每粒米有一個胚。這胚部生在米的一角上,露在表面的部份比較很小。在普通碾白以后,祇有少數白米尚能保留米胚的全都或者一部,多數的胚,已經全被碾去,此所以碾成的米粒有缺一個角,且有小窩凹入的形狀。如果我們在碾軋糙米的時候 There is one embryo per grain of rice. This embryo is born in a corner of rice, and the exposed part is relatively small. After the ordinary whitening, only a few white rice can still retain all or one part of the rice embryos, and most of the embryos have already been milled. Therefore, the crushed rice grains have a lack of a corner and a concave shape. If we are grinding brown rice