(Modified) rice endosperm protein is used as novel protective hydrocolloid for active ingredients, especially fat-soluble active ingredients and/or colorants. Included are compositions comprising (modified) rice endosperm protein and at least one active ingredient and to their manufacture, as well as to the (modified) rice endosperm protein itself and its manufacture. These compositions are used for the enrichment, fortification and/or coloration of food, beverages, animal feed, personal care or pharmaceutical compositions, and to food, beverages, animal feed, personal care and pharmaceutical compositions containing such a (modified) rice endosperm protein and such a composition, respectively.