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GB 5009.183-2025 English PDF

GB 5009.183-2025 English PDF

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GB 5009.183-2025: National food safety standard - Determination of urease in food

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Scope

This Standard specifies the method for determining urease activity in food.
The first method - Nessler’s reagent colorimetric method is applicable to the qualitative
determination of urease activity in beverages containing soybean ingredients, infant formula,
infant complementary foods, dairy products, special medical-purpose formula foods, soybean
protein peptides and soy products.
The second method - titration method is applicable to the quantitative determination of urease
activity in soy protein, soya flour and soymilk powder.
Method I - Nessler’s Reagent Colorimetric Method

Basic Data

Standard ID GB 5009.183-2025 (GB5009.183-2025)
Description (Translated English) National food safety standard - Determination of urease in food
Sector / Industry National Standard
Classification of Chinese Standard X09
Word Count Estimation 9,946
Date of Issue 2025-03-16
Date of Implementation 2025-09-16
Issuing agency(ies) National Health Commission of the People's Republic of China, State Administration for Market Regulation


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