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KMID : 0380620130450060763
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Korean Journal of Food Science and Technology
2013 Volume.45 No. 6 p.763 ~ p.769
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Effect of Light Emitting Diode and Fluorescent Light on Volatile Profiles of Soybean Oil during Storage
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Park In-Seon
Choi Duck-Joo
Youn Aye-Ree
Lee Youn-Jung
Kim Youn-Kyeong
Kim Mun-Ho
Choi So-Rye
Kim Ki-Hwa
Dong Hye-Min
Han Hyun-Jung
Noh Bong-Soo
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Abstract
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Soybean oil was stored in polyethylene for 12 weeks at 20oC. The influence of LED (light emitting diode) irradiation on four different wavelengths and fluorescent light was investigated. The pattern changes of volatile components in soybean oil was analyzed by electronic nose based on mass spectrometer. The obtained data from electronic nose were analyzed by discrimination function analysis. Under fluorescent light, the discriminant function first score (DF1) was significantly moved from positive position to negative one after 4-12 weeks. It means that the volatile compounds related to quality of lipid. It was shown to increase slowly due to green light of LED treatment, while blue and white LED light was influenced significantly as well as fluorescent light irradiation. Selection of LED irradiation would provide to keep good quality of soybean oil under distribution chain system.
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KEYWORD
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light emitting diode, fluorescent, electronic nose, soybean oil, lipid quality
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