| Compounds | Content |
|---|---|
| Caryophyllene | 33.44% |
| 3-Carene | 7.58% |
| Eugenol | 7.39% |
| D-Limonene | 6.7% |
| Zingiberene | 6.68% |
| Cubenol | 3.64% |
| Germacrene D | 3.41% |
| Heptadecane | 2.74% |
| Cadina-1,4-diene | 2.45% |
| beta-Elemene | 2.33% |
| beta-Eudesmol | 2.3% |
| beta-Pinene | 2.26% |
| Calamenene | 1.8% |
| beta-Cubebene | 1.78% |
| alpha-Phellandrene | 1.59% |
引用文献:
Liu L, Song G, Hu Y. GC–MS Analysis of the Essential Oils of Piper nigrum L. and Piper longum L[J]. Chromatographia, 2007, 66(9): 785-790.