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International Journal of Phytomedicine and Phytotherapy

Table 7 Chemical composition of the n-butanol 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 Retention Time Area % Name
1 4.794 0.34 Pentanoic acid, 3-methyl-4-oxo-
2 7.04 0.41 Phenol
3 7.300 0.48 But-3-enul (E)- 2methyl-2-enoate
4 7.826 0.25 Benzylamine, N-(3-chloro-2,2-dimethyl-1p)
5 8.184 0.28 p-Cresol
6 8.354 0.88 Phenol, 2-methoxy-
7 8.450 0.25 Cyclohexane, 1-propenyl-
8 9.283 0.19 Phenol, 3,4-dimethyl
9 9.575 0.21 Phenol, 3.4-dimethyl
10 9.674 0.20 1,2-Benzenediol, o-valeryl-
11 9.862 1.99 Benzofuran, 2,3-dihydro-
12 9.998 0.30 1H-Pyrrole-2,5-dione, 3-ethyl-4-methyl-
13 10.124 0.27 2-Coumaranone
14 10.271 0.06 Ethosuximide
15 10.311 0.08 Methyl 5-norbornene-2-carboxylate
16 10.631 0.36 2(1H)-Naphthalenone, 3,4,4a,5,6,7-hexahy
17 10.793 1.66 Indole
18 10.897 1.97 2-Methoxy-4-vinylphenol
19 10.973 0.37 1-Heptanol, 2-propyl-
20 11.090 0.11 2,2,3,3-Tetrathyloxirane
21 11.246 0.77 1,4-Butanediol, 2,3-bis(methylene)-
22 11.559 0.34 1-Dodecene
23 11.631 0.13 Oxalic acid, allyl nonyl ester
24 11.827 0.46 Vanillin
25 11.888 0.20 6,8-Nonadien-2-one, 6-methyl-5-(1-methyl
26 11.951 0.15 6,8-Nonadien-2-one, 6-methyl-5-(1-methyl
27 12.098 0.66 6,8-Nonadien-2-one, 6-methyl-5-(1-methyl
28 12.284 0.20 Phenol, 2-methyoxy-4-(1-propenyl)-, (Z)-
29 12.388 0.24 1b5,5,6a-Tetramethyl-octahydro-1-oxa-
30 12.542 0.44 2-Methyl-4-(2,6,6-trimethylcyclohex-1-enyl
31 12.661 0.27 5-Hepten-3-yn-2-ol,6-methyl-5-(1-methyle
32 12.899 0.28 2-Heptenal, 2-propyl-
33 12.996 0.46 2-Hydroxl-3,5,5-trimethyl-cyclohex-2-enor
34 13.077 0.49 4H-1,3,2-Dioxaborin, 6-ethenyl-2-ethyl-4-
35 13.133 0.67 5-Ethenyl-5-(1-methyl-3-butenyl)hexahydro
36 13.242 0.19 2(4H)-Benzofuranone,5,6,7,7a-tetrahydro
37 13.298 0.20 4′Ethoxy-2’hydroxyoctadecanophenone
38 13.440 0.47 E-14-Hexadecenal
39 13.599 0.14 Cyclopentanone, 2-(2-nitro-2-heptenyl)
40 13.706 0.17 3-Hexen-2-one, 3-cyclohexyl-4-ethyl
41 13.819 0.29 cis-Z-alpha-Bisbolene epoxide
42 13.967 1.02 trans-p-Mentha-2,8-dienol
43 14.102 1.70 2-Cyclohexen-1-one, 4-(3-hydroxy-1-buten
44 14.144 0.41 11-Isopropylidene-tricyclo[4,3,1,1(2,5)und
45 14.204 1.37 6-epi-shyobunol
46 14.297 2.05 3-Buten-2-one, 4-(2-hydroxy-2,6,6-trimethyl
47 14.444 3.35 3-Buten-2-one, 4-(4-hydroxy-2,6,6-trimethyl
48 14.631 0.90 2-Cyclohexen-1-one, 4-(3-hydroxybutyl)-3
49 14.893 0.85 4-((1E)-3-Hydroxy-1-propenyl)-2-methoxy
50 15.107 1.94 2H-Pyran, 2-(2-heptadecynyloxy) tetrahydro
51 15.167 1.45 1H-Indole, 3-(3,7,11,15-tetramethylhexade
52 15.266 2.88 2-Butenal, 2-methyl-4-(2,6,6-trimethyl-1-
53 15.309 6.74 9,10-Dimethyltricyclo [4.2.1.1(2,5)]decane
54 15.487 1.50 Spiro [4, 5] decan-7-one. 1,8-dimethyl-8,9
55 15.626 4.26 1-Cyclohexane-1-methanol alpha,2,6,6
56 15.775 1.43 Acetic acid, 10,11-dihydroxy-3,7,11trimethy
57 16.110 2.66 Hexadecanoicaci, methyl ester
58 16.451 3.48 Dibutyl phthalate
59 16.570 2.99 1,2-Benzenedicarboxylic acid, butyl octyl
60 17.071 1.37 9,9-Dimethoxybicyclo[3,3,1]nona-2,4-
61 17.124 1.85 Phthalic acid, isobutyl octadecyl ester
62 17.281 1.39 2-Dodecen-1yl (−) succinic anhydride
63 17.339 2.18 Cyclopropaneoctanoic acid, 2-
64 17.391 2.36 9,12,15-Octadecatrienoic acid ethyl ester
65 17.466 9.11 Phytol
66 17.710 2.66 Butane,1-(2,2-dichloro-3,3-dimethylcyclop
67 17.822 2.05 Decanediocacid,dibutyl ester
68 18.322 10.95 Tributyl acetylcitrate
69 18.652 2.11 1b,4a-Epoxy-2H-cyclopenta
70 20.311 3.09 Hexandecanoic acid
71 20.466 2.01 Bis(2-ethylhexyl)phthalate