Essay On Rice Dehusking

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Abstract Rice obtained from the field is basically in the form of paddy rice. It consists of a hard protective covering called husk that protects the rice grain from being damage. This covering is removed and the rice grain obtained is called as brown rice. This brown covering is called as bran. After removing the bran the head rice grain thus obtained is white rice. The paper comprises of the detail information about the process carried out during rice dehusking. This paper also discusses the innovations that took place in dehusking machines from the earliest times to the present and its future scope. The advantages and limitations of all mechanisms and their analysis are discussed in detail. Keywords: Rice dehusking, dehusking, husk, bran, manual operated rice mill. I. INTRODUCTION Rice is one of the most important grain in India. It is the staple food of the people in the eastern and southern parts of the country. India is one of the world’s largest producer of white and brown rice and produces 20% of the world rice production. As rice is the basic food crop and being a tropical plant, it flourishes comfortably in hot and humid climate. It is mainly grown in…show more content…
The mortar was made up of stones or wood that consists of a pocket or a block into which paddy rice was kept. The paddy rice was then pound with the help of a long wooden log of 5-6ft called pestle by one or two workers. The upward and downward movement of the pestle induces force on grain against grain that removes the husk and some bran layer. Due to pounding the percentage of broken grains was more. The cleaning was done by winnowing and gravity separation by hand. In Bengal (West Bengal, India and Bangladesh), this is called Dhenki. This process is still used traditionally in the villages for personal use. This is because it preserves the brown rice coating that is perceived as a healthy

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