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Analysis on Trace Elements in Green Teas Produced by Different Tea Plantations in Zhanjiang
Author(s): 
Pages: 47-50
Year: Issue:  6
Journal: GUANGDONG TRACE ELEMENTS SCIENCE

Keyword:  原子吸收光谱茶水微量元素;
Abstract: 采用原子吸收法测定了湛江不同茶场出品的绿茶茶水中的锌、铜、铁、钙、镁、锰、镉、镍、铅的含量.结果显示,绿茶茶水中含有较丰富的多种矿物元素和人体必需的微量元素,不同茶场出品的绿茶茶水中微量元素含量有所不同,浸泡次数不同,微量元素含量不同,第一次浸泡的茶水中微量元素的含量明显大于第二次浸泡.
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