Current Advances in Selenium Research and Applications Volume 1

353 Pages·2008·4.361 MB·English

by  Peter F. Surai, Jules A. Taylor-Pickard

Current advances in selenium
research and applications

Volume 1
edited by:
Peter F. Surai
geningen Academic Jules A. Taylor-Pickard
b l i s h e r s
Current advances in selenium research and applications

Current advances in
selenium research
and applications
edited by:
Peter F. Surai
Jules A. Taylor-Pickard
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ISBN: 978-90-8686-073-9 Academic Publishers, P.O. Box 220, 6700 AE
e-ISBN: 978-90-8686-642-7 Wageningen, the Netherlands,
DOI: 10.3920/978-90-8686-642-7 www.WageningenAcademic.com
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Contents
Selenium deficiency in Europe: causes and consequences 13
P.F. Surai, V.I. Fisinin and T.T. Papazyan
1. Introduction 13
2. Role of selenium in human health 14
3. Meeting selenium requirement 20
4. Selenium in soils and plants 24
5. Plants as major sources of selenium for animals and human 26
6. Selenium sources for animal and human consumption 28
7. Different strategies to address selenium deficiency in human 32
8. Conclusions 34
References 35
Selenium deficiency in Russia: problems and decisions 45
N. Golubkina
1. Introduction 45
2. Human selenium status in Russia 45
3. Dietetic sources of selenium in Russia 48
4. Improving selenium status in Russia 51
References 55
Selenium status in Ukraine: food for thoughts 57
S.D. Melnichuk and P.F. Surai
1. Introduction 57
2. Health status of Ukrainians 57
3. Selenium status of Ukraine 63
4. Selenium and radiation 68
5. Conclusions 73
References 73
Current advances in selenium research and applications 7
Contents
Selenium-enriched eggs: from niche market to main stream 77
T.T. Papazyan, V.I. Fisinin and P.F. Surai
1. Introduction 77
2. Selenium-enriched products 78
3. Improving the image of the egg 79
4. Selenium-enriched eggs as a route toward improving human
selenium status 82
5. Selenium-enriched eggs as functional food 87
6. Conclusions 89
References 90
Analytical and technical considerations for selenium analysis in eggs,
meat and milk 95
R. Murphy and C. Connolly
1. Introduction 95
2. Stages of analysis 96
3. Tissue analysis 99
4. Conclusion 103
References 104
Analytical techniques for speciation of selenium in food and food
supplements: state-of-the-art 107
K. Bierla, J. Szpunar and R. Lobinski
1. Introduction 107
2. Speciation analysis for selenium in selenium-rich yeast 108
3. Speciation analysis of selenium in meat and offal tissues 120
4. Speciation of selenium in seafood 122
5. Speciation analysis of selenium in eggs 123
6. Speciation analysis of selenium in milk and in milk products 123
7. Speciation of selenium in plants and samples of plant origin 125
8. Conclusions and outreach 126
Acknowledgements 126
References 127
8 Current advances in selenium research and applications
Contents
Selenium modifies avian reovirus pathogenicity related to
malabsorption syndrome 133
F.W. Edens, J. Read-Snyder and R. Somody
1. Introduction 133
2. Selenium influence on health of animals 134
3. Selenium influence on host: virus interaction 137
4. Influence of selenium on avian virus: host interaction 138
5. Selenium, oxidative stress, and reovirus infection 139
6. Reoviruses 143
7. Avian reovirus infections in poultry species 145
8. Selenium and immunological interactions during ARV infection
in poultry 150
9. ARV as an immunosuppressive agent 151
10. Reovirus and immunoglobulin A (IgA) 153
11. Apoptosis is a key to ARV pathogenesis in poultry 155
12. Conclusion 157
References 158
Selenium, mycotoxins and other contaminants 173
M. Mézes and J.E. Dvorska
1. Introduction 173
2. Mycotoxins 173
3. Other contaminants 178
References 181
Selenium and polyunsaturated fatty acids 187
A.C. Pappas and B.K. Speake
1. Introduction 187
2. Physiological roles of polyunsaturated fatty acids 187
3. Interactions between PUFA and selenium 193
4. Polyunsaturated fatty acids and selenium in maternal nutrition 196
References 202
Current advances in selenium research and applications 9