Method for quickly identifying goat milk and mare milk

A technology of goat's milk and horse's milk, applied in neural learning methods, character and pattern recognition, preparation of test samples, etc., can solve the problem of no mid-infrared spectrum identification

Inactive Publication Date: 2021-04-16
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Mid-infrared spectroscopic analysis is a fast, non-destructive, non-pollution-free modern technology that can analyze multiple components at the same time that has been deve...

Method used

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  • Method for quickly identifying goat milk and mare milk
  • Method for quickly identifying goat milk and mare milk
  • Method for quickly identifying goat milk and mare milk

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Instruments and equipment:

[0031] MilkoScan produced by FOSS company TM 7RM milk composition detector (according to the product instruction manual).

[0032] The operation steps are as follows:

[0033] 1) Select a milk sample:

[0034] 60 samples of fresh mare's milk and 73 samples of fresh goat's milk were collected respectively.

[0035] 2) Mid-infrared spectrum acquisition:

[0036] Pour the horse milk and goat milk samples into cylindrical sampling tubes with a diameter of 3.5cm and a height of 9cm to ensure that the liquid level is greater than 6cm, then bathe them in a water bath at 42°C for 15-20min, and then extend the solid optical fiber probe Aspirate a sample into the liquid for detection, using MilkoScan from FOSS TM 7RM milk composition detector at 4000-400cm -1 The horse milk and goat milk samples are scanned within the wavenumber range, and the light transmittance corresponding to the sample is output by the computer connected to it to obtain the...

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Abstract

The invention belongs to the field of milk product analysis, and particularly relates to a method for quickly identifying goat milk and mare milk, which is related to mid-infrared spectroscopy. The method comprises the following steps: 1) taking fresh mare milk and goat milk samples; 2) scanning the samples in a mid-red spectral range to obtain mid-infrared spectral data; 3) preprocessing the original mid-infrared spectrum to remove abnormal values; 4) dividing the preprocessed data set into a training set and a test set according to a stratified sampling principle; 5) performing dimension reduction processing on the training set to improve the model training speed; 6) on the training set, establishing a model for distinguishing mare milk from goat milk through 10-fold cross validation by using algorithms such as nearest neighbors, and evaluating and screening the model by using accuracy, specificity, sensitivity and AUC; and 7) estimating the generalization performance of the optimal model.

Description

technical field [0001] The invention belongs to the technical field of milk product analysis, and in particular relates to a rapid identification method for identifying goat milk and horse milk. The present invention is related to the field of analysis using infrared spectroscopy to identify ingredients in dairy products. Background technique [0002] The content and ratio of protein, amino acid, lactose and minerals in mare's milk are close to those of breast milk, which is easier for infants to absorb and reduces allergic symptoms [3,6,10] . And mare's milk is rich in vitamins and minerals, these components participate in the metabolism of the human body, have the effects of regulating human physiological functions, improving human immunity and preventing and curing diseases, unsaturated fatty acids and low molecular fatty acids are effective in preventing hypercholesterolemia and arteriosclerosis good effect. Free glycans in mare's milk have a wide range of biological ...

Claims

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Application Information

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IPC IPC(8): G01N21/3577G01N1/44G06K9/62G06N3/08
Inventor 张淑君南良康王海童杜超罗雪路上官爱哨杨利国艾哈迈德.萨贝克张依张静静丁磊向世罄
Owner HUAZHONG AGRI UNIV
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