Is a Certificate of Analysis (COA) provided for every batch, and what does it include?
Yes — every batch ships with a full COA covering identity (botanical name, product code, batch number, production date), appearance/odor, color, relative density, refractive index, moisture, acid value, peroxide value, GC-MS composition summary and safety data (heavy metals, microbiology where applicable), issued against the GB/T 44288-2025 framework and GB/T 14454/14455 test methods.
COA Contents
| Block | Items |
|---|---|
| Identity | Botanical name, product code, batch, production date |
| Physical | Appearance, color, density, refractive index |
| Chemical | Moisture, acid value, peroxide value, GC-MS summary |
| Safety | Heavy metals, residual solvents, microbiology (as applicable) |
| Reference | GB/T 44288-2025 framework + company QC limits |
- Additional tests (allergens, pesticide residues, specific compounds) on request
- Retained samples stored for at least 24 months for traceability
- COA is issued by our quality laboratory before shipment
Request the batch COA with your quotation for review.
This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.