Crude soluble in ethanol, using active carbon used to re-crystallization, in Bergenini finished Health medicine dollars and the yield 1.5%. purposes : antitussive expectorant drug.

• 粗品溶于乙醇 ，用活性炭脱色，重结晶，即得岩白菜素成品，以生药计，收率1.；5%25。用途：镇咳祛痰药。用于治疗慢性支气管炎。