外源锌对茶叶锌积累及主要化学品质成分的影响  

The Effects of Exogenous Zinc on Zinc Accumulation and Main Chemical Qualities of Tea Leaves

作　　者：段小华[1] 陈淑芳[1] 

机构地区：[1]江西师范大学生命科学学院,江西省亚热带植物资源保护与利用重点实验室,江西南昌330022

出　　处：《江西师范大学学报（自然科学版）》2017年第4期441-445,共5页Journal of Jiangxi Normal University(Natural Science Edition)

基　　金：江西省自然科学基金(20132BAB204027)资助项目

摘　　要：采用沙培方法,通过在培养液中添加不同质量浓度的锌(0.0,1.0,2.0,3.0,4.0,5.0 mg·L^(-1)),研究锌对茶叶锌积累及主要化学品质成分的影响.结果表明:在培养液中添加适量的锌(2.0,3.0,4.0 mg·L^(-1))可提高茶叶中锌含量以及可溶性糖、氨基酸、茶多酚、黄酮类化合物和咖啡碱含量,且锌处理的最佳质量浓度为3.0 mg·L^(-1).结果进一步表明添加适量的锌可提高茶叶的化学品质.The effects of zinc on zinc accumulation and main chemical qualities of tea leaves are studied by sand culture method and the tea seedlings are treated with different concentrations of zinc( 0. 0,1. 0,2. 0,3. 0,4. 0,5. 0 mg·L^(-1)). The results showed that the suitable concentration of zinc( 2. 0,3. 0,4. 0 mg·L^(-1)) can increase zinc content and improve the contents of total soluble sugar,amino acid,tea polyphenols,flavonoids and caffeine of tea leaves with the best treatment concentration as 3. 0 mg·L^(-1). The results further suggested that suitable zinc can improve chemical qualities of tea leaves.

关 键 词：茶叶 锌 化学品质 

分 类 号：Q945.1[生物学—植物学]