GB 4789.46-2024
National Food Safety Standards Food Microbiology Inspection Sampling and Sample Processing of Fresh Fruits and Vegetables and Their Products, Edible Fungi Products, Nuts and Seeds (English Version)

Standard No.: GB 4789.46-2024
Language: Chinese, Available in English version
Release Date: 2024
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB 4789.46-2024

Introduction

Interpretation of GB4789.46-2024 National Food Safety Standard

Standard dimensions	Old version requirements	New version requirements
Scope of application	GB/T4789.24—2003 and GB/T4789.33—2003	Sampling and sample processing methods for fresh fruits and vegetables and their products, edible fungus products, nuts and seeds.
Main changes	- Modified the standard name- Deleted the culture medium and reagent requirements	- Modified the equipment and material requirements- Added detailed sampling methods- Updated the sample processing process

Standard background and technical evolution analysis

GB4789.46-2024 is a comprehensive upgrade of the old version of the standard, mainly for fresh fruits and vegetables and their products, edible fungi products and nuts and seeds. The new standard deletes outdated content and introduces more modern technical requirements to ensure that the detection process is more scientific and efficient.

Equipment and Material Specifications

Sampling tools: Stainless steel or other materials of appropriate strength, smooth surface, no cracks, and rounded corners. Must be clean, sterile, and kept dry before use.
Sample container: Materials include glass, stainless steel or plastic, etc., and the structure should ensure the original state of the sample. The container and lid must be clean, sterile, dry, and have sufficient volume to ensure that the sample is fully mixed.
Other supplies: Including alcohol lamp, thermometer, aluminum foil, sealing film, marker, sampling registration form, etc.

Sampling principles and methods

The sampling principles and schemes shall be implemented in accordance with GB4789.1. The number of samples n shall be determined according to the requirements of relevant food safety standards. The sampling volume of each sample shall not be less than 5 times the sample volume of the inspection unit or determined according to the inspection purpose.

Sample handling process

Open the package or place the sterile sampling container for the sample with aseptic operation. For different types of samples, the corresponding homogenization and dilution methods shall be adopted, and the pH value shall be adjusted or emulsifiers shall be added when necessary.

Implementation recommendations

To ensure the effective implementation of the standard, it is recommended that food production enterprises:

Equip sampling tools and sample containers that meet the requirements.
Train professionals to master aseptic operation techniques.
Establish detailed sampling and handling records.
Regularly verify the effectiveness of the test method.

GB 4789.46-2024 history

2024 GB 4789.46-2024 National Food Safety Standards Food Microbiology Inspection Sampling and Sample Processing of Fresh Fruits and Vegetables and Their Products, Edible Fungi Products, Nuts and Seeds