Preliminary Study On Extraction Process Of Guangyanling Injection

Compared with chemical drugs,TCM has its unique advantages on low side effect and uncomparable cure function. Butwith the outdated procedures and study methods, their competitive abilities in the international market is too poor. In order to change this situation, a practive idea is to find break through in the existing drugs with scientific method.Syringa oblata Lindl. is a very promising plant as an antibacterial. It?s leaves have been made into YanLixiao Capsules which have well stood up to the clinical and market test. But consideredabout its chemical quality and clinical requirement, it should be made into Powder Inject ion.By column chromatography with silica梘el three compounds were isolated from the AcOEt extraction of its leaves. On basis of chemical and spectroscopy analysis the structures of them were established respectivelyas Syringopicroside (1) Cyclopenta [c] pyran?梒arbox?ylic acid,l?~桪梘lucopyranosyloxy)條, 4a,5,6,7,7a梙e?xahydro?梞etry?梠xo? 2?4梙ydroxyphenyl)ethyl ester, [ls