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http://dx.doi.org/10.3746/jkfn.2009.38.4.470

Enzymatic Synthesis of Low Trans Fats Using Rice Bran Oil, Palm Stearin and High Oleic Sunflower Seed Oil  

Kim, Ji-Young (Dept. of Food Science and Technology, Chungnam National University)
Lee, Ki-Teak (Dept. of Food Science and Technology, Chungnam National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.38, no.4, 2009 , pp. 470-478 More about this Journal
Abstract
Low trans fats were synthesized by interesterification of rice bran oil (RBO), palm stearin (PS) and high oleic sunflower seed oil (HO) using TLIM from Thermomyces lanuginosa. After 24-h reaction, physicochemical characteristics such as fatty acid and triacylglycerol composition, solid fat content, melting point, tocopherol, oryzanol and phytosterol contents were evaluated. Trans fatty acid contents of the produced low-trans fats showed less than 0.5 wt%. Mostly, triacylglycerol species in the products were palmitoyl-linoleoyl-oleoyl-glycerol (PLO), palmitoyl-oleoyl-oleoyl-glycerol (POO) and palmitoyl-oleoyl-palmitoyl-glycerol (POP). Total tocopherol contents ranged from 6.94 to 11.83 mg/100 g while $0.18{\sim}0.49$ mg/100 g of $\gamma$-oryzanol and $182.47{\sim}269.08$ mg/100 g of phytosterols were observed depending on the substrates ratios. When the content of PS in the reaction substrate was increased, solid fat content and slip melting points were increased.
Keywords
interesterification; rice bran oil; palm stearin; high oleic sunflower seed oil;
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Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By SCOPUS : 2
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