Do you provide a Certificate of Analysis (COA) for every batch?
Yes. Every batch of Sichuan pepper oil is released with a full Certificate of Analysis (COA), backed by GC-MS identity fingerprinting and HPLC quantification of sanshool amides.
COA Coverage
| Section | Parameters |
|---|---|
| Identity | GC-MS chromatographic fingerprint vs. reference (T/CFNA 6101-2020 regional profile) |
| Actives | Sanshool amide content by HPLC (hydroxy-α-sanshool etc.) |
| Physicochemical | Density (GB/T 11540-2008), refractive index (GB/T 14454.4-2008), peroxide value (GB 5009.227-2023) |
| Purity | Solvent residues (none), moisture, foreign matter |
| Safety | Heavy metals (GB 2762), pesticide residues (GB 2763), microbial counts |
| Traceability | Botanical origin, harvest region, extraction method, batch number, date |
- COA is issued within 3 working days of batch release
- GC-MS and HPLC raw spectra can be shared under NDA
- In-house + third-party (CNAS-accredited) dual testing available on request
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This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.
