chinese name: jue mingzi botanial name: cassia obtusifdia l. english name: cassia seed [origin habitat ]: anhui [chemical composition ]: big one conclune authraquinine derivdtives 1.2% , emodin , physion , aloe-emodin , chrysophanol , obtusifolin , obtasin , chryso-obtusin , aurantio-obtusin , rhein ,naphtho-r-pyrone , cassiaside , nor-rubrofusarin-6-β-gluxoside . small one conlune authraquinone derivdtives 1.1% , no obtusifolin , other aglycines and glyxosides are simlar to big one . in addition , chrysophanol-1-β-gentiobiside , chrysophanic acid-9-anthrone , rubrofusarin , nor-rubrofusarin , rubrofusarin-6-β-gentiobiside , toralactone , torachrysone , vitamina. [p harmacological action ]: 1. to low blood pressure . 2. to low lipid . 3. to resist bacteria . 4. to shrink uterine andoxytocin .