[Chinese name] ursolic acid
[English name] Ursolic acid
[alias] Wu Suosuan, Wusu acid
[chemistry name] 3-Hydroxy-12-ursen-28-oic acid
[molecular formula] C30H48O3
[molecular weight] 456.68
[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℃. 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.
[ingredient classification] five link three tie kind of compound
[pharmacological action] the ursolic acid is exists in the natural plant one kind of three tie kind of compound, has, the anti-SARS, antibacterial, antidiabetic, the anti-ulcer, to reduce the blood sugar calmly and so on many kinds of biology effects, the ursolic acid also has the obvious oxidation resistance function, thus widely serves as the medicine and cosmetics raw material.
1 guarantees the liver, anti-hepatitis function, 2 anti-tumor functions, 3 oxidation resistances, 4 antibacterial, anti-SARS and anti-virus, 5 fall the blood fats, the anti-atherosclerosis, to reduce the blood sugar the function, 6 pair of AIDS virus's inhibitory action, 7 antidiabetics, anti-ulcer, 8 calm, stabilization, 9 enhancement immunologic function function.
[untoward effect] nearly not untoward effect
[use] this may take the medicine and cosmetics raw material, food emulsifier.
[ingredient originates] the ursolic acid to drift 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.