Ziziphin, a triterpene glycoside which exhibits taste-modifying property, has been isolated from the leaves of Ziziphus jujuba (Rhamnaceae). Among its known homologues found in the plant, it's the most anti-sweet, however it's less potent than gymnemic acid 1. Ziziphin suppresses the sweetness of most of the carbohydrates (for example glucose, fructose), bulk sweeteners, intense sweeteners (natural: Steviol glycoside – artificial: sodium saccharine and aspartame) and sweet amino acid (fo… (More on Ziziphin)