Item name: (+)-Usniacin
CAS: 125-46-2
Molecular formula: C18H16O7
Molecular Weight: 344.32
Alias: usnic acid; (+)-Usnic acid; (+)-Usnein; (+)-Usniacin; D-2,6-Diacetyl-7,9-dihydroxy-8, 9b-dimethyl-1, 3 (2H , 9bH) - Dibenzofurandione;
Appearance: yellow crystalline powder.
Melting point: 192-204 ° C
Optical rotation: [α] D20 +495 ° ~ 497 ° (C = 1, in of CHCl3)
Stability: Normally stable.
(+)-Usniacin is a naturally occurring dibenzofuran derivative found in several lichen species.Although it is generally believed that usnic acid is exclusively restricted to lichens, in a few unconfirmed isolated cases the compound was found in kombucha tea and non-lichenized ascomycetes.
At normal conditions, usnic acid is a bitter, yellow, solid substance. It is known to occur in nature in both the d- and l-forms as well as a racemic mixture.
(+)-Usniacin is from natural Usnea. It is used to stop bleeding, anti-bacterial, anti-inflammatory, wound healing, in addition to the plaque, enhance immunity, oral ulcer disease, and vaginitis have a good effect. Often as toothpaste and cosmetics additive.Usnic acid is extracted from Usnea. It is used as an antibacteria agnet in cosmetics and ointments to prevent skin infection. It is also used in formulating deodorant, mouth-care products.
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