Table 7.
Phenolic compound contents (mg/g) of the ethyl acetate extract of C. crenata leaf identified and quantified by GC-MS and HPLC, respectively.
| Compounds | Retention Time (min) | Quantity (mg/g Extract) | Quantity (mg/g Leaves) |
|---|---|---|---|
| Gallic acid | 12.6 | 3.15 ± 0.32a | 0.71 ± 0.0.13b |
| Protocatechuic acid | 17.05 | 0.49 ± 0.02c | 0.11 ± 0.01c |
| p-Hydroxybenzoic acid | 20.58 | 0.30 ± 0.01c | 0.07 ± 0.00c |
| Caffeic acid | 21.6 | Trace; <0.01 mg | Trace; <0.01 mg |
| Ferulic acid | 24.58 | 3.24 ± 0.31a | 0.73 ± 0.10b |
| Ellagic acid | 28.25 | 1.74 ± 0.03b | 2.26 ± 0.21a |
| Cinnamic acid | 29.62 | Trace; <0.01 mg | Trace; <0.01 mg |
Each value represents the mean of five replicates ± SE (standard errors). Means with similar letters in a column are not significantly different at p < 0.05; tr: trace.