Lipase could lead the oil hydrolyzed if the rice bran not passivated in time especially in the high temperature, which in order to increase the acid value of RBO.
但由于米糠中含有解脂酶，如果钝化处理不及时或者米糠保存温度较高，米糠中脂肪酸解过程加速。
2
The extrusion puffing, on the one hand, can make solution lipase in the rice bran passivated under high temperature and high pressure condition, then prevent the rice bran oil rancidity;