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Table 2 Extraction yields and phytochemical composition of the plant extracts

From: Antibacterial activities of Beilschmiedia obscura and six other Cameroonian medicinal plants against multi-drug resistant Gram-negative phenotypes

Plant samples Part used in this study and extraction yield (%) Phytochemical composition
Alkaloids Anthocyanines Anthraquinones Flavonoids Phenols Saponins Tannins Sterols Triterpenes
Vepris soyauxii Leaves (6.17%), + + - + + + + + +
Stem bark (8.58%) + + + + + + + - +
Root bark (9.26%). + + - + + + + - +
Peperomia fernandopoiana Whole plant (7.28%) + + - + + - + + -
Crassocephalum biafrae Whole plant (4.86%) + - - - - - - + -
Entada gigas Leaves (5.86%) + - - - + - + - -
Cinchona succirubia Leaves (10.18%) + - - + + - + + -
Stem barks (10.96%) + + + + + - + - -
Beilschmiedia obscura Fruits (3.37%) + + - - + + + - +
Pachypodanthium staudtii Leaves (10%) + + + - + - + + -
Stems bark (9.4%) + + + + + - + + +
Root (6.25%). + + + + + + + - +
  1. (+): present; (-): absent.