Tea also contains catechins, including EGCG, which act like a cleanup crew against free radicals.
茶还含有儿茶酚(益多酚便是其中之一), 这种物质会像一支清理大军一样消除自由基.
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Conclusion Excellent precision is obtained by thin layer chromatography to determine the contents of esterified catechins.
结论采用薄层色谱扫描的方法测定酯型儿茶素的含量具有较高的测量精度.
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