TITLE:
Composition of Triacylglycerols in Fats of Cow and Goat Milk Produced in Four Zones of Mexico
AUTHORS:
Rey Gutiérrez Tolentino, Salvador Vega y León, Mario Noa Pérez, Marta Coronado Herrera, Acacia Ramírez Ayala, José Jesús Pérez González, Beatriz Schettino Bermúdez, Rutilio Ortiz Salinas, Marcela Vazquez Francisca, Juan Gabriel Rivera Martínez
KEYWORDS:
Cow Milk, Goat Milk, Mexico, Triacylglycerols
JOURNAL NAME:
Food and Nutrition Sciences,
Vol.6 No.6,
April
16,
2015
ABSTRACT: The study of the triacylglycerols (TAG) by gas chromatography (GC) using capillary columns is an efficient technique for the determination of some characteristics of quality of fats and oils. The objective of the present study was to determine by GC the content of TAG present in fat of cow and goat milk produced in four zones of Mexico. According to criteria established in Mexican Standardization, 25 samples were obtained of 1 L of ultra-pasteurized cow milk (UHT) and 27 and 48 of raw cow and goat milk, respectively. The fat was extracted from all of the milk samples by detergent solution, and was stored at –20℃ until its analysis. The chromatographic conditions made it possible to identify and quantify TAG of 28 to 54 numbers of carbons, which were analyzed under descriptive and inferential statistical techniques. For the cow milk fat, the statistical analyses indicated significant difference (p