was not obvious. MTT colorimetry was used to determine the inhibitation of tempe and soybean isoflavones extraction whose purity was 35% for the Hela,SP2/0 and CEF cells, calculated the inhibitation ratio.

• 采用MTT 比色法测定纯化的丹贝及大豆异黄酮提取物对SP2/0、Hela 和CEF 细胞株的抑制作用,研究异黄酮对肿瘤细胞和正常细胞的抑制作用。