Dear all, Could any one tell me any method to detect the adulteration in rice?

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謙二神宮寺

Dear Nhien Tran

What kind of foreign object(adulteration) do you want to remove?

Research/experimental scale?　 Industrial scale?

Maxsueli Aparecida Moura Machado

Dear,

Models based on infrared spectroscopy, such as FTIR might be useful.

In Japan, DNA is used to test rice varieties.

https://agriknowledge.affrc.go.jp/RN/2010740456.pdf

Milad Karbalaei Aghamohsen

Hello. One of the old methods of detecting fraud in the food industry in incoming rice is that according to the type of variety and its cultivation area and other factors, the percentage of grain and even its sensory and cooking characteristics are examined after the physical examination.

Luciola Tran

Dear all,

Thank you very much for your kind answers and suggestion.

Please let me add more detail. I want to distinguish the fraud rice by molecular method and calculate the fraud rate. For example: in the market, premium rice is mixed with standard rice and sold at a premium price.

I am looking forward to receiving your suggestion. Many thanks!

Badal Verma

Take a tea spoon of rice in a glass plate. Sprinkle a small amount of soaked lime (commonly known as chuna which is used in pan) on the rice grains. Pure grains will not form red colour. Adulterated grains will form red colour.