Fatty acid composition of mammary gland lipids of lactating and nonlactating buffaloes.

Biochemistry and experimental biology Pub Date : 1980-01-01

M R Prabhakar, U K Misra

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Abstract

The fatty acid composition of total lipids, triglycerides, free fatty acid pool, esterified cholesterol, phosphatidyl choline, and phosphatidyl ethanolamine of mammary tissue of lactating and nonlactating buffalo has been studied. The distribution of long chain triglycerides, free fatty acids free cholesterol and esterified cholesterol in nonlactating mammary tissue was 76.1,4.2,4 and 0.5 percent of total lipids respectively and in lactating mammary tissue it was 68.3, 1.2, 2.7 and 0.3 percent respectively. Short chain triglycerides constituting about 6.6% of total lipids and could be detected only in lactating mammary tissue. Among phospholipids, phosphatidyl choline, phosphatidyl ethanolamine and sphingomyelin constituted about 39.4, 21.5 and 15.6 percent respectively of total phospholipids in nonlactating tissue and 39.3, 22.6 and 10.7 percent respectively in lactating tissue. All the major fatty acids viz myristic, palmitic, stearic acid oleic were present in various lipid components of both lactating and nonlactating mammary tissue. Linoleic acid was present only in the lactating mammary tissue. Differences were observed in the distribution of fatty acids in lipid components of lactating and nonlactating mammary tissue.

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泌乳水牛和非泌乳水牛乳腺脂质的脂肪酸组成。

研究了泌乳水牛和非泌乳水牛乳腺组织中总脂、甘油三酯、游离脂肪酸池、酯化胆固醇、磷脂酰胆碱和磷脂酰乙醇胺的脂肪酸组成。长链甘油三酯、游离脂肪酸、游离胆固醇和酯化胆固醇在非泌乳乳腺组织中的分布分别为总脂的76.1、4.2、4%和0.5%，在泌乳乳腺组织中的分布分别为68.3、1.2、2.7和0.3%。短链甘油三酯约占总脂质的6.6%，仅在哺乳期乳腺组织中检测到。磷脂中，磷脂酰胆碱、磷脂酰乙醇胺和鞘磷脂分别占非泌乳组织总磷脂的39.4%、21.5%和15.6%，占泌乳组织总磷脂的39.3%、22.6%和10.7%。所有主要脂肪酸，即肉豆蔻酸、棕榈酸、硬脂酸油酸均存在于哺乳期和非哺乳期乳腺组织的各种脂质成分中。亚油酸仅存在于哺乳期乳腺组织中。泌乳和非泌乳乳腺组织脂质成分中脂肪酸的分布存在差异。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Biochemistry and experimental biology

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