Skip to main content

Table 8 Major bioactive chemical composition of P. guineense leaves and seeds extracts

From: Perforation index assessment of cowpea seeds against cowpea bruchid, Callosobruchus maculatus (Fabricius) [Coleoptera: Chrysomelidae], infestation using Piper guineense

Bioactive molecules

Retention time

Leaves (%)

Seeds (%)

β-Phellandrene

10.12

3.4

38.2

α-Phellandrene

10.12

4.5

7.2

Limonene

10.20

15.7

10.3

Ocimene

10.45

0.5

0.2

Linalol

10.90

1.5

4.6

a-Pinene

12.20

6.3

10.3

Pyridine

12.45

1.4

2.3

β-Pinene

12.70

48.4

55.6

β-Myrcene

13.26

1.4

2.5

α-Cubebene

13.52

3.0

1.0

α-Copaene

13.78

0.7

1.2

α-Caryophellene

14.19

4.1

17.6

α-Curcumene

14.80

1.2

1.0

(E, Z) α-Foreseen

15.21

3.9

1.9

cis-α-Bisabolene

15.00

1.0

0.6

Eugenol

19.89

1.3

3.7

Piperanol

20.39

3.2

7.9