Evaluation of Minimum Inhibitory Concentration of Heavy Metals Contained in Packaging Material Digest on Prominent Gut Microbiota

Table 2

Purity, Codex Alimentarius Commission concentration, and mean minimum inhibitory concentration of heavy metal salts on standard strains of bacteria tested.

Heavy metal salts studied	Heavy metal salt purity	Codex Alimentarius Commission acceptable value (μg/ml)	Minimum inhibitory concentration
			E. coli (μg/ml)	E. faecalis; (μg/ml)	K. pneumoniae; (μg/ml)	P. aeruginosa; (μg/ml)
Vanadium pentoxide	99.96%	1.8
Cadmium acetate	99.87%	7.0
Mercuric chloride	96.52%	1.4
Arsenic trioxide	98.52%	1.6