A multi-index rapid nondestructive synchronous detection method for fresh beef

A synchronous detection, multi-index technology, applied in measuring devices, material analysis by optical means, instruments, etc., can solve the problems of cumbersome, long cycle, time-consuming and other problems in the detection process of fresh beef, and achieve fast speed, simple operation and accuracy. The effect of multi-index detection

Active Publication Date: 2016-05-04
CHINA MEAT RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problems to be solved by the present invention are technical problems such as cumbersome, time-consuming and long cycle detection process of fresh beef

Method used

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  • A multi-index rapid nondestructive synchronous detection method for fresh beef
  • A multi-index rapid nondestructive synchronous detection method for fresh beef
  • A multi-index rapid nondestructive synchronous detection method for fresh beef

Examples

Experimental program
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Effect test

Embodiment 1

[0049] Such as Figure 1-3 As shown, a kind of fast non-destructive synchronous detection method of multiple indicators of fresh beef provided by the present embodiment comprises the following steps:

[0050] 1) Collect 400 fresh beef samples from the market, remove the fat and fascia on the surface of the samples, without crushing or homogenizing, and then collect the near-infrared spectral data information of the samples in batches;

[0051] image 3 It is the near-infrared spectrum information of 400 fresh beef samples. Such as figure 1 As shown, in the process of collecting near-infrared spectral information, the surface of the fresh beef sample 7 to be inspected is closely attached to the detection probe 3 of the portable near-infrared spectrometer to avoid inaccurate spectral information collected due to light leakage. Among them, 1 is a light source and a grating, 2 is an output fiber, 4 is an input fiber, 5 is a detector, and 6 is a microprocessor.

[0052] During ...

Embodiment 2

[0067] This embodiment 1 is basically the same, the difference is that the beef samples in this embodiment are taken from two different regions.

Embodiment 3

[0074] This embodiment 1 is basically the same, the difference is that this embodiment is a multi-index prediction model for fresh beef, six indicators such as cholesterol, moisture, fat and protein content, shear force, and water holding capacity in beef samples under different feeding methods The application of synchronous fast non-destructive testing.

[0075]The fresh beef multi-index prediction model that has been fitted to the best prediction model of each single index in Example 1 is used to detect the cholesterol content of fresh beef samples collected from the market, and at the same time according to the national and industry standards GB / T9695. 24-2008 "Determination of Cholesterol Content in Meat and Meat Products", GB / T9695.15-2008 "Determination of Moisture Content in Meat and Meat Products", GB / T9695.7-2008 "Determination of Total Fat Content in Meat and Meat Products", GB / T9695. T5009.5-2010 "National Food Safety Standard for Determination of Protein in Food", ...

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Abstract

The invention relates to a multi-index rapid nondestructive synchronous detection method for fresh beef. The method is based on multi-index detection of contents of cholesterol, water, fat and protein, shear force and retention ability of the fresh beef by means of a portable near-infrared spectrograph. Compared with current national standard methods in China and other applying methods of desktop near-infrared spectrographs, the method is characterized by being simple, rapid, efficient, accurate and capable of synchronous multi-index detection. The method has no limit on sample dimension and shapes. Samples to be detected are free of any destructive pretreatment, thus achieving nondestructive detection and saving a cost. A microprocessor comprising system programs is high in degree of intellectualization. Detection and analysis are completed automatically, and a detection result is displayed in real time. Special training for operators is not needed. The method is simple and convenient to operate and can be applied for online detection.

Description

technical field [0001] The invention relates to the technical field of food detection, in particular to a method for synchronously rapid and non-destructive detection of multiple quality indexes in fresh beef by using a near-infrared spectrum multi-index prediction model. Background technique [0002] Beef is a health-care meat product with high nutritional value that consumes the largest amount of Chinese people. With the rapid development of the national economy and the substantial improvement of people's living standards, the per capita consumption of beef continues to grow rapidly. At the same time, people's demand for beef quality The requirements are also constantly increasing. [0003] However, my country’s beef cattle breeding, slaughtering, transportation, sales, and traceability systems are not perfect at present, resulting in uneven quality and quality of marketed beef. At present, high-quality and high-end beef products mainly rely on imports. The main reasons ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3563G01N21/359
CPCG01N21/3563G01N21/359
Inventor 王辉田寒友邹昊李家鹏陈文华乔晓玲王守伟
Owner CHINA MEAT RES CENT
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