方法：采用连续回流提取法和超声波提取法提取膜荚黄芪叶中的皂苷、黄酮、多糖类成分，比色法测定其含量。
Methods Using continuum circumfluence and ultrasound to extract astragaloside, flavonoids and amylose from the leaves of astragalus and determine the quantity with colorimetry.
目的比较浸渍法、一般回流提取法、连续回流法、超声提取法、复合方法提取黄连中盐酸小檗碱的提取率。
Objective to compare impregnation, extraction back to normal, continuous circumfluence, ultrasonic extraction, complex method of extraction of berberine hydrochloride in the Chinese extraction rate.
应用推荐