Fuente: WIPO "tomato" Taste modifier compositions are provided that include one or more taste modifier peptides. The taste modifier peptides are effective to modulate one or more of salty, bitter, sour, astringent, umami, and kokumi taste characteristics. The taste modifier compositions may further include one or more lactones and/or one or more glutamyl peptides. The taste modifier compositions may be added to food or beverage products to modify one or more tastes in the food or beverage products.