Which key aromatic and active compounds does this perilla leaf oil contain?
This is a PA-chemotype (perillaldehyde-dominant) oil. GC-MS typically identifies up to 97 compounds; the key aromatic and active constituents are listed below.
Key Compounds
| Compound | CAS | Typical Content | Function |
|---|---|---|---|
| Perillaldehyde (紫苏醛) | 18031-40-8 | 50–70% (PA-type typical) | Antimicrobial, anti-inflammatory, antioxidant; signature aroma |
| D-Limonene | 5989-27-5 | 5–15% | Fresh citrus note; expectorant |
| Perillaketone | 553-84-4 | 1–10% | Spicy-herbaceous nuance |
| β-Caryophyllene | 87-44-5 | 2–8% | Anti-inflammatory, analgesic; woody-spicy note |
| Perillyl Alcohol | 536-59-4 | 1–5% | Anti-tumor research compound; floral-green |
| β-Linalool | 78-70-6 | 1–5% | Calming; floral-fresh |
| Elsholtziaketone | 26039-53-8 | 0.5–3% | Herbaceous-spicy nuance |
| α-Pinene | 80-56-8 | 0.5–2% | Piney-fresh top note |
- The high perillaldehyde content (50–70%) is the basis of both the aroma and the antimicrobial/anti-inflammatory activity
- Perillyl alcohol is widely studied in anti-tumor research (colon, skin, lung)
- Rosmarinic acid (迷迭香酸, C18H16O8) is a key non-volatile marker: ≥ 0.11% per ChP, ≥ 3.2% per the 2025 Red Perilla Oil Quality Control Specification
- Full chromatogram with quantified peaks is provided with every batch COA
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