Ursolic acid

[Product name] Ursolic acid [English name]
[Alias] Ursolic acid, ursolic acid
[Chemical name]
[Molecular formula and molecular weight],
[No.]
[Source] Ursolic acid is distributed in plants of about 100 families and genus species in free form or in the form of glycosides combined with sugar. Mainly include leaves of Ligustrum lucidum of Oleaceae family, bearberry of Rhododendron family, loquat leaves of Rosaceae family, Paulownia tomentosa leaves of Scrophulariaceae family, whole plant of Prunella vulgaris of Lamiaceae family, leaves of Ilex genus of Ilex family, etc. .
[Physical properties] Ursolic acid is a shiny prismatic crystal (absolute ethanol) or fine hair-like needle crystals (dilute ethanol) when the content is high and is brown or yellow-green powder when the content is dilute ethanol. It has a special odor and is present. A pentacyclic triterpenoid compound found in natural plants. Melting point ~℃ Optical rotation []+/ potassium hydroxide in alcohol solution). At ℃, milligrams can be dissolved in ml of ethanol, and milligrams can be dissolved in ml of boiling water. It is easily soluble in methanol and pyridine, but insoluble in water and petroleum ether.
[Specifications] ~
[Pharmacological and medicinal effects] It has various biological effects such as sedative, anti-inflammatory, antibacterial, anti-diabetic, anti-ulcer, lowering blood sugar, etc. Ursolic acid also has obvious antioxidant functions. , and therefore are widely used as pharmaceutical and cosmetic raw materials.