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http://dx.doi.org/10.3746/jfn.2003.8.3.219

Chemical and Volatile Characterization of Structured Lipid from Soybean Oil Containing Conjugated Linoleic Acid  

Lee, Jeung-Hee (Department of Food and Nutrition, Chungnam National University)
Lee, Jong-Ho (Department of Food and Nutrition, Yonsei University)
Lee, Ki-Teak (Department of Food Science and Technology, Chungnam National University)
Publication Information
Preventive Nutrition and Food Science / v.8, no.3, 2003 , pp. 219-224 More about this Journal
Abstract
Structured lipid (SL) produced from soybean oil was enriched with conjugated linoleic acid (CLA). The SL had 21.9 mol % CLA isomers incorporated into SL-soybean after the 24-h reaction. Removal of tocopherols (73~84% loss from original soybean oil) was observed in the SL. Electronic nose can discriminate the aroma of SL-soybean from that of soybean oil. Many oxidative volatiles including pentenal, octenal, 2,4-decandienal, and nonenal were found in SL-soybean. Electronic nose, which is valuable for composite aroma analysis, can provide flavor information together with GC-MS that is useful for qualitative or quantitative analysis of each odor compound in SL.
Keywords
structured lipid; conjugated linoleic acid; electronic nose; solid-phase microextraction (SPME);
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  • Reference
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31 Characterization of lipase-catalyzed structured lipids from selected vegetable oils with conjugated linoleic acid: their oxidative stability with rosemary extracts /
[ Lee JH;Kim MR:Kim HR;Kim IH;Lee KT ] / J Food Sci   DOI   ScienceOn
32 Extraction and quantitative analysis of oil form commercial corn fiber /
[ Moreau RA;Powell MJ;Hicks KB ] / J Agric Food Chem   DOI   ScienceOn
33 Safflower oil consumption dose not increase plasma conjugated linoleic acid concentration in humans /
[ Herbel KB;McGuire MK;Shultz TD ] / Am J Clin Nutr
34 /
[ AOCS ] / Official methods and recommended practices of the American Oil Chemists' Society(4th ed.)
35 Analysis of lipid oxidation of soybean oil using the portable electronic nose /
[ Yang YM;Han KY;Noh BS ] / Food Sci Biotechnol
36 Solid phase microextraction of volatile soybean oil and corn oil compounds /
[ Steenson DF;Lee JH;Min DB ] / J Food Sci   DOI   ScienceOn
37 Chemical and stability characteristics of structured lipids from borage (Borago officinalis L.) and evening primrose (Oenothera biennis L.) oils /
[ Senanayake SPJN;Shahidi F ] / J Food Sci   DOI   ScienceOn
38 Headspace solid-phase microextraction use for the characterization of volatile compounds in vegetable oils of different sensory quality /
[ Jelen HH;Obuchowska M;Zawirska-Wojitasiak R;Wasowicz E ] / J Agric Food Chem   DOI   ScienceOn
39 Analysis of flavor qualities of vegetable oils by gas chromatography /
[ Min DB ] / J Am Oil Chem Soc   DOI
40 Flavor Stability of soybean oil beaed on induction periods for the formation of volatile compounds by gas chromatography /
[ Warner K;Frankel EN ] / J Am Oil Chem Soc   DOI