稻谷是我国第一大粮食作物,米糠是稻谷加工成大米的副产品之一,它是在糙米轧制成精白米过程中产生的。米糠由果皮、种皮、糊粉层和部分胚芽等成分混合而成,占糙米质量的8%～10%。米糠除了含有丰富的油酸、亚油酸等不饱和脂肪酸以外,还含有B族维生素、维生素E、膳食纤维、蛋白质 Rice is one of the largest food crops in China. Rice bran is one of the by-products of processing rice into rice. It is produced during the rolling of brown rice into refined white rice. Rice bran from the peel, seed coat, aleurone layer and part of the mixture of germ and other ingredients, accounting for 8% to 10% of the quality of brown rice. In addition to rich in oleic acid, linoleic acid and other unsaturated fatty acids, rice bran also contains B vitamins, vitamin E, dietary fiber, protein