Disclosed is a composition comprising one or more acids and a non-heated cashew nut shell, liquid, wherein decarboxylation of an anacardic acid in the non-heated cashew nut is inhibited by the one or more acids selected from the group consisting of: benzoic acid, pyrophosphoric acid, glycerophosphoric acid, glutamic acid, formic acid, a malic acid, a citric acid, a succinic acid, a tartaric acid, a phosphoric acid, a nitric acid, a hydrochloric acid, an oxalic acid, a malonic acid, a glutaric acid, an adipic acid, a fumaric acid, a maleic acid, a phthalic acid, an isophthalic acid, a phytic acid, a sulphuric acid, a terephthalic acid, a lactic acid, a sulfamic acid, a hydroxyacetic acid, a phosphonic acid, and a gluconic acid, wherein an amount of the acid is 0.5 wt% or more with respect to the anacardic acid.
