Rice is the first yield crop in china, Production and storage of rice related to the state's food supply system security directly. The rice stock of the year's total is about 40% in china now, Long time will inevitably lead to the storage of rice quality deterioration Compared with aging rice with fresh rice,edible quality decreased obviously. With the improvement of people's living, the quality of rice and a higher requirement the main reason of impeding their access to normal flow is aging rice ...