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Method for identifying reconstituted milk in UHT (Ultra High Temperature) sterilized milk

A technology of sterilized milk and reconstituted milk, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of infringing consumers' right to know, harming farmers' interests, and low risk, so as to protect the interests of dairy farmers, improve authority, The effect of protecting the right to know

Active Publication Date: 2016-02-17
INST OF ANIMAL SCI CAAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Processing companies use milk powder to produce reconstituted milk (reconstituted milk, an emulsion obtained by mixing dry or concentrated dairy products with water in proportion) which is easy to operate, low-risk, and does not require the construction of milk source bases, but it seriously damages the interests of farmers , a violation of the consumer's right to know

Method used

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  • Method for identifying reconstituted milk in UHT (Ultra High Temperature) sterilized milk
  • Method for identifying reconstituted milk in UHT (Ultra High Temperature) sterilized milk
  • Method for identifying reconstituted milk in UHT (Ultra High Temperature) sterilized milk

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Embodiment Construction

[0172] Next, according to the content of lactulose and fururine in the above-mentioned test samples, the UHT sterilized milk without nutritional supplements or only with minerals and / or vitamins is qualitatively identified.

[0173]For the research results, three scientific research groups were organized for comparison and verification. Contrast test samples UHT sterilized milk samples 7 copies. For UHT sterilized milk (sample 1-sample 7), the judgments of the 3 units on the UHT sterilized milk containing 0% reconstituted milk were all correct; for the UHT sterilized milk containing 13% and 80% reconstituted milk , the judgment accuracy rate was 100%; for UHT sterilized milk whose proportion of reconstituted milk was 100%, the judgment was all correct (Table 7).

[0174] Table 7 Comparison test judgment result summary table

[0175]

[0176] In the present invention, the reconstituted milk is identified through two indexes of furosine and lactulose, wherein the quantifica...

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Abstract

The invention provides a method for identifying reconstituted milk in UHT (Ultra High Temperature) sterilized milk. The method comprises the following steps: after UHT sterilization, the milk is determined to be normal UHT sterilized milk if the content of furosine in every 100 g of protein is smaller than or equal to 140.0 mg and the content of lactulose is smaller than or equal to 600.0 mg / L; after UHT sterilization, the milk is determined to be normal UHT sterilized milk if the content of furosine in every 100 g of protein is larger than 140.0 mg and smaller than or equal to 190.0 mg, L / F (lactulose / furosine) is larger than or equal to 1.8 and the content of the lactulose in a sample is smaller than or equal to 600.0 mg / L; if L / F is smaller than 1.8, the reconstituted milk is contained; after UHT sterilization, the milk is determined to be normal UHT sterilized milk when the content of furosine in every 100 g of protein is larger than 190.0 mg, L / F is larger than or equal to 2.0 and the content of the lactulose in the sample is smaller than or equal to 600.0 mg / L; if L / F is smaller than 2.0, the reconstituted milk is contained. The method has the advantages that the authority of a detection method for dairy products is improved, the consumer's right to know is guaranteed, benefits of dairy farmers are protected, and healthy development of the national milk industry is promoted.

Description

technical field [0001] The invention relates to a method for detecting dairy products, in particular to a method for identifying reconstituted milk in UHT sterilized milk. Background technique [0002] The large amount of imported milk powder used in liquid milk is a unique phenomenon in the period of rapid growth of dairy consumption in developing countries. Processing companies use milk powder to produce reconstituted milk (reconstituted milk, the emulsion obtained by mixing dry or concentrated dairy products with water in proportion) is easy to operate, low-risk, and does not require the construction of milk source bases, but it seriously damages the interests of farmers , Violating consumers' right to know. What's more serious is that reconstituted milk completely cuts off the responsibility relationship between processing enterprises and farmers to jointly improve the quality of raw milk, making imported milk powder an overseas milk source base for my country. [0003...

Claims

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Application Information

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IPC IPC(8): G01N30/02
Inventor 王加启郑楠文芳李松励张养东赵圣国
Owner INST OF ANIMAL SCI CAAS
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