Table 2.
GC-MS analysis of the phenolic compounds of APE
| NO | Compounds | Retention time (min.) | Sum area % | Molar mass (gmol−1) |
|---|---|---|---|---|
| 1 | (+)-Catechin [(2R,3S)-3′,4′,5,7-tetrahydroxyflavan-3-ol] | 14.82 | 1.13 | 290 |
| 2 | Resorcinol (Benzene-1,3-diol) | 14.31 | 1.69 | 110 |
| 3 | Hydroquinone, 2,6-di-tert-butyl- [1,4 benzenediol, 2,6-bis (1,1 dimethylethyl)] | 14.8 | 2.31 | 222 |
| 4 | Resveratrol (3,5,4′-trihydroxy-trans-stilbene) | 22.3 | 0.5 | 228 |
| 5 | Fisetin (3, 7, 3′, 4′-tetrahydroxyflavone) | 18.31 | 0.56 | 286 |
| 6 | Cyanidin cation [2-(3,4-dihdroxyphenyl)-3,5,7-trihydroxychromenylium] | 18.29 | 1.21 | 287 |
| 7 | Butylated hydroxytoluene (2,6-Bis(1,1-dimethylethyl)-4-methylphenol) | 19.94 | 1.91 | 220 |
| 8 | Patchoulene [1H-3a,7methanoazoulene, 2,3,6,7,8a hexahydro-1,4,9,9 tetramethyl-(1.alpha., 3a. alpha., 7. alpha., 8a. beta)] | 12.01 | 5.99 | 204 |
| 9 | Sinapic acid [3-(4-hydroxy-3,5-dimethoxyphenyl)prop-2-enoic acid] | 11.89 | 3.89 | 224 |
| 10 | Geranyl isovalerate (Trans-3,7 dimethyl-2,6-octadien-1-YL isopentanoate) | 16.29 | 0.73 | 238 |
| 11 | β-Humulene (1,4,4-trimethyl-8-methylenecycloundeca-1,5-diene) | 11.43 | 4.81 | 204 |