Rice is one of the staple foods for the people of our country. According to its rice seeds, it can be divided into glutinous rice, glutinous rice, glutinous rice, fragrant rice, purple rice and black rice. With the active market, various kinds of rice are not uncommon in the market, but the phenomenon of shoddy occurs from time to time. When buying rice, the quality can be tested from the following four aspects: First, it is to test hardness. The hardness of rice is mainly determined by the protein content. The stronger the hardness, the higher the protein content and the higher the transparency. Conversely, rice with a low protein content has a high water content, or rice with immature rice has poor transparency, and the belly of rice is opaque, and the white spot (white belly) is large. Second, look at their looks. The normal rice should be white and transparent, with normal belly and white color (except purple and black rice). The main reason why rice is yellow is most likely due to chemical changes in certain nutrients. Yellow rice has poor aroma, taste, stickiness and nutritional value. Third, it is to check for the phenomenon of explosive cracks. Due to the different processing conditions, the rice grains appear uneven during the drying process. Therefore, the loss of balance due to internal and external shrinkage can cause explosive marks or even fractures, resulting in a decrease in its nutritional value. Fourth, pay attention to Chen. For a long time, the rice has a dull color and a light scent. The appearance of white dao lines or gray powder appears on the surface. The more gray powder, the longer the time. Of course, it is more likely that Chen Mi has a musty smell or a worm. China Agricultural Network Editor
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