The result shows that the antioxidation activities of the flavonoids extracted by three methods range as the following order: aceton extraction > ethanol extraction > water extraction.

• 结果表明,60%25丙酮提取法提取的黄酮抗氧化活性最强,其次是80%25乙醇提取的黄酮,水提取的黄酮效果最差。