食物,粮食通常是源于植物和动物的物质,包含有人体营养物的必不可少物质或由其组成如:糖类、脂肪、蛋白质、维他命和矿物质等,由产生能量、促进发育和维持生命的组织消化和吸收Material, usually of plant or animal origin, that contains or consists of essential body nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals, and is ingested and assimilated by an organism to produce energy, stimulate growth, and maintain life.