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Online Journal of Veterinary Research©
Volume 21(9):621-630, 2017.
Effect of Mentha spicata, pomegranate and grape seed extracts on antioxidant, antibacterial
and physical properties of the biodegradable polymer, chitosan.
Yasser Shahbazi (DVM, DVSc)
Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Razi University, Kermanshah, Iran, Email: firstname.lastname@example.org
Shahbazi Y., Effect of Mentha spicata, pomegranate and grape seed extracts on antioxidant, antibacterial and physical properties of the biodegradable polymer, chitosan., Onl J Vet Res., 21(9):621-630, 2017. Development of biodegradable polymers to replace plastic is an ongoing process. Effect of Mentha spicata, pomegranate and grape seed extracts on antibacterial, antioxidant and physical properties on films of biodegradable polymer chitosan is described. Chemicals in M spicata oil were identified by GC-MS, antioxidant activity by 2,2-diphenyl-1-picrylhydrazyl hydrate (DPPH) free radical scavenging test, and antibacterial activity by agar disk diffusion assay. Chemicals in M spicata oil were ~79% carvone, ~11% limonene and ~11% β-bourbonene. Highest antioxidant activity was found in film with M spicata and grape seed extracts. Antibacterial activities were M. spicata>grape >pomegranate extracts. Chitosan film thickness measured 0.076 to 0.105 mm and film with pomegranate and grape seed extracts developed darkest colors. Results suggest that M. spicata and/or pomegranate and GSE extracts may produce antibacterial, antioxidant and coloring effects on chitosan biodegradable, biopolymer film
Keywords: Chitosan; Mentha spicata essential oil; Pomegranate peel; Grape seed; Film