Medicago sativa contains flavonoids, saponins, coumarins, sterols, monoterpenes, and organic acids, with flavonoids being the main active constituents. Flavonoids naturally contain a 2‐phenylchromone structure with antioxidant, free radical scavenging, cardiovascular, and trace estrogen‐like effects.

中文翻译：

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超滤-液相色谱结合逐步流速逆流色谱法快速从紫花苜蓿中快速筛选和纯化潜在抑制剂

紫花苜蓿含有类黄酮，皂苷，香豆素，固醇，单萜和有机酸，类黄酮是主要的活性成分。类黄酮天然含有2-苯基色酮结构，具有抗氧化剂，清除自由基，心血管和类似雌激素的作用。