Research Article

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

Table 3

Antimicrobial capacities of formulated edible coating from chitosan nanoparticles (Cht-NPs) and phycosynthesized Se nanoparticles with cinnamon extract (CIE/Se-NPs) against food-borne bacteria.

Edible coatingAntibacterial activity (IZ: mm)
E. coliSalmonella typhimuriumStaphylococcus aureusListeria monocytogenes

Cht-NPs (1.5%)5.5 ± 0.56.1 ± 0.45.1 ± 0.34.6 ± 0.4
Cht-NPs + CIE/Se-NPs (25 µg/ml)8.6 ± 0.710.1 ± 0.97.5 ± 0.67.2 ± 0.7
Cht-NPs + CIE/Se-NPs (50 µg/ml)10.8 ± 0.912.2 ± 1.28.9 ± 0.88.4 ± 1.0
Cht-NPs + CIE/Se-NPs (75 µg/ml)13.2 ± 1.214.8 ± 1.410.9 ± I0.910.1 ± 1.1

Inhibition zones impart triplicates’ diameter means ± SD, Inhibition zones impart triplicates’ diameter means ± SD, without coating films diameter .