Skip to main content

Table 3 Phytochemical screening and antioxidant activity of stem bark fractions

From: Antagonistic effect of alkaloids and saponins on bioactivity in the quinine tree (Rauvolfia caffra sond.): further evidence to support biotechnology in traditional medicinal plants

Fraction Alkaloids Steroids Cardiac glycosides Saponins Terpenoids % inhibition
F A 5-10% HEX/DCM + + + + - 41.82 ± 3.3
F B & C 10-20% HEX/DCM + - - + - 15.68 ± 2.2
F D & E 30-40% HEX/DCM + - - - - *
F F 50-60% HEX/DCM + - - - - 62.99 ± 3.7
F G 70–80% HEX/DCM + + + - - 43.8 ±2.4
F H & I 90-100% HEX/DCM + - - - - *
F J 0.5-1% MEOH/DCM + - - - - *
F K & L 1-5% MEOH/DCM + + + - + 38.18 ± 3.6
F M 5-7% MEOH/DCM + + + - + 82.39 ± 1.4
F N 7-9% MEOH/DCM + + + + + 58.99 ± 1.9
F O 9-15% MEOH/DCM + + + + + *
F P 100% MEOH - + + - + *
  1. Legend; + present; - absent * not determined; HEX- Hexane.