Which key aromatic and active compounds does this Sichuan pepper oil contain?
Sichuan pepper oil combines monoterpene aroma compounds with the unique alkamide sanshools that create the numbing "ma" sensation.
Key Compounds
| Compound | Type | Reference level | Role |
|---|---|---|---|
| Sanshool (hydroxy-α-sanshool, 花椒麻素) | Alkamide | 2.47% avg. (Shaanxi oil); 5.2%–6.1% (Hanyuan green pepper) | The numbing-tingling "ma" sensation — signature trigeminal active |
| Limonene (柠檬烯) | Monoterpene | 24.7% (Shaanxi oil) | Bright citrus top note |
| Linalool (芳樟醇) | Monoterpene alcohol | Major | Floral-woody freshness, key aroma contributor |
| Myrcene (月桂烯) | Monoterpene | Characteristic | Fresh, resinous-peppery spice |
| Sabinene (桧烯) | Monoterpene | Characteristic | Peppery-woody lift |
| Caryophyllene (石竹烯) | Sesquiterpene | Characteristic | Warm spicy-woody body |
- Total alkamides ≥ 21.5% in optimized two-stage SFE-CO2 extracts (CN201610891595)
- Volatile-oil content of premium Hanyuan pepper ranges 5%–17% of the raw spice
- The alkenamide structure (conjugated unsaturation) is what makes the numbing sensation unique — it stimulates touch and temperature receptors rather than taste buds
Relate Products
This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.
