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Usnic

   Also found in: Encyclopedia, Wikipedia 0.02 sec.
Us´nic
a.1.(Chem.) Pertaining to, or designating, a complex acid obtained, as a yellow crystalline substance, from certain genera of lichens (Usnea, Parmelia, etc.).


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Usnea , a common lichen, is especially rich in a powerful antibacterial bitter called usnic acid (also usinic acid).
There is a group of organisms in kombucha that contain usnic acid, which has shown possibilities of being responsible for the antibiotic activity that kombucha provides.
Additionally, the following characteristic plant substances were tested: usnic acid, carnosol, carnosic acid, ursolic acid, oleanolic acid, harpagoside, boswellic acid and gentiopicroside.
 
 
 
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