Evaluation of antimycobacterial, leishmanicidal and antibacterial activity of three medicinal orchids of Arunachal Pradesh, India

Table 6 Activity against promastigotes and intracellular amastigotes of Leishmania donovani, cytotoxicity in J774G8 macrophage cells of active fractions

Plant fractions	Promastigote IC₅₀ (μg/mL)	Amastigote IC₅₀ (μg/mL)	J774.G8 CC₅₀ (μg/mL)
RrR Et₂O	56.04 ± 0.20	18.42 ± 0.26	97.2 ± 1.2
SnP n-Hex	76.32 ± 2.30	23.80 ± 0.73	89.4 ± 4.7
SnF n-Hex	65.64 ± 0.22	22.16 ± 0.99	100.7 ± 1.7

Data is presented as the mean ± SD of three independent experiments
IC ₅₀ inhibitory concentration of 50% parasites, CC ₅₀ cytotoxicity concentration of 50% cells

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