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Main composition of PKE obtained by using HPLC.
| Phytochemistry components | Concentration (mg/L) |
|---|---|
| α-Tocopherol | 126.72 ± 0.69 |
| Riboflavin | 81.77 ± 0.90 |
| Protocatechuic acid | 37.71 ± 0.24 |
| β-Carotene | 27.45 ± 0.15 |
| Luteolin | 2.95 ± 0.01 |
Note: Main composition of PKE obtained by using high-performance liquid chromatography (HPLC).
