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Table 2 Inhibition concentrations of the test samples scavenging 50% of DPPH radical (IC50)

From: Antimicrobial and antioxidant activity of kaempferol rhamnoside derivatives from Bryophyllum pinnatum

Test samples (extracts and isolates 1-7 from EtOAc extract) IC50 (μg/ml)
MeOH extract 52.48 ± 0.19a
EtOAc extract 78.11 ± 0.61b
n-hexane extract 90.04 ± 1.26c
1 8.73 ± 0.51d
4 273.81 ± 0.43e
3 487.99 ± 0.81f
6 6.44 ± 0.74g
5 2.28 ± 0.12h
7 0.71 ± 0.09i
Vitamin C 0.96 ± 0.14j
  1. Values are expressed as mean ± SD. In the same column, values affected by the different superscript letters (a-j) are significantly different p < 0.05.