How do you ensure batch-to-batch consistency for this wintersweet oil?
Consistency starts at the field: blossoms are harvested at the same winter flowering stage from fixed collecting areas, then distilled on standardized water-steam or SFE-CO₂ parameters. Every batch is released on GC-MS fingerprint match to a retained reference plus density/refractive index checks.
Consistency Management
| Item | Detail |
|---|---|
| Harvest control | Fixed flowering stage, Dec–Feb, fixed origins |
| Process control | Standardized steam / SFE-CO₂ parameters, same equipment |
| Analytical release | GC-MS fingerprint vs. retained reference (96–100 constituents) |
| Physical release | Density 0.880–0.940, RI 1.455–1.485 (20°C) |
| Retained samples | Held for at least 24 months per batch |
- Contract supply can blend winter harvest runs to balance seasonal variation
- A pre-shipment sample from the exact batch is available on request
Ask for a batch-comparison file (GC-MS of two consecutive batches) to verify the stability for yourself.
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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.
