Arsenic & Rice. 1st ed. 2012

種類:

電子ブック

責任表示:

by Andrew A. Meharg, Fang-Jie Zhao

出版情報:

Dordrecht : Springer Netherlands : Imprint: Springer, 2012

著者名:

• Meharg, Andrew A.
• Zhao, Fang-Jie.
• SpringerLink (Online service)

ISBN:

9789400729476 [9400729472]    

注記:

Acknowledgements -- Abbreviations -- Chapter 1: Introduction -- 1.1 Arsenic exposure from rice -- 1.2 Historical context -- 1.3 Biogeochemistry of paddy soils -- 1.4 Plant Physiology -- 1.5 Summary.-References -- Chapter 2: Arsenic in rice grain -- 2.1 Introduction -- 2.2 Quantification of arsenic in rice grain -- 2.3 Arsenic speciation in rice grain -- 2.4 Total grain arsenic -- 2.5 Rice products -- References -- Chapter 3: Risk from arsenic in rice grain -- 3.1 Rice consumption -- 3.2 Studies on the total intake of inorganic arsenic -- 3.3 Problems with ignoring rice when looking at dietary intake of arsenic -- 3.4 The effects of cooking rice on its arsenic content -- 3.5 Human bioavailability of arsenic in rice -- 3.6 Risk assessment from arsenic in rice -- 3.7 Food arsenic standards -- 3.8 Limiting arsenic exposure to rice -- References -- Chapter 4: Sources and losses of arsenic to paddy fields -- 4.1 Introduction -- 4.2 Sources of arsenic to paddy ecosystems -- 4.3 Paddy field arsenic cycling in a wider
Rice is the staple food for half of the world’s population. Consumption of rice is the major exposure route globally to the class one, non-threshold carcinogen inorganic arsenic. This book explains the sources of arsenic to paddy soils and the biogeochemical processes and plant physiological attributes of paddy soil-rice ecosystems that lead to high concentrations of arsenic in rice grain. It presents the global pattern of arsenic concentration and speciation in rice, discusses human exposures to inorganic arsenic from rice and the resulting health risks. It also highlights particular populations that have the highest rice consumptions, which include Southern and South East Asians, weaning babies, gluten intolerance sufferers and those consuming rice milk. The book also presents the information of arsenic concentration and speciation in other major crops and outlines approaches for lowering arsenic in rice grain and in the human diet through agronomic management.

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