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KMID : 0380620090410050509
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Korean Journal of Food Science and Technology
2009 Volume.41 No. 5 p.509 ~ p.514
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Analysis of Binding Trimethylamine with Rice-washed Solution using Electronic Nose Based on Mass Spectrometer
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Hong Eun-Jeung
Son Hee-Jin
Kang Jin-Hee
Noh Bong-Soo
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Abstract
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The effectiveness of a technique for binding rice-washed solution with trimethylamine (TMA) was investigated in this study. The mixtures of TMA and rice-washed solution were quantified using an electronic nose based on the mass spectrometer. After 7 min of reaction in a model system, the binding of TMA to the rice-washed solution was detected. As the concentration of rice-washed solution increased, the levels of TMA detected in the headspace decreased, thereby indicating an increase in the binding of TMA to the rice-washed solution. The binding effect of the rice-washed solution was comparable to those of starch, α-cyclodextrin, or amylose, and superior to that of flour. The results of this study demonstrate the potential for reduction of off-flavors using the rice-washed solution.
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KEYWORD
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electronic nose, mass spectrometer, trimethylamine, rice washed solution
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