Ursolic acid

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[alias] Wu Suosuan, Wusu acid ¡¡[systematic name] 3-Hydroxy-12-ursen-28-oic acid
[molecular formula] C30H48O3 [molecular weight] 456.68
[C A S] 77-52-1
[origin] The ursolic acid drifts away the form or combines to form the glucoside form with the sugar to distribute in approximately 7 branch 46 is 62 kind of plants. Is mainly the fragrant flower branch plant female loyal (Ligustrum lucidum Ait.) the leaf, cuckoo medicine branch plant bear fruit Actostaphylos uva-ursi (L.) Spreng, rose family plant loquat Eriobotrya japonica (Thunb.) Lindl. Leaf, scrophulariaceae plant paulownia (Paulownia tomentosa (Thunb.) Steud. ) leaf, orthodon plant prunella vulgaris (Prunella vulgaris L.) entire grass, aquifoliaceae holly iron Chinese ilex (Ilex rotunda Thunb.) leaf and so on.
[specification] 10%,20%,25%,90%,95%,98% ¡¡¡¡[physical property] The high content ursolic acid to have the gloss prism shape (absolute ethyl alcohol) or the thin galley proof acicular crystallization (thin ethyl alcohol), the low content ursolic acid for yellowish brown or the Huang Lvse powder, has the special smell, is exists in the natural plant one kind of five link three tie kind of compound. , mp283~288¡æ. Easy to dissolve in the acetone, the pyridine, may dissolve in the hot glacial acetic acid and 2% sodium hydroxide ethyl alcohol solution, does not dissolve in the water and the benzine.
Product explanation: The ursolic acid is exists in the natural plant one kind of three tie kind of compound.
other, the ursolic acid has the obvious anti-oxygen function, thus widely serves as the medicine and cosmetics raw material.¡¡
pharmacological action: The ursolic acid also names Wu Suosuan, the Wusu acid, is three tie kind of compound.¡¡
development direction: The ursolic acid can suppress the HL-60 cell multiplication obviously, may induce it to perish weakly; Can make mouse's macrophage swallow function obviously to enhance. In vivo experiment proof, the ursolic acid may strengthen organism immunologic function obviously.

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