Patented pharmaceutical composition and preparation method for diabetes

] the invention "a drug composition for diabetes treatment and its preparation method" completed by Shanghai Institute of medicine, Chinese Academy of Sciences has obtained the national invention patent license (Patent No.: zl200510110763.2) The invention discloses a pharmaceutical composition for treating diabetes or diabetic nephropathy and a preparation method thereof The medicine composition is made of the extract of Chinese medicine phellodendron, Anemarrhena and cinnamon as the effective medicine group It contains alkaloids of Phellodendron amurense, glycosides of Anemarrhena asphodeloides, essential oil of cinnamon and polyphenols The pharmaceutical composition of the invention can be extracted from the single medicinal materials of phellodendron, Anemarrhena and cinnamon respectively and then mixed, or the medicinal materials can be extracted together The preparation method includes ethanol extraction, macroporous resin adsorption, elution, concentration, drying and other steps According to the statistical data of the World Health Organization for several years, diabetes mellitus and its complications have become a serious and difficult disease which is next only to cancer and cardiovascular and cerebrovascular diseases At present, there are three main types of diabetes drugs: biological insulin, chemical sulfonylurea, biguanide and Chinese patent medicine Insulin preparation is expensive and difficult to be popularized; although the chemical medicine has obvious hypoglycemic effect, it has more toxic and side effects on liver, kidney, etc., and it is also easy to lead to aggravation of cardiovascular complications Although Chinese patent medicine has a certain therapeutic effect, the current clinical use is mostly crude extract preparation or prescription decoction prepared by doctors It lacks modern Chinese medicine with significant efficacy, clear effective ingredients and mechanism of action, controllable quality and advanced preparation.