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Table 3 Zone of inhibition observed for Gram-positive bacteria Bacillus subtilis by different concentrations of extracts

From: Comparative phytochemical, antioxidant, and antibacterial study of different parts of Doigota plants (Bixa orellana L.)

SamplesZone of inhibition (mm)
10 mg/mL7.5 mg/mL5 mg/mL2.5 mg/mL
Aqueous extract (seed)10.1 ± 0.29.3 ± 0.38.2 ± 0.28.0 ± 0.2
Ethanolic extract (seed)13.0 ± 0.211.3 ± 0.210.0 ± 0.38.2 ± 0.2
Methanolic extract (seed)7.9 ± 0.27.5 ± 0.27.3 ± 0.37.1 ± 0.2
Aqueous extract (branch)8.6 ± 0.38.1 ± 0.37.8 ± 0.26.5 ± 0.2
Ethanolic extract (branch)10.9 ± 0.29.5 ± 0.28.3 ± 0.37.4 ± 0.3
Methanolic extract (branch)9.8 ± 0.38.8 ± 0.38.4 ± 0.27.1 ± 0.2
Aqueous extract (leaf)12.4 ± 0.29.3 ± 0.28.7 ± 0.28.0 ± 0.3
Ethanolic extract (leaf)12.9 ± 0.39.6 ± 0.28.5 ± 0.47.3 ± 0.2
Methanolic extract (leaf)15.7 ± 0.210.8 ± 0.38.0 ± 0.37.0 ± 0.2