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. 2023 Apr 13;14(2):125–132. doi: 10.4103/japtr.japtr_599_22

Table 2.

Antioxidant and antimicrobial activity of synthesized products

Compound DPPH scavenging activity IC50 - value (ppm) Susceptibility zone
Escherichia coli Staphylococcus aureus
Quinoline-benzimidazole 4784 - -
Quinoline-hydrazone 843.5 - -
Ascorbic acid 11 Not measured
Amoxicillin Not measured + + + ++++

DPPH: 2,2-diphenyl-1-picrylhydrazyl, IC50: Half-maximal inhibitory concentration, + + + : Good antibacterial activity, + + + + : Great antimicrobial activity