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Chemical composition of the optimized extracts.
| Extract | TP | TF | Gla | Iso | Glycyrrhizin |
|---|---|---|---|---|---|
| (μg/mL) | (μg/mL) | (μg/mL) | (μg/mL) | (mg/mL) | |
| TP-opt | 854.6 ± 42.7 | 667.5 ± 42.7 | 9.62 ± 0.72 | 4.02 ± 0.26 | 4.31 ± 0.22 |
| Tpy-opt | 791.6± 48.0 | 521.4 ± 8.9 | 8.38 ± 0.17 | 3.51 ± 0.18 | 4.20 ± 0.17 |
| Gla-Iso-opt | 535.4 ± 32.1 | 692 ± 32.4 | 21.89 ± 1.09 | 6.23 ± 0.16 | 4.67 ± 0.34 |
TP, TF, Gla, Iso: concentration of total phenols, total flavonoids, glabridin and isoliquiritigenin, respectively.
