Table 1. The bioactive compound of P. crocatum ( Suri et al. 2021).
| Extract type | Chemical compound | Percentage |
|---|---|---|
| Betel leaf extract | Alkaloids | |
| Carbohydrate | ||
| Water | ||
| Tannins | ||
| Phenol | ||
| Flavonoids | ||
| Essential oil | ||
| Betel leaf essential oil | Carvacrol (7) | |
| Eugenol ( 1) | 28.44 | |
| Chavicol ( 8) | ||
| Allylcatechol ( 9) | ||
| Cinema | ||
| Estragole ( 10) | ||
| Caryophyllene ( 11) | ||
| Pcymenedaneugenol Metil eter-19 | ||
| Safrole ( 12) | 27.48 | |
| Selinene ( 13) | 7.32 | |
| Methyl eugenol ( 14) | 1.46 | |
| Germacrene D ( 15) | 0.91 | |
| Eugenyl Acetate ( 16) | 1.72 | |
| Isosafrole ( 17) | 1.62 |