Comparative Studies on the Lipid Content and Neutral Lipid Composition in Japonica and Indica Rice Bran Oils

일반계 및 다수계 미강유의 지방질 함량과 중성지방질 조성

  • 권경순 (군산전문대학 식품영양과) ;
  • 김현구 (한국식품개발연구원) ;
  • 안명수 (성신여자대학교 식품영양학과)
  • Published : 1996.04.30

Abstract

This study was carried out to determine the lipid content and neutral lipid compositions of Japonica and indica rice bran oils. The average content ratio of neutral lipids, g]ycolipids and phospholipids were 89.5 : 4.0 : 6.5 in japonica rice bran oil and 93.7 : 2.6 : 3.7 in Indica rice bran oils, respectively. It was seen that the neutral lipid content was significantly higher in JAponica rice bran oil, while the contents of glycolopods and phospholipids were significantly higher in japonica rice bran oils. The neutral lipids consisted of esterified sterol, triglyceride, free fatty acid, free sterol, diglyceride and monoglyceride. Triglyceride was the highest (48.7-49.7%) among the neutral lipids. Major fatty acids of rice bran oils were oleic (39.65-43.68f)), linoleic (32.62-39.42%) and palmitic acid (16.54-18.83%). The linoleic acid content was higher in Japonica rice bran oils than in indica rice bran oils.