Method for discriminating polished rice and glutinous rice

A technology of glutinous rice and japonica rice, applied in the direction of color/spectral characteristic measurement, etc., can solve the problems of large price difference, confusion of consumers, low identification accuracy, etc., and achieve the effect of high accuracy

Inactive Publication Date: 2015-09-16
舒城县东方粮油种植专业合作社
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Problems solved by technology

Because the two kinds of rice are very similar in shape, but the price is quite different, a few merchants are driven by profit and sell the japonica rice and glutinous rice together, which is easy to confuse consumers.
[0003] The existing identification method is through visual inspection, and the identification accuracy is not high

Method used

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Embodiment Construction

[0014] A method for distinguishing japonica rice and glutinous rice, comprising the following steps:

[0015] (1) Take two identical beakers, add 150 ml of 0.5% iodine standard solution and 10 ml of 75% alcohol into each cup, and stir them evenly to obtain iodine reagent;

[0016] (2) Weigh 100g each of japonica rice and glutinous rice;

[0017] (3) Add 100g of japonica rice and glutinous rice that have been weighed into the iodine reagent prepared in step (1) for soaking. After soaking for a few seconds, observe the color change of the rice in the beaker;

[0018] (4) If the color of the rice in the beaker turns dark brown, it is called glutinous rice, and if the color of the rice turns blue-purple, it is called stem rice.

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Abstract

The invention provides a method for discriminating polished rice and glutinous rice. The method comprises immersing polished rice and glutinous rice into an iodine tincture solution according to a certain mass-volume ratio for some time and then carrying out identification by observation of different colors of the rice after immersion. The immersed glutinous rice has a dark brown color and the immersed polished rice has an ianthinus color. The method is simple and easy and has discriminating accuracy of 100%.

Description

technical field [0001] The invention relates to the field of identification of agricultural products, in particular to a method for identifying japonica rice and glutinous rice. Background technique [0002] Japonica rice and glutinous rice are both types of rice. Japonica rice is suitable for cooking porridge and stewed rice, and glutinous rice is suitable for making zongzi, glutinous rice balls, brewing wine, etc., and the market price is relatively high. Because the two kinds of rice are very similar in appearance, but the prices are quite different, a few merchants are driven by profit and sell Japonica rice and glutinous rice together, which is easy to confuse consumers. [0003] The existing identification method is through visual inspection, and the identification accuracy is not high. Contents of the invention [0004] The invention provides a method for distinguishing japonica rice and glutinous rice. This method is simple and easy to implement, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25
Inventor 葛义学周俊
Owner 舒城县东方粮油种植专业合作社
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