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http://dx.doi.org/10.5851/kosfa.2011.31.4.596

Pattern Recognition Analysis for Volatile Compounds of the Whole, Skim, UHT-, HTST-, and LTLT-Milk under LED Irradiations  

Kim, Ki-Hwa (Department of Food Science and Technology, Seoul Women's University)
Hong, Eun-Jeung (Department of Food Science and Technology, Seoul Women's University)
Park, Sue-Jee (Department of Food Science and Technology, Seoul Women's University)
Kang, Jee-Won (Department of Food Science and Technology, Seoul Women's University)
Noh, Bong-Soo (Department of Food Science and Technology, Seoul Women's University)
Publication Information
Food Science of Animal Resources / v.31, no.4, 2011 , pp. 596-602 More about this Journal
Abstract
The objective of this study was to analyze the pattern recognition of volatile compounds from different types of milk under LED (Light Emitting Dioxide) irradiation for 6 d. Yellow, red, blue, dark, and fluorescent light were produced using LED equipment. A mass spectrometry-based electronic nose and DFA (discriminant function analysis) were used to determine the change in volatiles from different types of milk under LED irradiation. As the LED exposure time was increased, DF1 of whole milk changed considerably under blue light, while that of skim milk changed significantly under red and yellow light irradiation. Among the types of milk tested, the most light-induced oxidation sample was LTLT milk under blue light. The volatile compounds that were shown to increase due to LED treatment in the electronic nose analysis, which was based on MS, were mainly acetaldehyde, propanal, pentanal, hexanal, heptanal, nonanal, 3-methyl butanal, 2-methyl propanal, 2-butanone, 2-pentanone, 2-hexanone, and 2-heptanaone and 2-nonanone.
Keywords
light emitting dioxide; volatile compound; milk; electronic nose;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By Web Of Science : 1  (Related Records In Web of Science)
Times Cited By SCOPUS : 1
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