Skip to main content

International Journal of Phytomedicine and Phytotherapy

Table 4 In vitro inhibitory effects of different solvent fractions of P.guineense on the activity of dipeptidyl peptidase –IV (DPP-IV)

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

49.06 ± 0.40

4.60 ± 0.87

2.50

45.28 ± 1.47

1.25

35.85 ± 1.08

0.625

20.75 ± 0.29

0.3125

4.72 ± 0.18

0.15625

1.52 ± 0.10

BUTANOL

5.00

54.38 ± 0.10

3.22 ± 0.03

2.50

49.70 ± 2.56

1.25

40.75 ± 0.18

0.625

35.36 ± 0.96

0.3125

17.54 ± 0.28

0.15625

4.65 ± 0.10

DCM

5.00

73.70 ± 2.50

1.83 ± 0.35

2.50

50.96 ± 1.80

1.25

48.49 ± 1.09

0.625

48.19 ± 0.06

0.3125

45.12 ± 0.20

0.15625

10.38 ± 1.40

ETHYL ACETATE

5.00

58.50 ± 0.05

1.45 ± 0.12

2.50

55.35 ± 0.40

1.25

51.05 ± 0.38

0.625

46.02 ± 0.20

0.3125

43.31 ± 0.60

0.15625

18.67 ± 0.84

VIDAGLIPTIN

5.00

8.95 ± 0.10

0.07 ± 0.01

2.50

16.09 ± 3.20

1.25

38.50 ± 0.20

0.625

48.60 ± 2.55

0.3125

60.50 ± 1.08

0.15625

69.05 ± 0.20