High purity amygdalin was obtained from apricot kernel by the process of enzyme destruction, defatting, solvents extraction and recrystallization.

苦仁经灭酶、脱脂、萃取、重结,高纯苦仁苷。

This product is made by such process as dehydration, defatting and low-temperature drying of pig's thyroid gland and is grey yellow powder.

本甲状腺体经脱水、脱脂、低温干燥，为灰黄色粉末。