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The Analysis of Amino Acid Compositions between Two Types of Fermented Milk in Tibet
Author(s): YANG Jie, XUE Jian-gang, CHEN Yong-fu, ZHANG He-ping
Pages: 50-
53
Year: 2013
Issue:
8
Journal: China Dairy Cattle
Keyword: 氨基酸; 高效液相色谱法; 发酵乳; 西藏;
Abstract: 本试验应用柱前衍生-反相高效液相色谱法,对西藏地区传统发酵的29份酸牦牛乳样品和15份酸黄牛乳样品的氨基酸含量进行了检测分析.共检测出15种氨基酸,酸牦牛乳的氨基酸总量(856.60±321.77mmol/L)高于酸黄牛乳(223.40±61.58mmol/L).两种传统发酵乳中酸牦牛乳的Phe、Tyr、Val、Ile、Lys、His、Asp、Ser、Gly、Arg、Ala、Cys含量显著高于酸黄牛乳.结果表明,酸牦牛乳中的氨基酸营养优于酸黄牛乳,是西藏高原牧民的主要氨基酸摄取来源.
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