From: Microwave-assisted synthesis of silver nanoparticles from Origanum majorana and Citrus sinensis leaf and their antibacterial activity: a green chemistry approach
Samples
Concentration (µg/ml)
Zone of inhibition (mm)
Origanum majorana-mediated SNPs
Citrus sinensis-mediated SNPs
E. coli
25
11.0
8.5
50
12.0
9.0
75
12.5
Bacillus subtilis
Nil
13.0
7.0
17.0
19.0