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Volume 61, issue 3 | Copyright
Arch. Anim. Breed., 61, 285-292, 2018
https://doi.org/10.5194/aab-61-285-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Original study 18 Jul 2018

Original study | 18 Jul 2018

Glycerin as a factor for moderating quality changes in table eggs during storage

Kamil Drabik1, Patrycja Chabroszewska1, Kostiantyn Vasiukov1, Agnieszka Adamczuk2, and Justyna Batkowska1 Kamil Drabik et al.
  • 1Institute of Biological Basis of Animal Production, University of Life Sciences in Lublin, 13 Akademicka St., 20-950 Lublin, Poland
  • 2Central Laboratory of Agroecology in Lublin, 3B Dobrzański St., 20-262 Lublin, Poland

Abstract. Glycerol, a by-product of biodiesel production, is non-toxic to humans and the environment. With the current increase in the demand for fuels obtained from biomass, the amount of glycerine waste production is increasing. There are many ways to dispose this substance (in pharmaceuticals, cosmetics, and in chemical industry), but its utilization is still insufficient. Therefore, the aim of this study was to assess the possibility of limiting quality changes in table eggs during storage by coating the shells with a glycerol solution. The material used in this research consisted of 270 table chicken eggs collected on the same day. On the first day of the experiment, quality traits of 30 eggs were evaluated (initial control group). The remaining 240 eggs were divided into two equal groups: control (eggs that were not subjected to any treatment) and experimental (eggs that were coated with a 5% aqueous solution of glycerol). The eggs were placed on transport trays and stored at 14°C and 70% humidity. Quality evaluations were carried out after 14 and 28 days of storage. The depth of the air cell, mass and specific gravity of the egg, the shell characteristics (water vapour conductance, strength, mass, thickness, and density), and the content traits (pH of the albumen and yolk, Haugh units, and colour and weight of the yolk) were evaluated. The results obtained suggest that the use of glycerine may contribute to slowing adverse changes in egg quality during storage by limiting CO2 removal from the egg content, which allows the egg to maintain albumen structure. Due to the fact that glycerine is a safe, cheap, and easy-to-apply substance, its large-scale use in poultry raw material storage seems to be a very real possibility.

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Glycerol, a by-product of biodiesel production, is non-toxic to humans and environment. With the increase in demand for fuels obtained from biomass, the amount of glycerine waste increases. There are many ways to dispose it (pharmaceutical, cosmetics and chemical industry), but its utilization is still insufficient. Due to the fact that glycerine is a safe, cheap and easy to apply substance, the possibility of using it on a large scale in the aspect of chicken eggs storage seems to be possible.
Glycerol, a by-product of biodiesel production, is non-toxic to humans and environment. With the...
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