Method for identifying animal blood on basis of near-infrared spectrum technologies and application of method

Abstract

The invention discloses a method for identifying animal blood on the basis of near-infrared spectrum technologies and application of the method, and belongs to the field of technologies for identifying, detecting and analyzing adulteration of blood products. The method includes respectively scanning pure animal blood standard samples and animal blood samples to be subjected to adulteration examination to acquire original spectra of the pure animal blood standard samples and the animal blood samples by the aid of near-infrared analyzers; carrying out spectral pre-processing on near-infrared spectral data obtained by means of scanning; extracting effective factor numbers by means of factor analysis; establishing Fisher linear discriminant analysis models by the aid of selected effective factors; carrying out linear discriminant analysis on the to-be-examined samples by the aid of Fisher linear discriminant functions of the pure animal blood standard samples to obtain prediction classification results and images; comparing the images of the pure animal blood standard samples and the to-be-examined animal blood samples to one another and identifying the to-be-examined blood samples so as to identify whether the to-be-examined samples are adulterated or not. The method and the application have the advantages that the method is high in identification accuracy, the correct discriminant rate of different varieties of blood samples can reach 100%, and the method is applicable to identifying animal blood products.

Description

technical field [0001] The invention relates to a method and application for identifying animal blood based on near-infrared spectroscopy, and belongs to the technical field of identification, detection and analysis of adulteration of blood products. Background technique [0002] Due to the large difference in price of different types of animal blood products, and with the continuous growth of the national demand for animal blood products in recent years, some unscrupulous merchants are willing to shoddy and shoddy the real ones in order to make huge profits, such as duck Blood tofu is faked with cow blood and pig blood, which not only disrupts the market order, but also damages the interests and health of consumers. Research on the rapid identification technology of blood products can effectively protect the legitimate rights and interests of consumers and ensure the stable and healthy development of the market. [0003] Traditional blood product identification methods are...

AI Technical Summary

Problems solved by technology

[0004] At present, the technology for detecting blood adulteration is only the detection method of molecular biology. The PCR technology based on DNA is widely used to identify the animal source components in food. Although the method has high accuracy, the equipment is expensive and the operator's experimental skills The requirements are high, the experimental steps are cumbersome, time-consuming and labor-intensive, and expensive chemical reagents are required. The reagents are poisonous to humans and pollute the environment. Therefore, a fast, non-destructive and economical detection method is urgently needed

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