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Water-injected meat rapid screening method based on near-infrared detection

A technology for water injection and screening, which is applied to measurement devices, instruments, scientific instruments, etc., can solve problems such as the inability to accurately display the true state of water, and achieve the effect of authenticity and representation, and the detection process is simple

Active Publication Date: 2020-05-08
INST OF ANIMAL SCI OF CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its water-injected meat model basically adopts the form of simple muscle water injection, which is quite different from the "water-injected meat" of in vivo perfusion (the current main method of illegal water injection), and cannot accurately show the true state of water in muscle tissue

Method used

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  • Water-injected meat rapid screening method based on near-infrared detection
  • Water-injected meat rapid screening method based on near-infrared detection
  • Water-injected meat rapid screening method based on near-infrared detection

Examples

Experimental program
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Effect test

Embodiment 1

[0040] The experimental methods used in the following examples are conventional methods unless otherwise specified.

[0041] 1) Sample model

[0042] Under the same feeding conditions, 234 healthy three-way hybrid pigs weighing more than 95 kg were selected. 153 heads were randomly selected as the fresh meat group, and the remaining 81 heads were used as the "water-injected meat" group to establish the water-injected meat model. Use the illegal additives for water injection collected by the quality supervision department on site, and operate according to the commonly used injection dosage and water injection method. The pigs were given intramuscular injection of illegal additives in water for 2 hours, and then fed with 6 kg of water, once every 3 hours, for 2 consecutive times; the last feeding was done 2 hours later and slaughtered. The slaughter process is carried out in accordance with the "GB / T 17236-2008 Pig Slaughter Operation Procedures".

[0043] 2) Establish a pred...

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PUM

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Abstract

The invention discloses a water-injected meat rapid screening method based on near infrared detection. The water-injected meat rapid screening method comprises the following steps of: establishing a moisture, protein and fat content prediction model by collecting near infrared spectra of a sample; analyzing a moisture / protein and fat distribution rule by utilizing a statistical median method; andrapidly screening suspected water-injected meat according to a limit value 77% of the national standard GB 18394-2001 Livestock and poultry meat moisture limit and medians of moisture / protein and fatas screening indexes. The water-injected meat rapid screening method is simple, convenient, rapid and nondestructive in detection process, is suitable for on-site online detection, and can be popularized and popularized to meat detection of markets, shopping malls and supermarkets.

Description

technical field [0001] The invention belongs to the field of food detection, and relates to a rapid screening method for "water-filled meat" based on near-infrared detection. Background technique [0002] Since the meat market was liberalized in the 1980s, the behavior of "water-injected meat" has been banned repeatedly, and it has become a food safety issue that seriously endangers the health of consumers. The detection technologies for water-injected meat in the projects disclosed in Chinese patents mainly include: test paper, conductivity, nuclear magnetic resonance and near-infrared spectroscopy and other technologies. [0003] Test paper technology is to use the discoloration principle of chemical reaction to identify whether illegal drugs are added to meat, and to determine the additives according to different reaction intervals, such as water, glue and other substances; conductivity technology is to use the electrode principle of physics and the electrical conductivit...

Claims

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Application Information

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IPC IPC(8): G01N21/3563G01N21/359
CPCG01N21/3563G01N21/359G01N2201/1293
Inventor 谢鹏刘丽华张松山孙宝忠李海鹏王欢雷元华刘璇
Owner INST OF ANIMAL SCI OF CHINESE ACAD OF AGRI SCI
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