The present invention relates to raw materials for foods,pharmaceuticals, and the like, wherein the raw materials canbe effective in preventing and ameliorating variouslifestyle-related diseases such as obesity and hyperlipidemia,safe, applicable in wide areas, and less deteriorative totexture； and the present invention also relates to apreventive/remedy for obesity, an agent for suppressing fataccumulation in internal organs , an agent for suppressing bloodglucose level increase, or a preventive/remedy for diabetes,wherein acetylated starch or starch octenyl succinate is anactive ingredient.
