GB 5009.293-2023

National Food Safety Standard Determination of Glyceryl Monocrylate in Foods (English Version)

Standard No.

GB 5009.293-2023

Language

Chinese, English version preview

Release Date

2023

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB 5009.293-2023

Introduction

GB 5009.293-2023 Standard Overview

This standard specifies the gas chromatography and gas chromatography-mass spectrometry determination methods for monocaprylin in foods. It is applicable to the determination in raw wet noodle products, bean fillings, cakes, baked foods, beverages and surface hanging paddles (only bean fillings), meat sausages, algae strips and other foods.

Comparison of standard frameworks

Detection method	Scope of application	Reagent requirements	Instruments and equipment	Qualitative and quantitative methods
Gas chromatography (GC)	Raw wet noodle products, bean fillings, cakes, etc.	Chromatographic pure reagents, first-grade water	GC with FID detector	Qualitative by retention time, quantitative by external standard method
Gas chromatography-mass spectrometry (GC-MS)	Bean fillings, cakes, meat sausages, etc.	Same as GC method, equipped with electron bombardment ion source	GC-MS with SIM mode	Qualitative analysis by SIM monitoring ions, quantitative analysis by external standard method

Background of standard formulation and analysis of technological evolution

With the increasingly stringent food safety supervision, the demand for detection of monocaprylin, as an important component of food additives, continues to increase. This standard combines the latest gas chromatography and mass spectrometry technologies to optimize the extraction, cleanup and determination processes to ensure the accuracy and reliability of the results.

Compared with the old version of the standard, the 2023 revised version introduces a gel permeation chromatography (GPC) cleanup step, which significantly improves the detection sensitivity, and achieves more accurate qualitative analysis through selected ion monitoring mode (SIM).

Implementation Recommendations

• Method selection:Depending on the type of food and testing requirements, the GC-MS method is preferred to obtain higher sensitivity and accuracy.
• Reagent and instrument preparation:Ensure that all reagents are chromatographically pure and regularly calibrate instruments and equipment, especially the performance parameters of GC and GC-MS systems.
• Sample pretreatment:Extraction and purification are performed strictly in accordance with standard operating procedures, especially when using n-hexane saturated ethanol and gel permeation chromatography, attention should be paid to temperature control and washing efficiency.
• Data recording and analysis:It is recommended to establish a complete data management system to ensure that each test report is traceable, and regularly verify the linear relationship and precision requirements of the standard curve.

GB 5009.293-2023 history

• 2023 GB 5009.293-2023 National Food Safety Standard Determination of Glyceryl Monocrylate in Foods

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