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Table 1 Level of free radical inhibition by extracts from R. caffra as accessed on DPPH

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

Extract source

Free radical inhibition (%)

Leaves

70.55 ±1.26

Stem bark

79.65 ± 1.86

Commercial quercetin (positive control)

82.63 ± 2.00

Methanol (negative control)

0.00 ± 0.00

  1. Commercially available quercetin was used as control.
  2. Inhibition values (%) are the means of triplicate measurement (n = 3) ± STD.
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BMC Complementary Medicine and Therapies

ISSN: 2662-7671

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