Based on the characteristics of Phellodendron Bark,it discussed the extraction of berberine hydrochloride by leaching process of milk of lime.

• 根据原料黄柏的特性,采用碱水渗漉法浸取工艺来提取盐酸黄连素,使浸取速度和浸取率都有较大提高,从而降低了原料消耗,增加了经济效益。