Use of the physiologically-based extraction test to assess the oral bioaccessibility of metals in vegetable plants grown in contaminated soil

Intawongse, Marisa and Dean, John (2007) Use of the physiologically-based extraction test to assess the oral bioaccessibility of metals in vegetable plants grown in contaminated soil. Environmental Pollution, 152 (1). pp. 60-72. ISSN 0269-7491

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Official URL: http://dx.doi.org/10.1016/j.envpol.2007.05.022

Abstract

The oral bioaccessibility of metals in vegetable plants grown on contaminated soil was assessed. This was done using the physiologically-based extraction test (PBET) to simulate the human digestion of plant material. A range of vegetable plants, i.e. carrot, lettuce, radish and spinach, were grown on metal contaminated soil. After reaching maturity the plants were harvested and analysed for their total metal content (i.e. Cr, Cd, Cu, Fe, Mn, Mo, Ni, Pb and Zn) by inductively coupled plasma-mass spectrometry (ICP-MS). The plant samples were then subsequently extracted using an in vitro gastrointestinal approach or PBET to assess the likelihood of oral bioaccessibility if the material was consumed by humans.

Item Type: Article
Additional Information: Senior author and supervisor of work carried out as part of a UK-Thailand collaboration sponsored by The Royal Thai. Published on the Internet, 07.07. 2007. Government. M Intawongse was a PhD student at Northumbria University. Research investigates the impact on human health of growing vegetables on metal contaminated soil.
Uncontrolled Keywords: physiologically-based extraction test (PBET), metals, oral bioaccessibility, ICP-MS, plants
Subjects: F800 Physical and Terrestrial Geographical and Environmental Sciences
Department: Faculties > Health and Life Sciences > School of Life Sciences > Applied Sciences
Depositing User: EPrints Services
Date Deposited: 27 May 2008 16:00
Last Modified: 10 Aug 2015 11:47
URI: http://nrl.northumbria.ac.uk/id/eprint/1631

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