Fuente: WIPO "tomato" The present disclosure generally relates to certain unsaturated fatty acids and their use to modify the taste of a composition, such as reducing the bitter taste. In some aspects, the disclosure provides compositions that include such unsaturated fatty acids. In some embodiments, the compositions are ingestible compositions, including, such as packaged food or beverage products. In some other aspects, the disclosure provides uses of the unsaturated fatty acid, and related methods, for reducing a bitter taste of an ingestible composition, such as an ingestible composition for use in a food, beverage, oral care, nutraceutical, or pharmaceutical product.