Acta Vet. Brno 2014, 83: 39-44

Colour and viscosity of egg yolk after addition of beetroot to feed for laying hens

Vladimír Kopřiva1, Pavel Suchý2, Eva Straková3, Michal Žďárský1, Petr Dvořák1

1Department of Biochemistry and Biophysics, Brno, Czech Republic
2Department of Animal Husbandry and Animal Hygiene, Brno, Czech Republic
3Department of Animal Nutrition, Brno, Czech Republic


1. Adamiec J, Dolezal J, Mikova K, Davidek J 2002: Chenges in egg volatiles during storage. Czech J Food Sci 20: 79-82 <>
2. Burri BJ 1997: Beta-carotene and human health. A review of current research. Nutr Res 17: 547-580 <>
3. CIE, Colorimetry (CIE Publications No. 15.2.) 2nd ed. Commission Internationale de l’Eclaraige. Vienna (1986).
4. Dvorak P, Dolezalova J, Suchy P 2009: Photocolorimetric determination of yolk colour in relation to selected quality parameters of eggs. J Sci Food Agric 89: 1886-1889 <>
5. Dvorak P, Suchy P, Strakova E, Dolezalova J 2010: Variation in egg yolk colour in different systems of reading laying hens. Acta Vet Brno 79: 13-19 <>
6. Dvorak P, Suchy P, Strakova E, Kopriva V 2012: Possibilities of enhancing the colour of egg yolk. J Sci Food Agric 92: 853-856 <>
7. Goncalves LCP, Trassi MAD, Lopes NB, Dorr FA, dos Santos MT, Baader WJ, Oliveira VX, Bastos EL 2012: A comparative study of the purification of betanin. Food Chem 131: 231-238 <>
8. Kriz L 1997: Processing and treatment of poultry products. Mze ČR, Praha, Czech Republic, 29p.
9. Lichtenthaler R, Marx F 2005: Total oxidant scavenging capacities of common European fruit and vegetable juices. J Agr Food Chem 53: 103-110 <>
10. Lomakina K, Mikova K 2006: A study of the factors affecting the foaming properties of egg white - A review. Czech J Food Sci 24: 110-118 <>
11. Lucisano M, Hidalgo A, Comelli EM, Rossi M 1996: Evolution of chemical and physical albumen characteristics during the storage of shell eggs. J Agric Food Chem 44: 1235-1240 <>
12. Severa L, Nedomova S, Buchar J 2010: Influence of storing time and temperature on the viscosity of an egg yolk. J Food Eng 96: 266-269 <>
13. Simeonovova J, Mikova K, Ingr I, Kubisova S 2003: Technology of poultry, eggs, and minor animal products (in Czech). MZLU Brno, Brno, Czech Republic, 247p.
14. Tumova E, Englmaierova M, Ledvinka Z, Charvatova V 2011: Interaction between housing system and genotype in relation to internal and external egg quality parameters. Czech J Anim Sci 56: 490-498 <>
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  • ISSN 0001-7213 (printed)
  • ISSN 1801-7576 (electronic)

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