucatán Peninsula]]></article-title>
<source><![CDATA[Bioresource Technology]]></source>
<year>2005</year>
<volume>96</volume>
<page-range>295-302</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Freile-Pelegrín]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Robledo]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of season on the agar content and chemical characteristics of Gracilaria cornea from Yucatan, Mexico]]></article-title>
<source><![CDATA[Botanica Marina]]></source>
<year>1997</year>
<volume>40</volume>
<page-range>285-90</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Freile-Pelegrín]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Robledo]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of alkali treatment on agar from Gracilaria cornea from Yucatan, Mexico]]></article-title>
<source><![CDATA[Journal of Applied Phycology]]></source>
<year>1997</year>
<volume>9</volume>
<page-range>533-9</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García-Rodríguez]]></surname>
<given-names><![CDATA[L. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Ríosmena-Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[S. Y.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Meyer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Orduña-Rojas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Vivas]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Boo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recent introduction of Gracilaria parvispora (Gracilariales, Rhodophyta) in Baja California, Mexico]]></article-title>
<source><![CDATA[Botanica Marina]]></source>
<year>2013</year>
<volume>56</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>143-50</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez-Ordóñez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Rupérez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[FTIR-ATR spectroscopy as a tool for polysaccharide identification in edible brown and red seaweeds]]></article-title>
<source><![CDATA[Food Hydrocolloids]]></source>
<year>2011</year>
<volume>25</volume>
<page-range>1514-20</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guerrero]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Etxabide]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Leceta]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Peñalba]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[de la Caba]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extraction of agar from Gelidium sesquipedale (Rhodopyta) and surface characterization of agar based films]]></article-title>
<source><![CDATA[Carbohydrate Polymers]]></source>
<year>2014</year>
<volume>99</volume>
<page-range>491-8</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gurgel]]></surname>
<given-names><![CDATA[C. F. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Norris]]></surname>
<given-names><![CDATA[J. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Le]]></surname>
<given-names><![CDATA[H. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Fredericq]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systematics of the Gracilariales (Rhodophyta) including new subfamilies, tribes, subgenera, and two new genera, Agarophyton gen. nov. y Crassa gen. nov]]></article-title>
<source><![CDATA[Phytotaxa]]></source>
<year>2018</year>
<volume>374</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-23</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hair]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Tatham]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[W. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis Multivariante]]></source>
<year>1999</year>
<page-range>799</page-range><publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[Prentice Hall]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Heydari]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Nematollahi]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Motamedzadegan]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hashem]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Hosseini]]></surname>
<given-names><![CDATA[S. V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimization of the yield and quality of agar from Gracilariopsis persica]]></article-title>
<source><![CDATA[Bulletin of Environmental, Pharmacology and Life Sciences]]></source>
<year>2014</year>
<volume>3</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>33-40</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hung]]></surname>
<given-names><![CDATA[L. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Nang]]></surname>
<given-names><![CDATA[H. Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Buu]]></surname>
<given-names><![CDATA[N. Q.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical composition of sulfated galactans agar from some Gracilaria species growing along the coast of southern Vietnam]]></article-title>
<source><![CDATA[Journal of Chemistry]]></source>
<year>2000</year>
<volume>38</volume>
<page-range>80-3</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[John]]></surname>
<given-names><![CDATA[D. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Asare]]></surname>
<given-names><![CDATA[S. O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A preliminary study of the variations in yield and properties of phycocolloids from Ghanaian seaweeds]]></article-title>
<source><![CDATA[Marine Biology]]></source>
<year>1975</year>
<volume>30</volume>
<page-range>325-30</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Krueger-Hadfield]]></surname>
<given-names><![CDATA[S. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Carmona]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Terada]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Vivas]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Riosmena-Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New record of the non-native seaweed Gracilaria parvispora in Baja California - A note on Vergara-Rodarte et al. (2016)]]></article-title>
<source><![CDATA[Cryptogamie, Algologie]]></source>
<year>2016</year>
<volume>37</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>257-63</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lahaye]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Yaphe]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of seasons on the chemical structure and gel strength of Gracilaria pseudo-verrucosa agar (Gracilariaceae, Rhodophyta)]]></article-title>
<source><![CDATA[Carbohydrate Polymers]]></source>
<year>1988</year>
<volume>8</volume>
<page-range>285-301</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[W. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Lim]]></surname>
<given-names><![CDATA[P. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Phang]]></surname>
<given-names><![CDATA[S. M]]></given-names>
</name>
<name>
<surname><![CDATA[Namasivayam]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Ho]]></surname>
<given-names><![CDATA[C. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agar properties of Gracilaria species (Gracilariaceae, Rhodophyta) collected from different natural habitats in Malaysia]]></article-title>
<source><![CDATA[Regional Studies in Marine Science]]></source>
<year>2016</year>
<volume>7</volume>
<page-range>123-8</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[León-Tejera]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[González-González]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Macroalgal communities from Laguna Superior, Oaxaca]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Munawar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lawrence]]></surname>
<given-names><![CDATA[S. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Munawar]]></surname>
<given-names><![CDATA[I. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Malley]]></surname>
<given-names><![CDATA[D. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Aquatic Ecosystems of Mexico. Status and Scope]]></source>
<year>2000</year>
<page-range>323-34</page-range><publisher-loc><![CDATA[Leiden ]]></publisher-loc>
<publisher-name><![CDATA[Backhuys Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marinho-Soriano]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[T. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[W. S. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seasonal variation in the biomass and agar yield from Gracilaria cervicornis and Hydropuntia cornea from Brazil]]></article-title>
<source><![CDATA[Bioresource Technology]]></source>
<year>2001</year>
<volume>77</volume>
<page-range>115-20</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mateo-Cid]]></surname>
<given-names><![CDATA[L. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza-González]]></surname>
<given-names><![CDATA[A. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Algas marinas bentónicas de la costa noroccidental de Guerrero, México]]></article-title>
<source><![CDATA[Revista Mexicana de Biodiversidad]]></source>
<year>2012</year>
<volume>83</volume>
<page-range>905-28</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Matsuhiro]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vibrational spectroscopy of seaweed galactans]]></article-title>
<source><![CDATA[Hydrobiologia]]></source>
<year>1996</year>
<volume>326</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>481-9</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mazumder]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ghosal]]></surname>
<given-names><![CDATA[P. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Pujol]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Carlucci]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Damonte]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ray]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isolation, chemical investigation and antiviral activity of polysaccharides from Gracilaria corticata (Gracilariaceae, Rhodophyta)]]></article-title>
<source><![CDATA[International Journal of Biological Macromolecules]]></source>
<year>2002</year>
<volume>31</volume>
<page-range>87-95</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McHugh]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Prospects for seaweed production in developing countries]]></source>
<year>2002</year>
<page-range>28</page-range><publisher-loc><![CDATA[Rome ]]></publisher-loc>
<publisher-name><![CDATA[FAO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McHugh]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[A guide to the seaweed industry]]></source>
<year>2003</year>
<page-range>105</page-range><publisher-loc><![CDATA[Rome ]]></publisher-loc>
<publisher-name><![CDATA[FAO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mendoza-González]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mateo-Cid]]></surname>
<given-names><![CDATA[L. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adiciones a la ficoflora marina bentónica de las costas de Oaxaca, México]]></article-title>
<source><![CDATA[Polibotánica]]></source>
<year>1999</year>
<volume>10</volume>
<page-range>39-58</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Menges]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spectragryph, optical spectroscopy software]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Murano]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical structure and quality of agars from Gracilaria]]></article-title>
<source><![CDATA[Journal of Applied Phycology]]></source>
<year>1995</year>
<volume>7</volume>
<page-range>245-54</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orduña-Rojas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[García-Camacho]]></surname>
<given-names><![CDATA[K. Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Orozco-Meyer]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Ríosmena-Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pacheco-Ruíz]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Zertuche]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Melling-López]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agar properties of two species of Gracilariaceae from the Gulf of California]]></article-title>
<source><![CDATA[Journal of Applied Phycology]]></source>
<year>2008</year>
<volume>20</volume>
<page-range>169-75</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oyieke]]></surname>
<given-names><![CDATA[H. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The yield, physical and chemical properties of agar from Gracilaria species (Gracilariales, Rhodophyta) of the Kenya Coast]]></article-title>
<source><![CDATA[Hydrobiologia]]></source>
<year>1993</year>
<volume>260/261</volume>
<page-range>613-20</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gheda]]></surname>
<given-names><![CDATA[S. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ribeiro-Claro]]></surname>
<given-names><![CDATA[P. J. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysis by vibrational spectroscopy of seaweed polysaccharides with potential use in food, pharmaceutical, and cosmetic industries]]></article-title>
<source><![CDATA[International Journal of Carbohydrate Chemistry]]></source>
<year>2013</year>
<volume>2013</volume>
<page-range>537202</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Praiboon]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Chirapart]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Akakabe]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Bhumibhamon]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Kajiwara]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Physical and chemical characterization of agar polysaccharides extracted from the Thai and Japanese species of Gracilaria]]></article-title>
<source><![CDATA[Science Asia]]></source>
<year>2006</year>
<volume>32</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>11-7</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rebello]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ohno]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ukeda]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kusunose]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Sawamura]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[3,6 anhydrogalactose, sulfate and methoxyl contents of commercial agarophytes from different geographical origins]]></article-title>
<source><![CDATA[Journal of Applied Phycology]]></source>
<year>1997</year>
<volume>9</volume>
<page-range>367-70</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sornalakshmi]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of season on the yield and properties of agar from Gracilaria corticata]]></article-title>
<source><![CDATA[International Journal of Sciences, Engineering and Management]]></source>
<year>2017</year>
<volume>2</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>206-11</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tako]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The principle of polysaccharide gels]]></article-title>
<source><![CDATA[Advances in Bioscience and Biotechnology]]></source>
<year>2015</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>22-36</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tapia-García]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[García-Abad]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Penagos-García]]></surname>
<given-names><![CDATA[F. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno-Ruíz]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Juárez-Hernández]]></surname>
<given-names><![CDATA[L. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Gutiérrez]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Herrera-Olayo]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Subsistemas hidrológicos de la laguna Mar Muerto Oaxaca-Chiapas, México]]></article-title>
<source><![CDATA[Lacandonia]]></source>
<year>2011</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>97-112</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Terho]]></surname>
<given-names><![CDATA[T. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Hartiala]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Method for determination of sulfate content of glycosaminoglycans]]></article-title>
<source><![CDATA[Analytical Biochemistry]]></source>
<year>1971</year>
<volume>41</volume>
<page-range>471-6</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vergara-Rodarte]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Carmona]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Montesinos]]></surname>
<given-names><![CDATA[Y. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Arvizu-Higuera]]></surname>
<given-names><![CDATA[D. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Riosmena-Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Murillo-Alvarez]]></surname>
<given-names><![CDATA[J. I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seasonal variation of agar from Gracilaria vermiculophylla, effect of alkali treatment time, and stability of its Colagar]]></article-title>
<source><![CDATA[Journal of Applied Phycology]]></source>
<year>2010</year>
<volume>22</volume>
<page-range>753-9</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Viana]]></surname>
<given-names><![CDATA[A. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Noseda]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[M. E. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cerezo]]></surname>
<given-names><![CDATA[A. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Alkali modification of carrageenans. Part V. The iota-nu hybrid carrageenan from Eucheuma denticulatum and its cyclization to iota-carrageenan]]></article-title>
<source><![CDATA[Carbohydrate Polymers]]></source>
<year>2004</year>
<volume>58</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>455-60</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[J. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ragasa]]></surname>
<given-names><![CDATA[A. L. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Montaño]]></surname>
<given-names><![CDATA[M. N. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agar from the red seaweed, Laurencia flexilis (Ceramiales, Rhodophyta) from northern Philippines]]></article-title>
<source><![CDATA[Phycological Research]]></source>
<year>2010</year>
<volume>58</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>151-6</page-range></nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[A. M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonçalves]]></surname>
<given-names><![CDATA[M. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Nilsson]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hilliou]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Production and properties of agar from the invasive marine alga, Gracilaria vermiculophylla (Gracilariales, Rhodophyta)]]></article-title>
<source><![CDATA[Journal of Applied Phycology]]></source>
<year>2010</year>
<volume>22</volume>
<page-range>211-20</page-range></nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yaphe]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Arsenault]]></surname>
<given-names><![CDATA[G. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Improved resorcinol reagent for the determination of fructose and of 3,6-anhydrogalactose in polysaccharides]]></article-title>
<source><![CDATA[Analytical Biochemistry]]></source>
<year>1965</year>
<volume>13</volume>
<page-range>143-8</page-range></nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zar]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biostatistical Analysis]]></source>
<year>2010</year>
<page-range>994</page-range><publisher-loc><![CDATA[New Jersey ]]></publisher-loc>
<publisher-name><![CDATA[Pearson]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
