Quality Control & Testing¶
Domain: HJ-TD-QC
Documents: 7
Last Updated: July 2026
This domain covers the comprehensive quality assurance framework for potato flake and powder products, including physical, chemical, and microbiological testing methods, rehydration performance evaluation, Certificate of Analysis interpretation, and full batch traceability.
Documents¶
| # | Document | Description |
|---|---|---|
| 1 | Quality Assurance System Overview | QA framework, quality policy, organizational structure, document control |
| 2 | Physical Specifications: Particle Size, Bulk Density, Color | Testing methods for particle size distribution, bulk density, and color measurement |
| 3 | Chemical Analysis: Dry Matter, Starch, and Sugars | Analytical methods for dry matter, starch content, reducing sugars, and total sugars |
| 4 | Microbiological Testing Protocol | Standard methods for TPC, coliforms, E. coli, Salmonella, yeast & mold |
| 5 | Rehydration Performance Test Method | Standardized rehydration ratio, texture, and water absorption test protocols |
| 6 | Certificate of Analysis Guide | COA structure, parameter interpretation, buyer verification guide |
| 7 | Batch Traceability System | Full-chain traceability from seed to finished product shipment |
Explore on Hongji Agriculture Main Website¶
- Quality Assurance — our QA systems and standards
- HACCP Program — hazard analysis and critical control points
- Certificates — our certifications
- Request a Quote — contact our sales team
This document is part of the Hongji Agriculture (弘基农业) Technical Documentation Series. For more information about our vertically integrated potato supply chain — from seed breeding and cultivation to processing and global export — visit our official B2B website: https://hjpotatoflakes.com