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http://dx.doi.org/10.3746/jkfn.2005.34.4.513

Effect of γ-Irradiation on the Volatile Organic Compounds from Leek (Allium tuberosum R.)  

Han, Byung-Jae (Dept. of Applied Science and Technology, Chosun University)
Yang, Sook-Young (Dept. of Food and Nutrition, Chosun University)
Kim, Jun-Hyoung (Dept. of Food and Nutrition, Chosun University)
Shim, Sung-Lye (Dept. of Food and Nutrition, Chosun University)
Gyawali Rajendra (Dept. of Applied Science and Technology, Chosun University)
Lee, Sung-Jin (Dept. of Applied Science and Technology, Chosun University)
Kim, Kyong-Su (Dept. of Food and Nutrition, Chosun University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.34, no.4, 2005 , pp. 513-518 More about this Journal
Abstract
Volatile compounds of $\gamma-irradiation$ leeks (Aillum tuberosum R.) were isolated by simultaneous steam distillation and extraction method (SDE) and analyzed by gas chromatography/mass spectrometry (GC/MS) along with the non-irradiated sample. Leeks were irradiated at dose of 20 kGy and non-irradiated samples were considered as control sample. 56 and 54 compounds were identified in non-irradiated and irradiated samples, respectively. These components included the functional groups; alcohols, aldehydes, esters, ketones, N- and S-containing compounds. S-containing compounds such as dimethyl trisulfide, methyl-(Z)-l-proenyl trisulfide, dimethyl disulfide, 3-ethyl-l,2-dithi-5-ene and methyl allyl disulfide were the major compounds. Methyl-(Z)-l-propenyl trisulfide, diallyl trisulfide, (E)-2-hexanal and 3-ethyl-l,2-dithi-5-ene were clearly decreased by the $\gamma-irradiation$, but dimethyl disulfide, diallyl sulfide, allyl methyl sulfide and pyridine were increased by the $\gamma-irradiation$.
Keywords
leek; volatile compounds;
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