| piper betle leaf oil | |||
| # | % | Leftshift | Components | 
|---|---|---|---|
| 10 | 1.18 | delta- | cadinene | 
| 16 | 1.19 | delta- | cadinol | 
| 2 | 0.35 | camphene | |
| 22 | 0.66 | caryophyllene oxide | |
| 15 | 0.36 | alpha- | costol | 
| 19 | 2.87 | decanal | |
| 20 | 4.23 | dodecanal | |
| 11 | 0.89 | gamma- | elemene | 
| 23 | 33.22 | eugenol | |
| 24 | 10.59 | iso | eugenol | 
| 18 | 2.46 | geraniol | |
| 21 | 0.41 | hexadecanoic acid | |
| 12 | 1.46 | linalool | |
| 26 | 2.33 | methyl benzoate | |
| 4 | 2.16 | myrcene | |
| 6 | 0.70 | (E)-beta- | ocimene | 
| 5 | 0.40 | (Z)-beta- | ocimene | 
| 9 | 0.63 | allo- | ocimene | 
| 3 | 6.13 | sabinene | |
| 25 | 6.45 | safrole | |
| 14 | 1.45 | terpinen-1-ol | |
| 7 | 1.60 | gamma- | terpinene | 
| 13 | 2.30 | alpha- | terpineol | 
| 8 | 0.50 | terpinolene | |
| 17 | 0.76 | 3,7,11,15- | tetramethyl-2-hexadecen-1-ol | 
| 1 | 1.90 | alpha- | thujene | 
A. K. S. Rawat, R. D. Tripathi, A. J. Khan and V. R. Balasubrahmanyam. Essential oil components as markers for identifiication of Piper betle L. cultivars. Biochem. Systemat. Ecol., 17, 35-38 (1989). P&F 18, No. 3, 61, (1993)  | |||