【Synonym】 Oleanic Acid

【Source】 extraction is Cucurbitaceae beetles Lin

【Molecular formula】 C30H48O3

【Molecular weight】 456.7

【Physical properties 】 white needle crystal (ethanol); odorless, tasteless and soluble in methanol, ethanol, benzene, ethyl ether, acetone and chloroform, practically insoluble in water, the acid is unstable. Melting point: 308 ℃ ~ 310 ℃, [α] 20D +68 ° to +78 ° (C = 0.15, chloroform). (ethanol); odorless, tasteless and soluble in methanol, ethanol, benzene, ethyl ether, acetone and chloroform, practically insoluble in water, the acid is unstable. Melting point: 308 ℃ ~ 310 ℃, [α] 20D +68 ° to +78 ° (C = 0.15, chloroform).

【Composition】 pentacyclic triterpenoids Categories

【Specification】 95%,> 98%.

【Content】 taking this product about 0.15g, said precision set, plus ethanol 20ml, benzene 5ml, micro heat Shirong Jie, add 8 drops of phenolphthalein indicator solution with 0.05mol / L potassium hydrogen production from ethanol droplets set, and do blank test correction, which was (per lml0.05mol / L ethanol, hydrogen hydroxide solution is equivalent to 22.84mg of C30H48O3).

 【Pharmacological effect】  oleanolic acid reducing enzyme the main with Liver and promote liver regeneration, anti-inflammatory, cardiac, diuretic, anti-tumor effects, also reducing blood sugar, lowering blood pressure, sedative effect, is the development of liver disease treatment and hypoglycemic drugs such as active ingredients.