Synthesis, Characterization, and Antibacterial Activity of Biocompatible Aluminium Complexes with N-(2-Hydroxy-5-methyl benzyl)phenylalanine

Table 3

Results of antibacterial activity of the synthesized compounds.

1/1a–1c	Con.c. (mg/mL)^a	The radius of the zone of inhibition (mm)
		P. aeruginosa (MTCC-424)	S. aureus (MTCC-103)	K. pneumoniae (MTCC-3389)	K. pneumoniae (MTCC-109)
1	1/5/15/50	0.85/0.85/1.1/1.25	0/0/0.35/0.85	0/0.25/0.45/0.70	0.45/0.40/0.90/1.25
1a	1/5/15/50	0.05/0.70/0.75/1.25	0/0.0/0.35/0.75	0/0/0.30/0.70	1.25/0.45/0.75/1.25
1b	1/5/15/50	0.45/0.75/0.80/1.25	0/0.45/0.20/0.80	0/0/0/0.55	0.0/0.75/0.95/1.30
1c	1/5/15/50	0.55/0.60/0.75/1.25	0/0.25/0.25/0.75	0/0/0/0.75	0.45/0.70/0.95/1.45
DMSO	—	0/0/0/0	0/0/0/0	0/0/0/0	0/0/0/0

^a1/5/15 mg/mL con.c were taken for each ligand and aluminium complexes with positive control of 50 mg/mL oxytetracycline.