Egg yolk triglycerides during development of the domestic chicken |
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Authors: | L M Orensanz A Ribera F J Corzo |
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Institution: | Department of Biochemistry, Faculty of Biology, Universidad Complutense de Madrid, Madrid-3, Spain |
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Abstract: | The triglycerides isolated from egg yolk lipids of eggs at various stages of incubation were fractionated according to the degree of unsaturation by argentation chromatography, and individual fractions were analyzed for their fatty acids by gas liquid chromatography. The proportions of the various fractions were constant during development. Fatty acid composition of the fractions were constant also. Fractions with one saturated fatty acid and two monoenoic fatty acids (SM2) constituted over 40% of the total triglyceride. Palmitic acid constituted over 30%, and oleic acid over 45% of the fatty acid of total triglycerides. It is suggested that during development of thick embryo there is no selective utilization of the egg yolk triglycerides. |
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