CHANGES IN THE CONCENTRATION OF FATTY ACIDS FROM THE NONPOLAR PHOSPHO- AND GLYCOLIPIDS DURING STORAGE OF INTACT LAMB MUSCLES

Authors


  • 1

    General Foods Corp., Tarrytown. NY 10591.

  • Florida Agricultural Experiment Stations Journal Series No. 6138. Presented at the 36th Annual Meeting of the Institute of Food Technologists, Anaheim, June 6–9, 1976.

  • Florida Agricultural Experiment Stations Journal Series No. 6138.

ABSTRACT

Lean lamb muscle tissue from the longissimus and semitendinosus was removed from intact chilled carcasses at 0, 1, 4, 7 and 9 days postmortem. Following separation of the lipids by silicic acid column chromatography, fatty acid methyl esters of the nonpolar, phospho- and glycolipid fractions were identified by gas chromatography. Lamb longissimus had significantly (P < 0.05) more nonpolar lipid percentage than the semitendinosus, while phospho- and glycolipid content was similar (P > 0.05). Analysis of variance of the data based on grams fatty acid per 100g tissue resulted in more significant differences between muscles and storage periods than when the data were analyzed on a percent of total fatty acids.

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