四川名茶矿质元素含量研究

Study of Mineral Elements Content of the Famous Tea in 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(＞1500 10^(-6)),Ba、Cr、V、Co、Se含量较低(＜1010^(-6));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、Ba、V、Rb、Fe、Cr元素则为7．32%~46,67%;红岩迎春、永川秀芽和青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 analysed. The results showed that there were higher contents of K、 P、 S、 Ca、 Mg、 in the famous tea of Sichuan (>1500 10-6,) and less contents of Ba、 Cr、 V、 Co、 Se in it(<10 10-6); The elements 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 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 in the latter; There were more mineral elements content in the famous tea Hong Yan Ying Chun、 Yong Chuan Xiu Ya and Qing Cheng Xue Ya, but less mineral elements content in the famous tea Yu Cheng Yun Wu、 Yu Qian Tea.