The whole milled rice rate is 68.8%, the chalky white grain rate is 31.0%, the chalkiness is 6.8%, the gel consistency is 90.0 mm, the amylose content is 10.0%, and the rice quality is superior. This is the result of testing the physical and chemical indicators of a rice rice in 2018 by the Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture (Wuhan). Such detailed data is of course not estimated by humans, but by means of professional testing instruments. The instruments involved are the inspection of polished rice machines and amylose analyzers.

To carry out the rice quality inspection, the rice should be tested after the process of rice shelling and brown rice milling. Therefore, in the pre-treatment, we need to treat the rice with the help of the milled rice machine. The instrument can treat rice with high efficiency and low loss. The sample, the process of rice shelling and brown rice whitening in one time, not only takes a short time, but also has a higher whitening rate, a larger sample volume and less broken rice, which satisfies the test sample for rice. High requirements. The rice processed by the test rice machine can be directly used to test the quality of rice yellow, disease, belly white and imperfect grain. For example, the yellow rice meter test takes about 160g of uniformly mixed rice and is placed in a test mill to grind for about 40s (the milling time varies depending on the moisture and the variety), removes the tantalum powder, weighs the quality of the polished rice, and sorts out Yellow rice, weighing the quality of yellow rice, can quickly determine whether the rice sample yellow rice exceeds the standard.

The inspection of polished rice machine is a special equipment for testing rice quality and whole milled rice rate according to the national standard of GB1350-1999 "rice" and GB/T17891-1999 "high quality rice". Through continuous improvement and inspection applications, the performance of the instrument is getting better and better, and the effect of polished rice is getting better and better. At present, the instrument is widely used in the fields of rice purchase, quality inspection and agricultural breeding research, for the relevant inspection and research. The work saved a lot of time, and at the same time, it also improved the accuracy of the inspection to a certain extent, and played a positive role in the development of the grain industry.

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