Food safety : importance of composition for assessing genetically modified cassava (Manihot esculenta Crantz)

Show simple item record Morris, Elizabeth J.
dc.contributor.upauthor Jansen van Rijssen, Fredrika W.
dc.contributor.upauthor Eloff, Jacobus Nicolaas 2013-11-26T07:39:15Z 2013-11-26T07:39:15Z 2013-09
dc.description.abstract The importance of food composition in safety assessments of genetically modified (GM) food is described for cassava (Manihot esculenta Crantz) that naturally contains significantly high levels of cyanogenic glycoside (CG) toxicants in roots and leaves. The assessment of the safety of GM cassava would logically require comparison with a non-GM crop with a proven “history of safe use”. This study investigates this statement for cassava. A non-GM comparator that qualifies would be a processed product with CG level below the approved maximum level in food and that also satisfies a “worst case” of total dietary consumption. Although acute and chronic toxicity benchmark CG values for humans have been determined, intake data are scarce. Therefore, the non-GM cassava comparator is defined on the “best available knowledge”. We consider nutritional values for cassava and conclude that CG residues in food should be a priority topic for research. en
dc.description.librarian hb2013 en
dc.description.librarian mn2013
dc.description.sponsorship South African National Research Foundation en
dc.description.uri en
dc.identifier.citation Jansen van Rijssen, FW, Morris, EJ & Eloff, JN 2013, 'Food safety : importance of composition for assessing genetically modified cassava (Manihot esculenta Crantz)', Journal of Agricultural and Food Chemistry, vol. 61, no. 35, pp. 8333-8339. en
dc.identifier.issn 0021-8561 (print)
dc.identifier.issn 1520-5118 (online)
dc.identifier.other 10.1021/jf401153x
dc.identifier.other 7005589445
dc.language.iso en en
dc.publisher American Chemical Society en
dc.rights American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Agricultural and Food Chemistry, © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see Food Safety: Importance of Composition for Assessing Genetically Modified Cassava (Manihot esculenta Crantz),Janseb van Rijssen, FWJ, Morris, EJ & Eloff, JN, vol. 61, no. 35, pp. 8333-8339, 2013. doi : 10.1021/jf401153x at : en
dc.subject Food composition en
dc.subject Comparative approach en
dc.subject Cassava en
dc.subject Manihot esculenta (Crantz) en
dc.subject History of safe use en
dc.subject Codex Alimentarius Commission en
dc.subject Food safety standards en
dc.subject Cyanogenic glycoside (CG) en
dc.subject.lcsh Genetically modified foods en
dc.subject.lcsh Food -- Biotechnology en
dc.title Food safety : importance of composition for assessing genetically modified cassava (Manihot esculenta Crantz) en
dc.type Postprint Article en

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