Ursolic acid CAS NO.77-52-1

90%,95%,98% Ursolic acid free and sugar form or the form of glycosides into scattered around 7 Section 46 is 62 kinds of plants. Mainly plant privet Oleaceae (Ligustrum lucidum Ait.) Leaves, rhododen…

90%,95%,98% Ursolic acid free and sugar form or the form of glycosides into scattered around 7 Section 46 is 62 kinds of plants. Mainly plant privet Oleaceae (Ligustrum lucidum Ait.) Leaves, rhododendron plant bears fruit Pharmaceutical Actostaphylos uva-ursi (L.) Spreng, Rosaceae plant loquat Eriobotrya japonica (Thunb.) Lindl.'s Leaves, High content of ursolic acid for the prism-like luster (ethanol) or fine needle-like crystal (dilute ethanol), low content of ursolic acid as a brown-yellow or yellow-green powder, has a special smell, is present in natural plant A pentacyclic triterpenes. , mp283 ~ 288 ℃. Soluble in acetone, pyridine, glacial acetic acid can be dissolved in hot ethanol and 2% sodium hydroxide solution, insoluble in water and petroleum ether