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. 2021 Jul-Sep;16(3):394–401. doi: 10.18502/ijpa.v16i3.7092

Table 1:

Half inhibitory activity (IC50) and radical scavenging activity DPPH (EC50) of KalL and quercetin. Data are expressed as the mean ± SD (P < 0.05). Different letters within the same column are significantly different analyzed through the Tukey test.

Treatments IC50 (μg/mL) EC50 (μg/mL)

E. histolytica T. vaginalis DPPH assay
KalL 70.71 ± 3.08c 105.27 ± 5.19c 19.2 ± 2.5b
Quercetin 44.48 ± 3.92b 21.17 ± 2.60b 1.1 ± 0.1a
Metronidazole 0.17 ± 0.03a 0.09 ± 0.01a ND
Vitamin E ND ND 16.9 ± 1.4b

ND: Not determined