摘要
用ICP-OES法对5个茶树品种所制绿茶茶汤中的12种人体必需的微量金属元素进行检测。结果显示,绿茶茶汤中含有人体所需微量金属元素9种,其含量随季节变化和品种不同差异显著。主成分分析结果为:春茶微量金属元素营养最丰富,蜀永1号、蜀永2号、渝茶一号3个品种在各季评分中均较高,在功能性茶产品开发方面具有很大的发展空间。
12 kinds of human essential trace metal elements were detected in the green tea infusion of 5 varieties.The result show, tea infusion contains 9 kinds of trace metal elements needed by human body,their contents change with season and different varieties had significant difference.Principal component analysis results： trace metal nutrition in spring tea is the most abundant.And Su Yong 1, Shu Yong 2,Yu Cha 1,the 3 varieties＇ s score are higher in each season. They have a huge development space.
出处
《南方农业》
2011年第6期6-9,共4页
South China Agriculture
基金
重庆市农业科学院基础性科研项目"不同品种茶树中微量金属种类及含量研究"
关键词
绿茶
茶汤
微量金属元素
Green Tea
Tea infusion
Trace metal elements
