International Journal of Phytomedicine and Phytotherapy
Table 8 Free radical scavenging activities of S. caryophyllatum bark, leaf, fruit pulp, seed methanol extracts and standard antioxidants (Ascorbic acid and Gallic acid)
From: Screening of phytochemical and pharmacological activities of Syzygium caryophyllatum (L.) Alston
|  | IC50 (μg/ml) | |||
|---|---|---|---|---|
Samples | DPPH | ABTS | α -amylase | α -glucosidase |
Bark | 19.07 ± 0.2 | 10.26 ± 0.06 | 191 ± 3.2 | 53.75 ± 1.6 |
Leaf | 34.9 ± 1.2 | 13.2 ± 0.03 | 265.4 ± 5.7 | 57.8 ± 0.3 |
Fruit pulp | 69.4 ± 0.7 | 120.2 ± 0.4 | 291.5 ± 4.3 | 61.8 ± 0.1 |
Seed | 41.68 ± 0.6 | 20.1 ± 0.14 | 265 ± 1.8 | 56.1 ± 0.2 |
Ascorbic acid | 9.55 ± 0.01 | 5.6 ± 0.03 | – | – |
Gallic acid | 7.05 ± 0.09 | 4.9 ± 0.05 | – | – |
Acarbose | – | – | 194.2 ± 5.1 | 41.13 ± 0.4 |