There was a significant difference between ripened tea rare earth elements and raw tea's from the same sources, which affected some ripened tea quality at last.
2
因此，普洱生茶和熟茶对小鼠肝细胞的毒性极小或无，细胞毒理学研究表明饮用普洱茶是安全的。
The cytotoxicity of two samples was very small or not. Cells toxicity test completely applied to safety evaluation of Pu'er tea.
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