Điều chế và nghiên cứu chuẩn hóa cao đặc từ dịch chiết cồn của bài thuốc chữa thấp khớp phong đan

Objectives: Preparation extractum from ethanol 40 percent extract and study of standard it. Subjects: The remedy Phong dan consists of 13 herbs. Methods: Preparation extractum with hot extract method using ethanol 40 percent. Qualitative and quantitative main phytochemical grout's with chemical method. Results: Formulated 193,74 gram extractum from 10 scales of the remedy Phong Dan. Weight loss from wet to dryisI7 percent. Saponin, alkaloids, flavonoids, acid amine, reducing sugar, and polysaccharide areconstituents of the extratum Phong Dan. The extractum contains 0,3019 +/- 0,04 percent Z-ligustilide(a =0,05).Conciusion: Formulatedthe extractum of the remedy Phong Dan standards. The Vietnamese Pharmacopoea IV. The extractum containsnotless than 0,26 percent Z ligustilide.