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Pattern Recognition Analysis for Volatile Compounds of the Whole, Skim, UHT-, HTST-, and LTLT-Milk under LED Irradiations
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 Title & Authors
Pattern Recognition Analysis for Volatile Compounds of the Whole, Skim, UHT-, HTST-, and LTLT-Milk under LED Irradiations
Kim, Ki-Hwa; Hong, Eun-Jeung; Park, Sue-Jee; Kang, Jee-Won; Noh, Bong-Soo;
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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.
light emitting dioxide;volatile compound;milk;electronic nose;
 Cited by
콩기름 저장 중 휘발성분에 대한 LED와 형광등 광원 조사의 영향,박인선;최덕주;윤예리;이윤정;김윤경;김문호;최소례;김기화;동혜민;한현정;노봉수;

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