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http://dx.doi.org/10.3746/jkfn.2005.34.6.875

Analysis and Decrease of Cyanogenic Glucosides in Flaxseed  

Park, Eun-Ryong (Center for Food Standard Evaluation, Korea Food & Drug Administration)
Hong, Jin-Hwan (Center for Food Standard Evaluation, Korea Food & Drug Administration)
Lee, Dong-Ha (Center for Food Standard Evaluation, Korea Food & Drug Administration)
Han, Sang-Bae (Center for Food Standard Evaluation, Korea Food & Drug Administration)
Lee, Kang-Bong (Center for Food Standard Evaluation, Korea Food & Drug Administration)
Park, Jae-Seok (Center for Food Standard Evaluation, Korea Food & Drug Administration)
Chung, Hyung-Wook (Center for Food Standard Evaluation, Korea Food & Drug Administration)
Hong, Kyung-Hyun (Center for Food Standard Evaluation, Korea Food & Drug Administration)
Kim, Myung-Chul (Center for Food Standard Evaluation, Korea Food & Drug Administration)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.34, no.6, 2005 , pp. 875-879 More about this Journal
Abstract
Linustatin and neolinustatin in flaxseed are called cyanogenic glucosides which produce acetone, hydrogen cyanide (HCN) and sugar when hydrolyzed. The HCN is the chemical whose toxin is being issued in food safety. Linustatin and neolinustatin were found in flaxseed by 206.5 and 174.2 mg/100 g, respectively using a RI-HPLC and LC/MSn analysis of $80\%$ methanol extraction. Also, HCN (137.38 mg/kg) was found in flaxseed distillate by autohydrolysis and IC analysis. More than 85$\%$ of linustatin, neolinustatin and HCN were removed when flaxseed was heated for more than 2 hours in $200^{\circ}C$. Especially, HCN was decreased to $98\%$ by heating only 30 min in $200^{\circ}C$.
Keywords
flaxseed; cyanogenic glucoside; linustatin; neolinustatin; hydrogen cyanide;
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