Usnea Extract  (+)-Usnic Acid


Published date: Oct 17, 2018   Tags: Usnic acid usnea extract 7562-61-0 antibiotic

Usnic acid is uniquely found in lichens, It is a potent antibiotic effective against Gram-positive bacterias and other batcterias. It also exhibits antiviral, antiprotozoal, antimitotic, anti-inflammatory and analgesic activity. Other characteristics, like ultraviolet absorption, preserving properties, antigrowth, antiherbivore and anti-insect properties, have also been demonstrated.

CAS Number:



2, 6- diacetyl- 1, 2, 3, 9b- tetrahydro- 7, 9- dihydroxy- 8, 9b- dimethyldibenzofuran- 1, 3- dione



Molecular Structure:

Molecular Formula:


Molecular Weight:



yellow crystalline substance

Purity by HPLC:

Minimum 98%


1kg/Al bag with inner plastic bag


The product is stable stored at room temperature and in an airtight, light resistant area for at least two years.


Yixin Usnic Acid is extracted from Usnea, Usnea looks like long, fuzzy strings hanging from forest trees and rocks without any contamination. In the whole production process, only extraction and purification are involved, it is 100% from nature.

Stronger Anti-bacteria with Lower Toxicity

Against certain bacteria, Usnic acid is stronger than antibiotic penicillin. Yixin natural Usnic Acid demonstrates stronger anti-bacteria effect in comparison with synthetic source, in the meantime, gave excellent lower results of cytotoxicity.

GMP System

Yixin Usnic acid facility follows GMP guidelines to ensure the traceability and consistence. It has been frequently audited by international companies, DMF is available.


Creams, powers, toothpaste, mouthwash, deodorants hair shampoos and sunscreen products.

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Zhejiang, 321100, China
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