Ursolic acid is derived from loquat leaf extract, rosemary extract. It is also found in a variety of plants, such as the stem leaf of persimmon and nepeta glechoma,leaves of bearberry trees, leaves and fruits of mistletoe and pomegranate,etc., all contain ursolic acid. loquat leaf extract / rosemary extract: content 25% yellow-green powder, 50% yellow powder,90%-98% white powder. 【Physicochemical property】 The high content of ursolic acid is lustrous prismatic (anhydrous ethanol) or fine hairy needle crystal (diluted ethanol), low content is brown yellow or yellow green powder, with special odor, it is one in natural plants,a pentacyclic triterpenoid. Soluble in dioxane, pyridine, soluble in methanol, ethanol, butanol, butanone, slightly soluble in acetone, slightly soluble in benzene, chloroform, ether, insoluble in water and petroleum ether.

CAS NO:77-52-1

EC NO:201-034-0

Molecular Formula:C₃₀H₄₇O₃

Molecular Weight:455.6929

Synonyms:;3beta-Hydroxyurs-12-en-28-oic acid;(3beta)-3-hydroxyurs-12-en-28-oic acid;(3beta,5xi,18alpha)-3-hydroxyurs-12-en-28-oic acid;(3beta)-3-hydroxyurs-12-en-28-oate;

Molecular Structure: