The different solvent extracts of same Chinese medicinal herb had different antioxidant activities. Methanol extracts generally demonstrated stronger antioxidant power and higher total phenolics content than the petroleum ether, ethyl acetate, or water extracts. 同一种中草药的不同溶剂提取物显示出不同的抗氧化活性,通常甲醇提取物比石油醚、乙酸乙酯和水提取物有更强的抗氧化活性和更高的总酚含量。