Top quality Usnic acid CAS NO.125-46-2

usnic acid is a naturally occurring dibenzofuran derivative found in several lichen species. it was first isolated by german scientist w. knop in 1844 and first synthesized between 1933-1937 by curd and robertson.usnic acid was identified in many genera of lichens including usnea, cladonia, lecanora, ramalina, evernia, parmelia and alectoria. 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.

functions:

it is a kind of spectrum antibiotic,inhibit most gram-positive bacteria.

usnic acid also has inhibition function to the trichomonas vaginalis.

it has a certain curative effect to cure cervical inflammation, perineal rupture, dysentery and skin disease.

it is used as an antibacteria agent in cosmetics and ointments to prevent skin infection. it is also used in formulating deodorant, mouth-care products.

applications:

medicine and health product,food additive and beverage.