Research Article
Radical Scavenging, Proteases Activities, and Phenolics Composition of Bark Extracts from 21 Medicinal Plants
Table 1
Total phenols, % scavenging of DPPH, % inhibition of trypsin, and IC50 value of medicinal plants.
| | Plant name | TP (mg GAE/g crude extract) | DPPH scavenging (%) | IC50 (μg/mL) | Trypsin inhibition (%) | Reported phenols |
| | A. catechu | 608 ± 20 | 90 ± 1 | 8 ± 1 | 43 ± 2 | Flavonol derivative | | A. lebbeck | 625 ± 26 | 92 ± 1 | 19 ± 2 | 25 ± 1 | — | | A. modesta | 661 ± 15 | 92 ± 2 | 8 ± 1 | 37 ± 2 | — | | A. nilotica | 715 ± 17 | 95 ± 2 | 6 ± 1 | 52 ± 3 | Epicatechin, flavonol, and catechin derivatives | | C. fistula | 597 ± 13 | 88 ± 1 | 4 ± 1 | 56 ± 3 | Catechin, flavonol derivative | | C. zeylanicum | 627 ± 10 | 92 ± 1 | 13 ± 3 | 32 ± 2 | Epicatechin derivative | | E. jambolana | 692 ± 24 | 95 ± 2 | 12 ± 2 | 46 ± 2 | Ellagic acid, kaempherol derivative | | E. suberosa | 564 ± 16 | 88 ± 1 | 28 ± 4 | 27 ± 1 | — | | F. benghalensis | 618 ± 24 | 89 ± 1 | 16 ± 2 | 21 ± 1 | Leucopelargon derivative, leucocyanidin | | F. infectoria | 576 ± 21 | 88 ± 1 | 24 ± 3 | 28 ± 1 | — | | F. racemosa | 692 ± 27 | 95 ± 2 | 11 ± 2 | 25 ± 2 | Racemosic acid, bergenin | | F. religiosa | 635 ± 15 | 90 ± 1 | 9 ± 2 | 32 ± 1 | — | | P. guajava | 656 ± 10 | 91 ± 1 | 15 ± 2 | 30 ± 1 | Catechin derivative | | P. granatum | 712 ± 9 | 96 ± 1 | 7 ± 1 | 27 ± 2 | Ellagic acid, isoflavone, and gallic acid derivative | | P. longifolia | 528 ± 16 | 87 ± 1 | 65 ± 5 | 22 ± 2 | — | | P. roxburghii | 570 ± 22 | 87 ± 1 | 11 ± 2 | 39 ± 2 | Ferulic acid derivative | | M. champaca | 650 ± 25 | 91 ± 1 | 13 ± 3 | 33 ± 3 | — | | M. elengi | 706 ± 9 | 94 ± 1 | 3 ± 0 | 29 ± 2 | Myricetin-3-rhamnoside | | M. indica | 700 ± 13 | 96 ± 2 | 12 ± 1 | 36 ± 1 | 1,7-dihydroxy xanthone, gallic acid and chromone derivative | | Z. jujuba | 670 ± 17 | 94 ± 1 | 17 ± 2 | 44 ± 2 | Flavonol, quercetin and catechin derivative |
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Results are mean ± SD (); —: not found.
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