The invention addresses a new synthetic method, in a single reaction or in a double reaction, of compositions for animal feeding which comprise organic acid salts selected from formic, lactic, propionic, butyric, valerianic, lauric, benzoic, caprylic or capric acid, protected with soaps rich in fatty acids present in vegetable fats. The invention further describes the compositions themselves for animal feeding which comprise the salts of said organic acids protected with soaps, their use in animal feeding, in particular in monogastric animals and the food or feed itself which comprises the compositions described in the invention.
