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International Journal of Phytomedicine and Phytotherapy

Table 3 In vitro inhibitory effects of different solvent fractions fractions of P. guineense on α- glucosidase activity

From: In vitro antidiabetic potentials, antioxidant activities and phytochemical profile of african black pepper (Piper guineense)

Fraction

Concentration(mg/ml)

% Inhibition ± SEM

IC50 (mg/ml) ± SEM

AQUEOUS

5.00

69.91 ± 0.01

2.90 ± 0.43

2.50

61.44 ± 0.40

1.25

54.77 ± 0.30

0.625

52.97 ± 0.20

0.3125

21.98 ± 0.68

0.15625

17.66 ± 0.67

BUTANOL

5.00

62.33 ± 2.06

0.83 ± 0.15

2.50

58.90 ± 2.96

1.25

57.10 ± 2.84

0.625

51.66 ± 6.30

0.3125

36.34 ± 7.25

0.15625

21.77 ± 3.36

DCM

5.00

70.30 ± 2.57

1.91 ± 0.03

2.50

56.91 ± 3.35

1.25

54.94 ± 2.47

0.625

47.23 ± 2.47

0.3125

30.80 ± 1.03

0.15625

27.03 ± 0.10

ETHYLACETATE

5.00

82.32 ± 2.87

0.24 ± 0.07

2.50

74.19 ± 3.56

1.25

63.06 ± 0.27

0.625

61.80 ± 0.66

0.3125

56.75 ± 0.93

0.15625

40.53 ± 1.25

ACARBOSE

5.00

23.81 ± 1.15

1.46 ± 0.21

2.50

22.08 ± 0.75

1.25

20.35 ± 0.43

0.625

17.75 ± 0.43

0.3125

12.55 ± 0.12

0.15625

10.02 ± 0.07