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Gas chromatography–mass spectroscopy analysis of chemical components in the sample
| Peak | Retention time | Percentage area | Chemical components | Qual |
|---|---|---|---|---|
| 1 | 4.694 | 50.87 | Benzoic acid | 97.4 |
| 2 | 6.745 | 13.48 | Vanillin | 96.89 |
| 3 | 7.059 | 100 | (Z)-3-Phenyl-2-propenoic acid (Cis cinnamic acid) | 99.14 |
| 4 | 7.834 | 24.68 | 2-Propanone, 1 -(4-hydroxy-3-methoxyphenyl) | 97.13 |
| 5 | 8.222 | 14.67 | Eugenol | 87.79 |
