A rapid detection method for food deterioration and its detector

A detection method and detector technology, applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve problems such as surface wrinkles, large differences in tissue structure, and detection result errors, and achieve fewer influencing factors, high accuracy, and adaptability broad effect

Active Publication Date: 2020-09-15
HENAN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When detecting grain mildew, the existing method is to use distilled water to quantitatively wash grain grains to obtain a bacterial suspension, but the surface wrinkles and tissue structures of different grain grains are quite different, and the washing error of grain grains is relatively obvious. Oscillating equipment and the influence of many factors in the operation process lead to significant errors in the test results

Method used

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  • A rapid detection method for food deterioration and its detector
  • A rapid detection method for food deterioration and its detector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (a) Take 50g of the wheat sample (1) and put it into the container of the stirring grinder, add 500ml of distilled water, stir at a speed of 300 rpm for 30 seconds without breaking the grain grains, filter out the stirring washing liquid and add Distilled water to 500ml is used as the detection liquid of wheat external mildew condition; The detection liquid is all added in the reaction tank 6 of detector, the temperature of setting constant temperature control element 7 on operation panel 12 is 30 ℃, the stirring speed of magnetic stirrer 10 200 rpm, press the start button to enter the stirring and heating state, when the temperature of the detection solution reaches 30°C, enter the constant temperature state, add 10 ml of hydrogen peroxide solution with a concentration of 30%, tighten the sealing cap 5, and press the The detection button on 12 starts the detection timing, and the instrument emits a warning sound after 5 minutes, and records that the liquid level on the ...

Embodiment 2

[0032] (a) Take 50g of the wheat sample (2) and put it into the container of the stirring grinder, add 500ml of distilled water, stir at a speed of 300 rpm for 30 seconds under the premise of not breaking the grain grains, and filter out the stirring and washing liquid as the wheat External mildew condition detection liquid; add the filtered detection liquid to 500ml with distilled water, all add in the reaction tank 6 of the detector, set the temperature of the constant temperature control element 7 on the operation panel 12 to be 30°C, magnetic stirrer 10 The stirring speed is 200 rpm, press the start button to enter the stirring and heating state, when the temperature of the detection solution reaches 30°C, it enters the constant temperature state, add 10 ml of hydrogen peroxide solution with a concentration of 30%, and tighten the sealing cap 5, Press the detection key on the operation panel 12 to start detection and timing. After 5 minutes, the instrument emits a warning s...

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Abstract

The invention discloses a grain spoilage fast detection method and a detector thereof. According to the detection method, a same grain sample is treated through two different methods to prepare two detection solutions, and then fast detector of catalase activity is adopted for conducting detection. Detection values obtained through two-time detection can reflect the mildew and bud mutation conditions of the grain sample respectively; the fast detection method provided by the invention is suitable for being used in the link of grain harvesting, purchasing, trade, storage management and the like.

Description

technical field [0001] The invention belongs to the technical field of grain quality detection, and specifically relates to a method for quickly detecting grain mold pollution, mold growth degree or grain germination and deterioration degree in the grain harvesting and processing links or grain purchase and storage management links and its The detector is convenient for quickly understanding the quality changes of the grain. Background technique [0002] Food is a necessity in people's daily life. Among all the raw materials for food production and processing, the demand for food is the largest. Only by ensuring the quality and safety of food can food safety be realized. This is a major issue related to the quality of life and health of everyone. After the grain is harvested in the field, if the high water content cannot be dried in time, it may sprout or mildew, and these changes will destroy the quality of the grain. If the grain germinates or has a tendency to germinate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/02G01N1/28
CPCG01N1/286G01N33/02G01N2001/2866
Inventor 翟焕趁张帅兵吕扬勇蔡静平朱冰洁
Owner HENAN UNIVERSITY OF TECHNOLOGY
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