Green Biosynthesized Selenium Nanoparticles by Cinnamon Extract and Their Antimicrobial Activity and Application as Edible Coatings with Nano-Chitosan

Table 2

Antimicrobial capacities of phycosynthesized Se nanoparticles with cinnamon extract against food-borne bacteria.

Examined agents	Antibacterial activity
	E. coli		Salmonella typhimurium		Staphylococcus aureus		Listeria monocytogenes
	ZOI (mm)	MIC (µg/ml)	ZOI (mm)	MIC (µg/ml)	ZOI (mm)	MIC (µg/ml)	ZOI (mm)	MIC (µg/ml)
Cinnamon Ext.	12.1 ± 0.7^a	40.0	12.8 ± 0.8^a	37.5	9.9 ± 0.7^a	47.5	8.7 ± 0.5^a	50.0
CIE/Se-NPs	15.3 ± 1.2^b	32.5	16.2 ± 1.2^b	30.0	12.7 ± 1.1^b	35.0	11.7 ± 1.0^b	37.5
CIE/Se/Cht-NPs	18.4 ± 1.4^c	22.5	20.9 ± 1.6^c	20.0	17.8 ± 1.2^c	27.5	17.2 ± 1.1^c	27.5

Inhibition zones impart triplicates’ diameter means ± SD, assay discs (diameter 6 mm) carrying 50 µg from cinnamon extract (CIE), phytosynthesized Se-NPs with cinnamon extract (CIE/Se-NPs) or their blend with nano-chitosan (CIE/Se/Cht-NPs).“Dissimilar superscript letters within the same column indicate significant difference at .”