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Journal of the Mexican Chemical Society

versión impresa ISSN 1870-249X

Resumen

HOLANDA, Luís Eduardo Gomes de; RAMOS, Clécio de Sousa  y  FREITAS FILHO, João Rufino de. Fatty Acid Profiles and Antimicrobial Activity from Tropical Fruit Seeds. J. Mex. Chem. Soc [online]. 2023, vol.67, n.2, pp.163-171.  Epub 23-Mar-2024. ISSN 1870-249X.  https://doi.org/10.29356/jmcs.v67i2.1866.

Fatty acid profiles and antimicrobial activity of ten oils from tropical fruit seeds were determined. The fatty acid composition of the oils was determined by GC-MS analysis that allowed identification of oleic, linoleic, palmitic, and stearic acids as major constituents. Oil samples exhibited antimicrobial activity against fungus, yeast, Gram-positive and Gram-negative bacteria. Eugenia uniflora seed oil was the most active for bacteria with Minimum Inhibitory Concentration (MIC) values ​​from 39.0 to 1250 μg mL-1. E. uniflora oil showed strong activity against bacteria Staphylococcus aureus, Enterococcus faecalis and Klebsiella pneumoniae as wells as for yeast Candida utilis with MIC of 312.5 μg mL-1. The carboxylic group of acids identified was associated with the antimicrobial activity considering that the esterified oils showed MIC greater than 2000 μg mL-1. Our study showed that the tropical fruit seeds have antimicrobial potential and their residues from the fruit juice industry can be used as a source of bioactive products.

Palabras llave : Bacteria; seed oil; fatty acids; tropical fruits; fung.

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