描述：本文首先分离了茶叶中各主要成份；然后进一步分离出一种含有稀土镧的化合物。化学组成分析结果与茶叶中典型的脂多糖组成基本一致。|In this paper,the cellulose、greasesoluble substance、tea multiphenol、unpurified protein ate were isolated from tea,which was not sprayed by rare earth elements(REE),and the content of rare earth