GB19169-2026
Spawn of Auricularia heimuer
黑木耳菌种
GB 19169-2026 is an upcoming mandatory Chinese national standard for Spawn of Auricularia heimuer. It appears in the Food compliance cluster with a product safety focus and has an implementation date of May 1, 2027.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
This standard applies to the production, management, and trade of Auricularia heimuer spawn (wood ear mushroom). It covers mother spawn, stock spawn, cultivation spawn, and liquid spawn. It is mandatory for all manufacturers and traders involved in the Auricularia heimuer spawn industry in China. The standard replaces the previous GB 19169-2003.
Technical requirements
The standard specifies comprehensive requirements for spawn containers, including types, appearance, and sealing methods for different spawn categories. It introduces new variety characteristics requirements and biological requirements, ensuring that the spawn meets specific agronomic traits and is free from contaminants and pests. For mother spawn, the standard outlines sensory requirements, mycelial growth speed, and spawn vitality. It details the acceptable appearance of mycelium and colony characteristics without providing exact numerical thresholds in this summary. For stock spawn and cultivation spawn, it defines sensory parameters, growth speed, and vitality. Manufacturers must ensure the media adheres to the container walls and meets specific vitality germination timeframes. Notably, the standard adds specific quality requirements for liquid spawn, including sensory characteristics, mycelium volume ratio, fermentation termination pH, and vitality. Compliance with these new liquid spawn parameters is essential for market access.
Testing methods
The standard describes various testing methods, including visual inspection for containers and sensory parameters. Microscopic examination is used to verify mycelial morphology and clamp connections. Specific tests for mold, yeast, and bacteria contamination are conducted using PDA and nutrient broth media. Additionally, it outlines procedures for determining mycelial growth speed, observing spawn vitality, and measuring pH and mycelium volume ratio for liquid spawn.
FAQs
What products are regulated under GB 19169-2026?
GB 19169-2026 regulates Auricularia heimuer spawn, specifically covering mother spawn, stock spawn, cultivation spawn, and liquid spawn.
Are there any updates from the previous version of GB 19169?
Yes, compared to GB 19169-2003, the 2026 version adds requirements for variety characteristics, spawn vitality, and liquid spawn quality. It also updates container, sensory, and testing method requirements.
Does GB 19169-2026 include requirements for liquid spawn?
Yes, the standard introduces new quality requirements for liquid spawn, including sensory characteristics, mycelium volume ratio, fermentation termination pH, and spawn vitality.
The summary above provides a high-level overview of GB 19169-2026. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 19169-2026 today to access all detailed parameters, tables, and testing procedures.
Applicability hints
- Type
- Product
- CCS
- B39
- ICS
- 65.020.20
- Competent department
- Ministry of Agriculture and Rural Affairs
- Technical committee
- Ministry of Agriculture and Rural Affairs
Relationships
Replaces:GB 19169-2003 (Current)