绿茶含有多种人体必需的营养成分, 是传统的健康饮品之一。 采用ICP-AES法测定了两个等级三个品种的绿茶中Ni, Ba, Fe, Mn, Cr, Mg, Ca, Cu和Al九种元素含量, 结果表明不同品种绿茶中各种矿物质元素含量存在一定的差异, 同一品种不同等级的绿茶矿物质元素含量也有所不同。 研究结果不仅对人们日常饮茶的选择提供了一定科学依据, 同时对绿茶的品种鉴别以及等级评价提供了参考。

Green tea, a traditional healthy drink, has various necessary nutrients.A study was carried out on the contents of mineral elements such as Ni, Ba, Fe, Mn, Cr, Mg, Ca, Cu and Al in two grades of three green tea varieties by ICP-AES.The difference in contents of mineral elements between green teas was studied.The results indicated that there are different contents of mineral elements among varieties and grades of green tea.A basis for consumption, varieties identification and grades judgment was provided by the study.