四川名茶矿质元素含量研究

Studies on the mineral elements content in the famous tea of Sichuan

分析了四川名茶矿质元素含量及特点。在所分析的18种元素中，四川名茶K、P、S、Ca、Mg元素含量较高（〉1500mg／kg），Ba、Cr、V、Co、Se含量较低（〈10mg／kg）；与普通绿茶相比，四川名茶含有较高的K、Zn、P、Na、Ni、Cu、S、Se、Co元素，其高幅为0．38％-115．65％，而Mg、Mn、Al、Ca、V、Rb、Fe、Cr元素则为7．2%-46．67％；红岩迎春、永川秀芽和膏城雪芽名茶含有较多的矿质元素，雨城云雾、雨前茶则相对较少。

In this study,the mineral elements content and characteristics of the famous tea in Sichuan province were mainly analyzed. The resuits showed that there were higher contents of K,P,S,Ca,Mg in the famous tea of Sichuan （ 〉 1500 mg/kg） ,and less contents of Ba,Cr, V,Co,Se in it（ 〈 10 mg/kg）. The dements content of K,Zn,P,Na,Ni,Cu,S,Se,Co in the famous tea were the range of 0.38 % - 115.65 % higher than that in ordinary green teas of Sichuan, and the contents of Mg, Mn,Al, Ca, Ba, V, Rb, Fe, Cr in the former were the range of 7. 32 % - 46.67 % less than that in the latter. There were more mineral dements content in the famous tea Hongyanyingchun, Yongchuanxiuya and Qingchengxueya, but less mineral elements content in the famous tea Yuchengyunwu, Yuqian tea.