| Issue |
BIO Web Conf.
Volume 10, 2018
Contemporary Research Trends in Agricultural Engineering
|
|
|---|---|---|
| Article Number | 02012 | |
| Number of page(s) | 4 | |
| Section | Engineering and Technology | |
| DOI | https://doi.org/10.1051/bioconf/20181002012 | |
| Published online | 26 March 2018 | |
Modified gelatine structures as packaging material for frozen agricultural products
1
University of Life Sciences in Lublin, Department of Refrigeration and Food Industry Energetics, ul. Doświadczalna 44, 20-280 Lublin, Poland
2
University of Life Sciences in Lublin, Department of Process Engineering, ul. Doświadczalna 44, 20-280 Lublin, Poland
* Corresponding author: katarzyna.kozlowicz@up.lublin.pl
Gelatine gels modified by hydrated paper pulp (PP), ground extruded starch (ES) and hydrogel balls (HGB) were formed so that after the crosslinking process, the plates of suitable thickness could be obtained. Then the material was freeze-dried and the obtained porous gelatine structures as well as styrofoam (XPS) as the reference material were tested for thermal conductivity and bending. The temperature fields were examined during the thawing process of products placed inside the test packagings with modified gelatine structures and polystyrene as well as temperature field profile on outer surface of these packs. The studied materials resemble styrofoam in terms of thermal insulation and exhibited medium thermal conductivity ranging between 0.047 and 0.081 [W·(mK)-1]. The bending strength of the materials under investigation proved higher than that of styrofoam and this fact supports their applicability as an alternative for frozen agricultural products packages.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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