4-Hydroxyderricin, the major active ingredients of Angelica keiskei Koidzumi, is a potent selective MAO-B inhibitor (IC50: 3.43 μM). It also mildly inhibits DBH (dopamine β-hydroxylase) activity and has antidepressant activity.

55912-03-3

C21H22O4

338.4

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years