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KMID : 1134820070360081010
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Journal of the Korean Society of Food Science and Nutrition
2007 Volume.36 No. 8 p.1010 ~ p.1014
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Monitoring of Crude Fat and Trans Fatty Acids Contents of Take?Out Foods in Daejeon, Chungcheong Province
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Kim Yu-Mi
Heo Oak-Sun
Lee Ki-Teak
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Abstract
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This study was designed to determine the trans fatty acid (tFA) contents of 41 take?out food items in Daejeon and Chungcheong Province. Total fatty acid composition and tFA contents of samples were determined by gas chromatography (GC) after fat extraction (Folch method). Maximum fat content among the observed samples was obtained from theater popcorn (13.74～38.09%) while minimum content was observed from the glutinous rice doughnut (2.31～5.44%). The contents of tFA (g/100 g food) in toasts, glutinous rice doughnut and ggwabaegi (twisted doughnut sold in streets) ranged from 0.02 to 0.56 g while those in fried sweet potato stick (from highway resting place), fried squid and theater popcorn ranged from 0.05 to 3.08 g/100 g. As a result, most samples showed the tFA content as less than 1 g (g/100 g food) except one sample from theater popcorn which contained 3.08 g (g/100 g food) as tFA content.
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KEYWORD
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take-out foods, trans fatty acid, total crude fat contents, gas chromatography
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