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Abstract



Food Safety is a Critical Aspect of Food Security: Reducing the Acrylamide-forming Potential of Wheat, Potato and Rye

Nigel Halford, Programme Leader, Rothamsted Research

Acrylamide was discovered in a range of plant-derived popular foods in 2002.  It is classified by the WHO as ‘probably carcinogenic to humans’; it also has neurological and reproductive effects at high doses.   The FAO/WHO Expert Committee on Food Additives has recommended that dietary exposure should be reduced and the European Food Safety Authority issued ‘indicative’ levels for acrylamide in food in early 2011.  Acrylamide forms during high-temperature cooking and processing and its precursors are free asparagine and reducing sugars.  The presentation will describe projects aimed at reducing the acrylamide-forming potential of wheat, rye and potato.  These projects involve collaborations with public and private sector organisations and address the following objectives: Identification of varieties and genotypes with low acrylamide-forming potential; development of a comprehensive understanding of asparagine metabolism (modelling); elucidation of the genetic and environmental factors (including crop management) that affect acrylamide-forming potential; understanding of the relationship between precursor concentration and acrylamide formation; and identification of QTL, genes and markers for low free asparagine concentration.  The goal is to improve our knowledge of the genetic, agronomic and storage factors that affect acrylamide-forming potential in these important crops, and provide breeders with the tools to produce new, low acrylamide risk varieties.


Add to Calendar ▼2013-09-24 00:00:002013-09-25 00:00:00Europe/LondonAgriGenomics World CongressAgriGenomics World Congress in John Innes Centre, Norwich, UKJohn Innes Centre, Norwich, UKSELECTBIOenquiries@selectbiosciences.com