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Table 7 Phytochemicals in different extracts of P. guineense leaf and seed

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

Phytochemicals Methanol extract of P. guineense leaf Aqueous extract of P. guineense leaf Methanol extract of P. guineense seed Aqueous extract of P. guineense seed
Alkaloids + + + +
Saponins + + + +
Tannins + + + +
Phlobatannins
Anthraquinones
Flavonoids + + + +
Cardiac glycosides + + + +
  1. negative, + positive
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