Abstract

Biosynthesized gold nanoparticles (AuNPs) were successfully synthesized by using Melaleuca cajuputi leaf extract, and their prospective antibacterial efficacy was assessed against Vibrio parahaemolyticus. TEM analysis revealed biosynthesized M. cajuputi gold nanoparticles (MC-AuNPs) were spherical in shape with a surface plasmon resonance (SPR) band observed at 535 nm and particle sizes ranging from 10–50 nm. The MC-AuNPs showed good antibacterial properties against V. parahaemolyticus with MIC and MBC values of 0.0075 g/mL.

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