脚气病(不是脚癣病)系因身体缺乏维生素B_1引起的,因此,多食富含维生素B_1的糙米粗粮,可防治脚气病的发生。 膳食中维生素B_1的主要来源是谷类食品,这是因为谷物外层含维生素B_1丰富。如果把粮食碾磨越来越精细,维生素B_1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,这些只占米粒容积10％,却包含大米中维生素B_1和矿物质的80％。有人测定,一般标准米每100克含维生素B_10.32毫克,而精白的特梗米每100克仅含0.08毫克。因此营 Beiqi disease (not a ringworm disease) is due to lack of vitamin B_1 in the body, therefore, eat more coarse grains rich in vitamin B_1 can prevent beriberi. The main source of vitamin B 1 in the diet is cereal, because the outer layer of the cereal contains vitamin B 1 rich. If you grind grain more and more fine, the more vitamin B_1 loss, and brown rice only to the outermost chaff, retaining the rice bran layer, germ and endosperm, which accounted for only 10% of rice volume, but contains rice Vitamin B_1 and 80% of minerals. Some people determine, the general standard rice contains 100.3 grams of vitamin B_10.32 mg, while the refined special Terrier rice contains only 0.08 mg per 100 grams. So camp