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Rice Polisher

Views: 15     Author: Site Editor     Publish Time: 2023-08-16      Origin: Site


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A rice polisher, also known as a rice polishing machine or rice whitening machine, is a device used in the rice processing industry to improve the appearance, texture, and quality of rice grains. The process of polishing rice involves removing the outer bran layers from the rice kernels, resulting in a smoother and more translucent appearance. This process also helps to remove any residual bran or dust that might remain on the rice after the milling process.

Rice polishers typically consist of a rotating drum or cylinder that contains abrasive materials, such as emery or carborundum particles. As the rice grains move within the rotating drum, the abrasive particles gently rub against the outer layers of the rice, removing the bran and giving the rice a polished appearance.

The benefits of rice polishing include:

Improved Appearance: Polished rice has a glossy and translucent appearance, making it more visually appealing to consumers.

Texture and Cooking Quality: Polished rice grains tend to be smoother and less sticky when cooked, resulting in better texture and separation.

Reduced Bran Residue: The polishing process helps remove any remaining bran, husk fragments, or dust that might be present after the initial milling.

Extended Shelf Life: The removal of the outer layers can help reduce the presence of enzymes and lipids that might contribute to the rice becoming rancid over time.

Rice Polisher
However, it is important to note that excessive polishing can also lead to the loss of some nutrients, as the outer bran layers contain valuable vitamins and minerals. As a result, the degree of polishing is often carefully controlled to balance appearance and quality with nutritional value.

Rice polishers are commonly used in rice mills and processing plants to prepare rice for the market. Different types of rice polishers and technologies are available, ranging from traditional abrasive methods to modern automated systems. The choice of equipment depends on factors such as the scale of production, desired rice quality, and processing efficiency.

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