Antimicrobial Bioplastics: Synthesis and Characterization of Thermally Stable Starch and Lysine-Based Polymeric Ligand and Its Transition Metals Incorporated Coordination Polymer

Table 7

Antimicrobial activities of SLys and its polymer metal complexes.

Zone of inhibition (mm) 50 𝜇g/disk
	Staphylococcus	Bacillus	Escherichia	Candida	Aspergillus	Fusarium
	aureus	subtilis	coli	albicans	niger	spp
SLys	—	—	—	—	—	—
SLys-Mn(II)	8	7	—	11	12	13
SLys-Co(II)	9	11	10	12	15	7
SLys-Ni(II)	10	9	11	13	8	10
SLys-Cu(II)	14	13	15	13	17	9
SLys-Zn(II)	6	7	9	10	6	5

18–30 mm = active, 10–17 mm = moderate, <10 = weak.
Standard = Kanamycin.
Solvent = DMSO.