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脂肪是人体重要的组成部分,它是提供机体热能的最主要来源.对婴幼儿来说脂肪提供35%左右的热.同时,脂肪还是脂溶性维生素的介质,例如,维生素A、D、E、K均溶于脂肪,因此脂肪有促进这些维生素的吸收、利用的功能.从物理形态看,脂肪可分为油与脂两大类,凡是在室温(20℃)呈液体状的称为油,如豆油、菜子
Fat is an important part of the body, it is the main source of body heat to provide fat for infants and young children about 35% of the heat, while fat or fat-soluble vitamins medium, such as vitamins A, D, E, K are soluble in fat, so fat can promote the absorption and utilization of these vitamins.From the physical form, fat can be divided into two major categories of oil and fat, usually at room temperature (20 ℃) was called liquid oil, Such as soybean oil, rapeseed