毛缕梅属

Homobutein (3-O-Methylbutein) 是 HDAC 和 NF-κB 的双重抑制剂，IC50 分别为 190 和 38 μM。 Homobutein 是一种铁螯合剂，具有抗癌、抗炎、抗寄生虫和抗氧化活性。

4-O-Methylbutein (2',3,4'-trihydroxy-4-methoxychalcone) may have anti-inflammation activity, it is a potent heme oxygenase-1 (HO-1) inducer, the upregulation of HO-1 has proven to be a useful tool for fighting inflammation.