脚气病因身体缺乏维生素B1引起的,因此,多食富含维生素B1的糙米粗粮可防治脚气病发生。膳食中维生素B1的主要来源是谷类食品,这是因为谷物外层含维生素B1丰富。如果把粮食碾磨得越精细,维生素B1损失就越多。而糙米只磨去最外层的谷壳,保留稻米的米糠层、胚芽和胚乳,这些只占 The beriberi causes body lack of vitamin B1, therefore, eat more brown rice rich in vitamin B1 can prevent beriberi. The main source of dietary vitamin B1 is cereal, which is because the outer layer of cereals contain vitamin B1 rich. The finer the vitamin B1 is if more grain is ground. Brown rice, on the other hand, only shuffles the outermost chaff, retaining rice bran, germ and endosperm, all of which make up only