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Influence of packaging on the quality maintenance of industrial bread by comparative shelf life testing

Paper ID Volume ID Publish Year Pages File Format Full-Text
19873 43138 2014 6 PDF Available
Title
Influence of packaging on the quality maintenance of industrial bread by comparative shelf life testing
Abstract

•Maintenance of modified atmosphere is assured by films at lower thickness.•Quality attributes were stable far longer than the labelled “best before” date.•Results encourage to abandon the prudential approach to shelf life estimation.•Packaging can be reduced by about 20% without affecting shelf life standards.

The research focuses on the evaluation of the effects of films with different thickness on the quality of industrial durum wheat bread. A comparative shelf life test was performed taking into consideration textural parameters, instrumental crumb colour parameters, crumb moisture and alkaline water retention capacity, considered as indirect indicators of bread staling. Sliced, durum wheat bread was packed into a system made of a thermoformed bottom, with thickness ranging from 225 to 275 μm, and a lid (121–125 μm), with comparable barrier properties. Results demonstrated that it is possible to reduce packaging by about 20% without affecting shelf life standards. The packaging systems showed comparable barrier performances, maintaining the modified atmosphere during 103 days. Texture profile analysis gave comparable results for packages at reduced thickness compared with conventional ones. Also, colour, alkaline water retention capacity and crumb moisture correlated well with bread ageing and did not significantly vary among packaging types.

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Keywords
Bread quality; Film thickness; Packaging; Overpackaging; Texture profile analysis
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Influence of packaging on the quality maintenance of industrial bread by comparative shelf life testing
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food Packaging and Shelf Life - Volume 1, Issue 1, March 2014, Pages 19–24
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