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Antimicrobial, mechanical and barrier properties of triticale protein films incorporated with oregano essential oil

Paper ID Volume ID Publish Year Pages File Format Full-Text
19776 43128 2013 8 PDF Available
Title
Antimicrobial, mechanical and barrier properties of triticale protein films incorporated with oregano essential oil
Abstract

Antimicrobial triticale protein films were prepared by incorporating oregano essential oil (OEO). The effect of different concentrations of OEO on antimicrobial activity and on mechanical and barrier properties of films plasticized with glycerol was evaluated and compared with control films (without antimicrobial agent). The addition of OEO did not affect the water vapor permeability of films, increased water solubility and the percent elongation of the films, and reduced tensile strength and Young's modulus. Films with OEO showed higher antimicrobial activity against the Gram positive bacterium Staphylococcus aureus, and lower for Gram negative (Escherichia coli and Pseudomonas aeruginosa). The obtained results proved the permanence of OEO in the polymer matrix after processing, making them able to be used as active additives in film formulation.

► Plasticized films based on triticale proteins were developed. ► The influence of glycerol and sorbitol on functional properties of films was investigated. ► Glycerol exhibited better plasticizing effect for triticale films. ► Low levels of sorbitol present an antiplasticization effect of triticale protein films.

Keywords
Triticale; Antimicrobial film; Mechanical properties; Oregano essential oil; Permeability
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Antimicrobial, mechanical and barrier properties of triticale protein films incorporated with oregano essential oil
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food Bioscience - Volume 1, March 2013, Pages 2–9
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us