期刊
PACKAGING TECHNOLOGY AND SCIENCE
卷 32, 期 11, 页码 545-554出版社
WILEY
DOI: 10.1002/pts.2470
关键词
condensation; moisture regulation; packaging; quality; strawberry
资金
- Georg Forster Postdoctoral Research Fellowship (HERMES) programme from the Alexander von Humboldt Foundation [ZAF-1160635-GFHERMES-P]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [201623/2015-3]
Disruption in cold chain during distribution and retail could have a significant impact on in-package condensation of optimally designed packaged fresh produce. The aim of this work was to regulate in-package condensation and evaluate the performance of different packaging design systems for strawberries under fluctuating temperatures (between 10 degrees C and 20 degrees C) for 5 days. The design included the use of condensation control strategies, namely, enhanced permeable films (NatureFlex and Xtend) and FruitPad of different fructose content (0%, 20%, 30%, 35%, and 40%). Package performance was evaluated in terms of headspace gas composition, mass loss, condensation, physico-chemical changes, and visual and ortho-nasal quality evaluation. Percentage mass loss of packaged strawberries ranged from 0.6% to 4% and was 33% for unpackaged. Results also showed that compared with the control sample, both strategies (enhanced permeable films and FruitPads) were effective in reducing condensation. In addition, transpirational water loss, results of the water absorbed by the FruitPads and transferred through the films were used to understand the packaging design needs under fluctuating temperature.
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