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Analyses of Nutrients and Antinutrients of Rice Cultivars  

Kyoun, Oh-Yun (Dept. of Food Science and Nutrition, Chungnam National University)
Oh, Sang-Hee (Dept. of Food Science and Nutrition, Chungnam National University)
Kim, Hyun-Ju (Dept. of Food Science and Nutrition, Chungnam National University)
Lee, Jeong-Hee (Dept. of Food Science and Nutrition, Chungnam National University)
Kim, Hyoung-Chin (Bio-Evaluation center, Korea Research Institute of Bioscience and Biotechnology)
Yoon, Won-Kee (Bio-Evaluation center, Korea Research Institute of Bioscience and Biotechnology)
Kim, Hwan-Mook (Bio-Evaluation center, Korea Research Institute of Bioscience and Biotechnology)
Kim, Mee-Ree (Dept. of Food Science and Nutrition, Chungnam National University)
Publication Information
Korean journal of food and cookery science / v.22, no.6, 2006 , pp. 949-956 More about this Journal
Abstract
Eleven rice varieties, five normal-yielding and six high-yielding, were examined for proximate composition, mineral and fatty acid composition, and antinutrients. The proximate rice compositions for moisture, crude protein, crude fat, carbohydrate, crude fiber and crude ash were 10.70${\sim}$15.88%, 5.03${\sim}$7.73%, 0.45${\sim}$1.33%, 74.56${\sim}$82.05%, 0.30${\sim}$0.73% and 0.31${\sim}$0.91%, respectively. The proximate composition of the various rice varieties was not significantly different except for moisture and carbohydrate. The contents of saturated fatty acid, monounsaturated fatty acid and polyunsaturated fatty acid of the rice varieties were 22.45${\sim}$25.99%, 36.50${\sim}$44.99% and 32.01${\sim}$46.02%, respectively. Several high-yielding rices varieties had higher oleic acid or linoleic acid. Ilmi and Nampyung had high oleic acid contents at ever 40%, and Dongjin No. 1, IlPum, Junam and Seachuchung had high linoleic acid contents at over 37%. The major minerals of rice were K and Mg and their respective contents were 85.62% and 25.55%. High-yielding rice varieties had significantly higher Mn and Na contents and lower Mg and Fe contents than normal-yielding rice varieties (p<0.05). Antinutrients such as lectin, phytic acid and trypsin inhibitor were not detected in any of the rice varieties.
Keywords
Rice; proximate composition; mineral; fatty acid; antinutrient;
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