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

  • 제25권5호
  • /
  • Pages.735-740
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  • 1996
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  • 1226-3311(pISSN)
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  • 2288-5978(eISSN)
한국식품영양과학회 (The Korean Society of Food Science and Nutrition)
권호 표지

일반계 및 다수계 미강유의 극성지방질 조성

Comparative Studies on the Composition of Polar Lipids in Japonica and Indica Rice Bran Oils

  • 발행 : 1996.10.01
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초록

일반계 및 다수계 미강유의 극성지방질 조성을 밝히고자 하였다. 미강유 중의 당지방질의 주요성분은 esterified steryl glycoside가 48.8~52.1%로 가장 많이 함유되어 있었고, 그 다음으로는 steryl glycoside, monogalactosyl diglyceride, cerebroside 및 digalactosyl diglyceride순이었다. 인지방질은 phosphatidyl choline이 33.1~36.7%로 가장 많이 함유되어 있었고, 그 다음이 phosphatidyl ethanolamine, phosphatidyl inositol＋phosphatidyl serines, phosphatidyl glycerols, dipho sphatidyl glycerols, lysophosphatidyl cholines 순이었다. 미강유의 당 및 인지방질 획분의 주요지방산은 oleic acid, linoleic acid 및 palmitic acid이었다.

This study was carried out to determine the composition of glycolipids and phospholipids in Japonica and Indica rice bran oils. The ratio of glycolipids and phospholipids was 4.1 : 6.5% in Japonica rice bran oils and 2.6 : 3.7% in Indica rice bran oils. Polar lipid content was significantly higher in Japonica rice bran oils. The main components of glycolipids were esterified steryl glycoside, monogalactosyl diglyceride steryl glycoside, cerebroside and digalactosyl diglyceride. The content of esterified steryl glycoside was the highest, resulting in 48.8~52.1% of total glycolipids. Phospholipids in rice bran oils consisted of diphosphatidyl glycerol, phosphatidyl ethanolamines, phosphatidyl inositol, phosphatidyl serines, phosphatidyl choline and lysophosphotidyl choline. Major fatty acids of the glycolipids and phospholipids fractions were oleic, linoleic and palmitic acids in Japonica and Indica rice bran oils.

키워드

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