Rice, also known as rice, is divided into three types: indica rice, japonica rice, and glutinous rice. It is a finished product made from rice after cleaning, husking, rice milling, and finishing.Rice remains alive after harvest(Enzyme activity), its quality will gradually decay during storage. Therefore, there are so-called new rice and old rice. Due to the problem of oil oxidation during storage, the taste and aroma of new rice are generally better than old rice. Moreover, the color of old rice is yellower and its transparency is poor. A large number of low-priced polished rice on the market is the product of secondary processing of old rice. Customers should pay more attention when choosing these products.The shelf life of rice varies according to its processing method and packaging method. In plain packaging, there may only be6-12months; the shelf life of bulk rice is not clearly regulated, and the general summer is3months, autumn and winter are6months. In bulk, spring and summer are humid and hot, and the shelf life of rice with high moisture content is only3months. Imported rice generally has an additional air-drying process, the moisture is greatly reduced, and the shelf life will be longertwenty fourmonths, but the taste is slightly worse.So, how many months is the shelf life of vacuum packaging? ?The shelf life of vacuum-packed rice can reach12-18months, the quality of the rice is good, and the sweet taste of the new rice is retained after opening the bag. Therefore, for high-end rice, manufacturers often use vacuum packaging for rice quality considerations. However, because vacuum packaging is difficult to maintain a vacuum completely during packaging, transportation, and storage, the cost of maintaining a vacuum state is relatively high, so the market price is relatively high. This packaging method is often only suitable for high-end new rice.The storage of vacuum-packed rice after opening the bag should pay attention to the following points: 1If you want to keep the taste and quality of the new rice, you can store the rice in a low temperature environment, such as storing in the refrigerator is a better way, which can reduce the oxidation of rice oil and rice wormsbreeding. But it should be noted that after the rice is put in the refrigerator, it can no longer be taken out and stored at room temperature. Because temperature changes will cause the surface of rice to absorb moisture and become damp and perishable. 21. After opening the bag, it is recommended to store the rice in a low-temperature, dry, and ventilated place, such as a balcony on the shady side of the home, a storage room on the shady side, etc. It can usually be stored2about a month. If the rice is placed in clay pots, the preservation time will be greatly extended. 3, Rice after vacuum bag opening, it is recommended to2Finished within a month. At the same time, it is necessary to observe whether there are insects in the rice bag, whether there is any peculiar smell, and whether the rice is discolored. For rice of questionable quality, it is recommended not to eat it. Because if aflatoxin is produced in rice, it has carcinogenic effect.Based on the above factors, we recommend: 1, Conditional families, it is recommended to buy and eat vacuum-packed rice. 2If you buy rice in bulk or ordinary packaging, you should judge the rice quality (color, smell, taste) when purchasing, and buy less and more often.
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