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Why are zone-exposed rice grader similar to those in rice kernels?

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The japonica cultivar "Koshihikari" showed significant deterioration in appearance quality of kernels caused by abnormal starch accumulation due to exposure to ozone. The alteration patterns of amylose and amylopectin in ozone-exposed rice grader are similar to those in rice kernels harvested from SSIIIa-deficient mutants. These findings suggest that the increase of chalky kernels in ozone-treated "Koshihikari" is partly attributable to the repressed expression of SSIIIa involved in amylopectin side-chain elongation with ozone exposure. Elevated ozone reduced appearance quality in "Koshihikari" although it did not impair starch properties contributing to the eating quality of cooked rice.

A rice quality testing tool can help farmers to ensure the quality of their rice prior to harvest and milling and increase their crop’s profit. The Kett PQ520, a single kernel moisture tester, reveals a sample' s moisture distribution. The ideal time to harvest the rice is when that moisture distribution narrows.

rice destoner separates impurities such as stones and sand from the paddies.  However, it does not use typical sifting technology to accomplish this.  Instead, it employs a method called bulk density comparison.  Sand and stones are separated from the product bulk through a primary sieve.  A fan then drives the product through a secondary sieve.  The lighter product is reclaimed by the airflow, while the heavier debris separates and is discharged from the sieve.

asked May 2 in Internet Advertising by ricepolisher IBO Guru (1,050 points)

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