(+)-Usnic acid is a bioactive compound mainly found as a secondary metabolite in lichens.

Usnic acid is a polyphenolic compound that is found in lichens. It has been shown to have potent antioxidant and anticancer properties. Usnic acid inhibits mitochondrial respiration by binding to the complex I of the electron transport chain, thereby preventing proton pumping. This leads to a decrease in the mitochondrial membrane potential, which may result […]

(+)-Valencene is a sesquiterpene, which contains decalin framework and two methyl-bearing stereocenters. It is an aroma component of citrus fruit.