Natural complex substances (NCSs) in which this material typically occurs.
| NCS | Botanical | Typical % |
|---|---|---|
| Cubeb oil | Piper cubeba L. f. | 3.7% |
| Calamus oil | Acorus calamus L. | 0.7% |
| Verbena oil and absolute (Lippia citriodora Kunth.) | Lippia citriodora (L.) Kunth | 0.1% |