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GB 5009.31-2025 English PDF
GB 5009.31-2025 English PDF
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GB 5009.31-2025: National food safety standard - Determination of p-hydroxybenzoic acid esters in foods
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Scope
This Standard specifies the determination method for p-hydroxybenzoic acid esters (methylparaben, ethyl paraben, propyl paraben, isopropyl paraben, butyl paraben, isobutyl paraben and
heptyl 4-hydroxybenzoate) in foods.
The first method of this Standard, gas chromatography, is applicable to the determination of p-
hydroxybenzoic acid esters in foods (except heat-coagulated egg products, brewed sauce and
seasoning sauce).
The second method of this Standard, high performance liquid chromatography, and the third
method, liquid chromatography-tandem mass spectrometry, are applicable to the determination
of p-hydroxybenzoic acid esters in foods.
Method I - Gas Chromatography
Basic Data
Standard ID | GB 5009.31-2025 (GB5009.31-2025) |
Description (Translated English) | National food safety standard - Determination of p-hydroxybenzoic acid esters in foods |
Sector / Industry | National Standard |
Classification of Chinese Standard | X09 |
Word Count Estimation | 19,111 |
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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