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Revista mexicana de ciencias agrícolas

versão impressa ISSN 2007-0934

Resumo

MARTINEZ-DAMIAN, María Teresa; CRUZ-ALVAREZ, Oscar; MORENO-PEREZ, Esaú del Carmen  e  VALLE-GUADARRAMA, Salvador. Intensity of color and bioactive compounds in collections of guajillo chili from Northern Mexico. Rev. Mex. Cienc. Agríc [online]. 2019, vol.10, n.1, pp.35-49. ISSN 2007-0934.  http://dx.doi.org/10.29312/remexca.v10i1.465.

In this research, color, content of bioactive compounds and antioxidant capacity were analyzed in collections of guajillo chili native from Durango and Zacatecas, Mexico. The experimental design was completely randomized with four repetitions. The study was carried out at the Autonomous University Chapingo, Texcoco, State of Mexico. The variables evaluated were color, vitamin C (VC), total anthocyanins (AT), total phenols (FT), as well as antioxidant capacity (CA). No significant variation was found for brightness and color chromaticity; however, the °hue was lower in collection 25 (33.77°). With respect to the content of bioactive compounds, collections 19 and 25 stand out for their high content of VC (200.02 and 196.19 mg ascorbic acid100 g-1 ps, respectively). The 96.6% of the collections (29/30) showed similar values of AT and FT, whose values were between 1 and 1.97 mg cyanidin-3-glucoside 100 g-1 as well as from 72.00 to 129.54 mg gallic acid 100 g-1 ps, respectively. Additionally, the CA in 26/30 of the collections showed values between 4 991 and 10 607 mol eq Trolox g-1; however, they were greater than collections 8, 20, 21 and 28 (3 068, 3 063, 2 559 and 2 054 μmol eq Trolox g-1, respectively). On the other hand, the greater variability between collections was due to the concentration of VC, AT and FT, in addition to showing a positive linear correlation with CA, which represents an opportunity for genetic selection and breeding.

Palavras-chave : Capsicum annuum L.; fruit quality; multivariate methods; native genotypes.

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