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KMID : 0380619860180020143
Korean Journal of Food Science and Technology
1986 Volume.18 No. 2 p.143 ~ p.148
Comparative Studies on the Polar Lipids Composition in Nonglutinous and Glutinous Rice


Abstract
The composition of glycolipids and phospholipids of milled rice grain were studied for four nonglutinous and two glutinous varieties grown in Korea. Main classes of the glycolipids were esterified sterylglycosides, monogalactosyl diglycerides, steryl glycosides, digalactosyl diglycerides and cerebrosides in both of nonglutinous and glutinous, and no differences in individual content of the classes between both varieties. Of the phospholipids, lysophophatidyl cholines, phosphatidyl cholines, phosphatidyl ethanolamines, phosphatidyl inositols and phosphatidyl serines were the major components, comprising oveer 85% of this class, and smaller amounts of diphosphatidyl glycerols and phosphatidyl glycerols were present. There was significant differences individual content of the phospholipid classes between both varieties. The major fatty acids of glycolipids and phospholipids fractions were palmitic, linoleic and oleic acids in both of nonglutinous and glutinous varieties. But content of palmitic acid in glycolipids fraction and stearic, oleic and linoleic acids in phospholipids fraction showed significant differences between both varieties.
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