Do you provide a Certificate of Analysis (COA) with every batch?
Yes. Every batch is released with a full Certificate of Analysis (COA) covering identity, purity, quality, and safety parameters.
COA Content
| Category | Parameters |
|---|---|
| Identity | Botanical name, part used, batch number, GC-MS fingerprint vs. reference |
| Active markers | Ligustilide (HPLC), butylidenephthalide, butylphthalide, ferulic acid |
| Physical | Relative density, refractive index, optical rotation, appearance, color |
| Chemical | Acid value, ester value |
| Safety | Heavy metals (Pb, Cd, As, Hg, Cu), pesticide residues, aflatoxin B1 (on request) |
| Microbiology | TPC, yeast & mold, pathogens (on request) |
- GC-MS report (ISO 11024) is included with every batch at no extra charge
- COA samples are retained for 24 months for complaint re-testing
- Digital COA is issued within 24 h of batch release; original paper COA ships with the goods
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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.
