How do you ensure batch-to-batch consistency of this perilla leaf oil?
Consistency is locked by a GC-MS fingerprint release system: every batch must match the reference fingerprint within a ±15% tolerance on key markers before it can ship.
Consistency Control
| Control Point | Measure |
|---|---|
| Raw material | Sourcing from fixed Dao-di farms; fresh purple leaves only, screened for chemotype (PA) |
| Processing | Fixed SOP for steam distillation / SFE-CO2 parameters (temperature, pressure, time) |
| Release testing | GC-MS fingerprint vs. reference — key markers within ±15% |
| Sensory | Trained panel check on aroma, color, appearance per batch |
| Blending | Consistent lots are homogenized before filling large orders |
- Key markers monitored: perillaldehyde, D-limonene, perillaketone, β-caryophyllene
- Batch records are traceable to farm and harvest date
- If a specification requires tighter control (±10%), a dedicated fixed-source run can be arranged
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