Ursolic acid, also known as ursolic acid and ursolic acid, is a pentacyclic triterpenoid compound extracted from bearberry, an evergreen vine shrub of the Rhododendron family. It has a special smell and is large and shiny in absolute ethanol. Prism crystals and needle crystals are as fine as hairs in dilute ethanol.
Ursolic acid has a variety of biological effects such as sedation, anti-inflammatory, antibacterial, anti-diabetic, anti-ulcer, and lowering blood sugar. In addition, ursolic acid has an obvious antioxidant function and is a strong antioxidant.
The antioxidant effect of ursolic acid has a positive effect on the human body’s anti-aging, skin freckle removal, and pigment removal, so it is widely used as Medicine and natural whitening cosmetics material. Experiments have shown that ursolic acid can inhibit 5-lipoxygenase and cyclooxygenase activities during the metabolism of arachidonic acid, and prevent the production of prostaglandins and leukotrienes. This may be ursolic acid Inhibit inflammation and inhibit the cause of lipid peroxides.