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