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Table 1 Antioxidant and antidiabetic activities (IC50 values) of the crude extract, fractions, and certain compounds of DP via DPPH radical scavenging and α-glucosidase inhibitory assays

From: Antioxidant and antidiabetic flavonoids from the leaves of Dypsis pembana (H.E.Moore) Beentje & J.Dransf., Arecaceae: in vitro and molecular docking studies

Sample

Antioxidant% [µg/ml]

α-glucosidase inhibitory % [µg/ml]

Crude extract

11.56 ± 0.59

> 1000

n-Hexane fraction

160.67 ± 8.41

-

CH2Cl2 fraction

33.01 ± 2.13

214.9 ± 0.58

EtOAc fraction

14.20 ± 0.72

60.4 ± 1.2

Aqueous fraction

21.91 ± 1.46

-

4

13.31 ± 0.78

37.19 ± 2.06

5

4.75 ± 0.52

223.70 ± 7.49

8

3.61 ± 0.31

418.02 ± 8.28

9

74.12 ± 3.68

18.38 ± 1.27

10

3.30 ± 0.27

91.29 ± 3.46

Ascorbic acid (Standard)

10.22 ± 0.64

-

Acarbose (Standard)

-

3.12 ± 0.28