Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Change of Fatty Acid of Non-Polar Lipid in Flint Corn During the Growth Process

경립종 옥수수의 성장과정중 비극성 지질의 지방산 변화

  • Published : 1994.10.01
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Abstract

In this study the quantity and the ratio of saturated and unsaturated fatty acids were investigated with using gas chromatography after non-polar lipid of the flint corn in the growing period was extracted with the solution of chloroform : methanol (2 : 1) and then separated by the SACC method. Neutral lipid was separated into monoglyceride(MG), 1, 3-diglyceride (1, 3-DG) , free fatty acid (FFA) , triglyceride (TG), cholesteryl ester (CE). Fatty acid of each spot was mainly composed of linoleic , oleic and palmitic acids. Lonolieic acid decreased in MG(54.5-51.4%), CE(31.3-28.9%) but increased ini TG(57.2-63.8%) during growth process. Olec acid increased in MG(25.7-29.3%), 1, 3-DG(24.7-28.9%), CE(16.7-19.9%) but decreased in TG28.6-23.1%). Palmitic acid decreased in MG(12.8-11.5%), FFA(25.7-24.1%), TG(10.4-9.3%) but increased in CE(26.4-31.5%) during a growth process. The ratio of unsaturated to saturated fatty acid in TG(7.01-7.84%) was higher in five spots of neutral lipid and in 1, 3-DG(4.61-4.16%) decreased growth process but increased in MG(5.06-5.60%), TG(7.01-7.84%).

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