A rice polisher is a machine for buffing (or "polishing") kernels of rice to change their appearance, taste, and texture or for transforming brown rice into white rice.[1][2]
Rice polishers are used after the rice has gone through the whitening process.[3] They are abrasive machines that use talc or some other very fine dust to buff the outer surface of rice kernels. In Japanese farming communities, there is often a shared rice polishing machine. The first fully automated rice polishing machine is believed to have been patented by the English engineer and inventor Sampson Moore in 1861.[4] In the 20th century, kitchen appliances for consumers were created that allowed individual cooks to polish rice in their homes.[citation needed]
Components
The polisher contains cones covered with leather strips and perforated screens. The leather strips on the cones rub the grain of rice over the screen repeatedly. The remaining particles on the rice are removed during this process, giving the grain of rice a shinier appearance.[3]
There is a suction fan within the polisher that keeps the rice cool as it travels through the polishing process and lowers the percentage of broken rice.[5] The suction fan also catches any loose talc or dust that is lost throughout the process.[6]
Types
- Vertical cone polisher: This machine uses a covered cone within a perforated screen to create an abrasive surface for polishing rice.[7]
- Horizontal polisher: This machine uses a cylinder covered in emery that is placed within another cylinder and rotated to polish the rice.[8]
See also
- Rice cooker, a kitchen appliance that automates the cooking of rice, and may maintain rice hot, ready to eat
- Rice huller, a machine that removes the chaff or outer fibrous hull from grains of rice
- Rice preparation
References
- ^ Aten, A. (1953). Equipment for the Processing of Rice. FAO agricultural development paper. Food and Agriculture Organization of the United Nations. p. 38. Retrieved October 11, 2017.
- ^ "Simply Ming: A Red Ceramic". Retrieved 5 March 2020.
- ^ a b Wimberly, James E. (1983). Technical Handbook for the Paddy Rice Postharvest Industry in Developing Countries. Int. Rice Res. Inst. ISBN 978-971-10-4075-8.
- ^ The London Gazette, 24 Sept 1861 (patent 1423, page 3832)
- ^ International Review of the Science and Practice of Agriculture. International Institute of Agriculture. 1922.
- ^ Luh, Bor S. (1991-02-28). Rice, Volume 2: Utilization. Springer Science & Business Media. ISBN 978-0-442-00485-9.
- ^ Bhattacharya, K. R.; Ali, Syed Zakiuddin (2015-12-16). An Introduction to Rice-grain Technology. CRC Press. ISBN 978-93-80308-10-4.
- ^ Chandrasekaran, B.; Annadurai, K.; Kavimani, R. (2013-07-01). Rice Science. Scientific Publishers. ISBN 978-93-87307-24-7.
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This page was last edited on 2 August 2023, at 06:53