液态乳制品中维生素和矿物质成分分析和比较研究  

Quality Evaluation and Comparison of Vitamin and Mineralin Liquid Dairy Products

作　　者：孔凡华 杨彦荣 徐卓阳 白沙沙[1] 徐佳佳[1] 崔亚娟[1] 刘彦霞 KONG Fan-hua;YANG Yan-rong;XU Zhuo-yang;BAI Sha-sha;XU Jia-jia;CUI Ya-juan;LIU Yan-xia(Beijing Institute of Nutrition Resources Co.,Ltd.,Beijing 100069,China;College of Biochemical Engineering,Beijing Union Univeersity,Beijing 100191,China)

机构地区：[1]北京市营养源研究所有限公司,北京100069 [2]北京联合大学生物化学工程学院,北京100191

出　　处：《中国食物与营养》2023年第9期50-55,共6页Food and Nutrition in China

基　　金：2020年北京高等学校高水平人才交叉培养“实培计划”毕业设计(科研类)“特色乳及制品中功能性蛋白组成与结构研究”;河北省重点研发计划项目(项目编号:20327102D)。

摘　　要：目的:测定液态乳制品中维生素和矿物质的含量,为消费者对乳制品的选择提供理论依据。方法:按照现行有效的国家标准方法测定28种液态乳制品中14种维生素和9种矿物质的含量。结果与结论:28种液态乳中含量最多的维生素是胆碱,其次是泛酸和烟酸,鲜牛奶和纯牛奶中维生素A、维生素E、维生素B_(12)的含量高于风味发酵乳和风味酸乳;鲜牛奶和纯牛奶中维生素B_(2)、维生素B_(6)、烟酸和泛酸的平均含量与风味发酵乳和风味酸乳的平均含量相近,鲜牛奶和纯牛奶中叶酸和胆碱的平均含量低于风味发酵乳和风味酸乳。28种液态乳中矿物质含量较高的是钾、钙、磷、钠、镁,鲜牛奶和纯牛奶中矿物质平均含量高于风味发酵乳和风味酸乳。Objective To determine the contents of vitamins and minerals in liquid dairy products and provide theoretical basis for consumers'choice of dairy products.Method The contents of 14 vitamins and 9 minerals in 28 liquid dairy products were determined according to the current effective national standard methods.Result and Conclusion Choline was the most abundant vitamin in 28 kinds of liquid milk,followed by pantothenic acid and niacin.The contents of vitamin A,vitamin E and vitamin B_(12) in fresh milk and pure milk were higher than those in flavor fermented milk and flavor yoghurt.The average contents of vitamin B_(2),vitamin B_(6),niacin and pantothenic acid in fresh milk and pure milk were similar to those in flavor fermented milk and flavor yoghurt.The average contents of folic acid and choline in fresh milk and pure milk were lower than those in flavor fermented milk and flavor yoghurt.Potassium,calcium,phosphorus,sodium and magnesium were higher in 28 kinds of liquid milk.The average content of minerals in fresh milk and pure milk was higher than that in flavor fermented milk and flavor sour milk.

关 键 词：液态乳制品 维生素 矿物质 

分 类 号：TS252.5[轻工技术与工程—农产品加工及贮藏工程]