| ≥1 piece |
Plant Origin: Usnea diffracta Vain. And Usnea longissima Ach.
Part Used: Dry lichen body
Specification: Usnic acid 98% by HPLC
Appearance: Yellow crystalline powder
CAS No.: 125-46-2
Molecular Formula: C18H16O7
Molecular Weight: 344.315
Melting Point: 192℃~204℃
Specific Optical Rotation: +495°~+ 497° (in CHCl3)
Function:
Usnic acid is extracted from Usnea, Usnea, also known as old mans beard, is not a plant but a lichena symbiotic relationship between an algae and a fungus. The entire lichen is used medicinally. Usnea looks like long, fuzzy strings hanging from trees in the forests.
In natural remedies, especially in the veterinary medicine, Usnic Acid is used in powders and ointments for the treatment of infections of the skin. Usnic acid as a pure substance has been formulated in creams, toothpaste, mouthwash, deodorants and sunscreen products, in some cases as an active principle, in others as a preservative. Usnic Acid is able to enhance human immunity, and also have good curative effects for vaginitis and oral cavity ulcer disease.