国产市售中老年羊乳粉营养素含量分析  

Nutrient analysis of domestic goat milk powder for middle-aged and elderly people

作　　者：钱文文 辛宝 任晓梅 马诚 万红昌 张萌 李晨 李宏 邓欣怡 赵嘉仪 白亚亚 胡美枝 QIAN Wenwen;XIN Bao;REN Xiaomei;MA Cheng;WAN Hongchang;ZHANG Meng;LI Chen;LI Hong;DENG Xinyi;ZHAO Jiayi;BAI Yaya;HU Meizhi(School of Public Health,Shaanxi University of Chinese Medicine,Xianyang 712046,China;Shaanxi Yatai Dairy Co.Ltd.,Xianyang 713701,China)

机构地区：[1]陕西中医药大学公共卫生学院,陕西咸阳712046 [2]陕西雅泰乳业有限公司,陕西咸阳713701

出　　处：《食品与发酵工业》2022年第20期272-278,共7页Food and Fermentation Industries

基　　金：陕西中医药大学慢病食疗营养与养生创新团队项目(2019-py01);陕西中医药大学科研基金(202210763)。

摘　　要：以82款市售国产中老年羊乳粉为研究对象,从产品营养素标示率、强化率、含量分布、每日羊乳粉摄入提供的能量和营养素贡献率、配料等方面进行系统分析,为羊乳粉配方设计积累资料。研究发现,市售中老年羊乳粉维生素A、维生素D、维生素E、维生素C、钙、铁、锌、硒、膳食纤维强化率在52.44%~96.34%。采用最大值、最小值、上下四分位数(P25和P75)及中位数(P50)描述能量及营养素的分布情况,发现不同乳粉中部分营养素含量差异大。通过每日羊乳粉摄入量所提供能量及营养素占中国居民膳食营养素参考摄入量的比例评估营养素贡献率,维生素A、维生素D、维生素E、维生素B_(6)、叶酸、钙、铁的贡献率相对较高,占各营养素每日目标值的30%~44%。产品通过添加新食品原料、食药物质、膳食纤维、益生菌及特殊配料等突出产品定位与卖点。羊乳粉作为中老年人重要的膳食来源,企业应强化配方设计的合理性与科学性,帮助公众树立正确的消费观。Taking 82 domestic goat milk powder sold in the market for middle-aged and elderly people as the research object,this study made a systematic analysis from the aspects of nutrient labelling rate,fortification rate,content distribution,the contribution rate of energy and nutrients provided by daily intake of goat milk powder,and ingredients to accumulate data for the formula design of goat milk powder.This study found that the fortification rates of vitamin A,vitamin D,vitamin E,vitamin C,calcium,iron,zinc,selenium,and dietary fiber in the commercial goat milk powder for middle-aged and elderly people were 52.44%-96.34%.In this paper,the maximum,minimum,upper quartile(P25),lower quartile(P75),and median(P50)were used to describe the distribution of energy and nutrients.Results showed that the content of some nutrients in different brands of goat milk powder varied greatly.The contribution rate of nutrients was evaluated by the ratio of energy and nutrients provided by daily intake of goat milk powder to the Chinese dietary reference intakes(DRls)for middle-aged and elderly people.Results showed that the contribution rate of vitamin A,vitamin D,vitamin E,vitamin B_(6),folic acid,calcium,and iron were relatively high,accounting for 30%-44%of the daily target values of each nutrient.The product highlighted its market positioning and selling points by adding new resources food,edible Chinese herbs,dietary fiber,probiotics,and special ingredients.As an important dietary source for middle-aged and elderly people,dairy enterprises should strengthen the reasonableness and scientific character of milk powder formula design,they also should help the public to establish a correct consumption view.

关 键 词：中老年羊乳粉 营养素含量 膳食营养素参考摄入量 贡献率 卖点分析 

分 类 号：TS252.7[轻工技术与工程—农产品加工及贮藏工程]