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A detection method for broken rice grains

A detection method, rice technology, applied in the field of food science, can solve the problems of inability to accurately detect the fracture surface, low detection accuracy, high equipment cost, etc., and achieve the effect of good application prospects

Active Publication Date: 2020-09-18
ACAD OF NAT FOOD & STRATEGIC RESERVES ADMINISTRATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method also has the problem of low detection accuracy. For example, if the fracture surface of the rice grain is located on the back or side of the scanned image, the fracture surface cannot be accurately detected from the scanned image.
In addition, the equipment cost of this method is relatively high, and it needs to be perfected for the situation that there are many types and varieties of rice in my country's grain production.

Method used

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  • A detection method for broken rice grains
  • A detection method for broken rice grains
  • A detection method for broken rice grains

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Embodiment Construction

[0033] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0034] Such as figure 1 As shown, one embodiment of the present invention provides a kind of detection method of broken rice situation, comprising:

[0035] The rice sample to be tested is sequentially dyed, washed and eluted to obtain an eluate;

[0036] Measure the absorbance value OD of eluate at 610nm and 690nm wavelength respectively 610 and OD 690 ;

[0037] Put △OD=OD 610 -OD 690 It is defined as the rice kernel breakage index of the rice sample to be tested.

[0038] Compared with the existing method for det...

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Abstract

The invention discloses a method for detecting rice grain breakage, which comprises steps of: sequentially dyeing, washing and eluting rice samples to be tested to obtain an eluent; respectively determining absorbance values OD610 and OD690 of the eluent at wavelengths of 610 nm and 690 nm; and defining triangle OD=OD610-OD690 as a rice grain breakage index of the rice samples to be tested. According to the method for detecting rice grain breakage, a quick and accurate detection of rice grain breakage can be performed.

Description

technical field [0001] The invention relates to the technical field of food science. More specifically, it relates to a detection method for broken rice grains. Background technique [0002] The broken rate of grain is an important index to evaluate the quality of grain storage and processing. my country's food quality indicators stipulate that the standards for the polished rice rate of grades 1, 2, 3, 4, and 5 for indica rice are not less than 50%, 47%, 44%, 41%, and 38%, respectively; The standards for the polished rice rate of grades 2, 3, 4, and 5 are 61%, 58%, 55%, 52%, and 49%. Broken rice refers to polished rice whose grain size is only 1 / 4 to 3 / 4 of the whole grain. The higher the broken rate of rice grains, the lower its quality grade, which directly leads to the accelerated deterioration of its quality during transportation and storage. Due to the strong hygroscopicity of broken rice grains, it is easy to cause heat and be attacked by pests and molds, which sig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/33
CPCG01N21/33
Inventor 李兴军陈治天邵汉良吴军王若兰
Owner ACAD OF NAT FOOD & STRATEGIC RESERVES ADMINISTRATION
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