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OJVRTM
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:
y.shahbazi@razi.ac.ir
ABSTRACT
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
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