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International Journal of Phytomedicine and Phytotherapy

Table 8 Chemical composition of the ethyl acetate fraction of P. guineense following GC-MS analysis

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

Peak

R. Time

Area%

Name

1

4.895

0.18

Pentanoic acid, 3-methyl-4-oxo-

2

6.038

0.03

Cyclohexanone

3

6.985

0.39

Ethane, 1,1,1-triethoxy-

4

9.421

0.03

Cyclopentane, 1,1,3-trimethyl-

5

9.864

0.85

Benzofuran, 2,3-dihydro-

6

610.125

0.12

2-Coumaranone

7

10.613

0.05

2-Isopropyl-5-methylphenyl 2-methylbutano

8

10.899

1.07

4-Hydroxy-2-methylacetophenone

9

11.159

1.80

3-Amino-4-piperonyl-5-pyrazolone

10

11.290

1.95

1,6-Anhydro-4-(3,4-methylenedioxyphenylm

11

11.377

1.59

3-Amino-4-piperonyl-5-pyrazolone

12

11.558

0.11

1-Tetradecene

13

12.764

27.35

Ethyl piperonyl cyanoacetate

14

13.439

0.39

Cetene

15

15.316

6.88

(R)-(−)-14-Methyl-8-hexadecyn-1-ol

16

15.454

1.00

Heptadecanal

17

15.656

5.36

Piperine

18

16.111

0.91

Tricosanoic acid, methyl ester

19

16.292

0.80

7-Hexadecenal, (Z)-

20

16.445

1.32

1,2-Benzenedicarboxylic acid, butyl octyl e

21

16.601

1.10

9-Tricosene, (Z)-

22

16.643

1.70

Octacosane

23

17.277

1.79

n-Nonadecanol-1

24

17.371

1.23

7-Octadecenoic acid, methyl ester

25

17.478

15.17

Phytol

26

17.716

1.83

2,10-Dodecadien-1-ol,3,7,11-trimethyl-(Z

27

18.013

4.08

Octacosane

28

18.133

4.12

Piperine

29

18.425

3.15

(R)-(−)-14-Methyl-8-hexadecyn-1-ol

30

19.186

1.27

1,2-Propanediol, 3-(octadecyloxy)-, diacetate

31

19.367

2.45

Octacosane

32

19.773

8.65

Benzene, (3-iodo-1-methoxy-1-methylpropy

33

20.326

0.58

Hexadecanoic acid, 2-hydroxy-1-(hydroxym

34

20.459

0.69

Di-n-octyl phthalate