Glucosinolates As Undesirable Substances in Animal Feed1
The EFSA Journal (2008) 590, 1-76 Glucosinolates as undesirable substances in animal feed1 Scientific Panel on Contaminants in the Food Chain (Question N° EFSA-Q-2003-061) Adopted on 27 November 2007 PANEL MEMBERS Jan Alexander, Guðjón Atli Auðunsson, Diane Benford, Andrew Cockburn, Jean-Pierre Cravedi, Eugenia Dogliotti, Alessandro Di Domenico, Maria Luisa Férnandez-Cruz, Peter Fürst, Johanna Fink-Gremmels, Corrado Lodovico Galli, Philippe Grandjean, Jadwiga Gzyl, Gerhard Heinemeyer, Niklas Johansson, Antonio Mutti, Josef Schlatter, Rolaf van Leeuwen, Carlos Van Peteghem and Philippe Verger. SUMMARY Glucosinolates (alkyl aldoxime-O-sulphate esters with a β-D-thioglucopyranoside group) occur in important oil- and protein-rich agricultural crops, including among others Brassica napus (rapeseed of Canola), B. campestris (turnip rape) and Sinapis alba (white mustard), all belonging to the plant family of Brassicaceae. They are present in all parts of these plants, with the highest concentrations often found in seeds. Several of these Brassica species are important feed ingredients and some species are also commonly used in human nutrition such as cauliflower, cabbages, broccoli and Brussels sprouts. Glucosinolates and their breakdown products determine the typical flavour and (bitter) taste of these vegetables. 1For citation purposes: Opinion of the Scientific Panel on Contaminants in the Food Chain on a request from the European Commission on glucosinolates as undesirable substances in animal feed, The EFSA Journal (2008) 590, 1- 76 © European Food Safety Authority, 2008 Glucosinolates as undesirable substances in animal feed The individual glucosinolates vary in structure and the configuration of their side chain. They are hydrophilic and rather stable and remain in the press cake of oilseeds when these are processed and de-oiled.
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