GH/T 1441-2023
Technical regulations for the production of freeze-dried Cordyceps militaris (English Version)
- Standard No.
- GH/T 1441-2023
- Language
- Chinese, Available in English version
- Release Date
- 2023
- Published By
- Professional Standard - Supply and Marketing Cooperative CN / GH
- Latest
- GH/T 1441-2023
- Introduction
Analysis of the core content of the standard
GH/T 1441-2023 standard systematically regulates the vacuum freeze-drying processing technology using fresh Cordyceps fruiting bodies as raw materials, focusing on controlling key parameters such as moisture content ≤8% and drying temperature 50-65℃.
Process Comparison Analysis
Process Stage Temperature Control Key Indicators Equipment Requirements Pre-freezing ≤-35℃ Center Temperature≤-18℃ Deep Cold Storage Sublimation Drying 50-55℃ Vacuum Degree≤60Pa Vacuum Freeze Dryer Analytical Drying 65℃→60℃ Water Content≤8% Temperature control accuracy ±1℃
Key technical requirements
Metal detection dual-machine verification mechanism
The standard innovatively requires the use of two metal detectors for 180° cross detection, and the detection sensitivity must reach: 1.8mm for iron/1.8mm for non-ferrous metal/2.0mm for stainless steel, which is more than 40% more reliable than traditional single-machine detection.
Implementation recommendations
- Temperature control gradient management: It is recommended to use a three-stage temperature increase of 55℃→60℃→65℃ during the analytical drying stage to avoid loss of active ingredients
- Humidity control: It is recommended to add a dehumidifier unit in the packaging process to ensure that the ambient humidity is ≤40%
- Process validation: Each batch should undergo freeze-drying endpoint validation (eutectic point test + moisture determination)
Standard evolution analysis
Compared with the 2015 version of the industry specification, this version has the following major upgrades: Drying endpoint determination standard (newly added center temperature consistency requirements), metal detection method (double machine verification), packaging material specification (clarified moisture-proof oil treatment requirements).
GH/T 1441-2023 Referenced Document
- GB 14881-2013 National Food Safety Standards General Hygienic Practices for Food Production
- GB 7096 National Food Safety Standard Edible Fungi and Their Products
- GB 9683 Hygienic standard for composite laminated food packaging bag
- GB/T 191 Packaging and Storage Graphic Symbols Mark*， 2025-08-29 Update
- GB/T 6543 Single Wall Corrugated Boxes and Double Wall Corrugated Boxes for Transportation Packaging*， 2025-05-30 Update
GH/T 1441-2023 history
- 2023 GH/T 1441-2023 Technical regulations for the production of freeze-dried Cordyceps militaris
