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KMID : 1007520010100030267
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Food Science and Biotechnology
2001 Volume.10 No. 3 p.267 ~ p.271
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Chemical Compositions of 26 Varieties of Korean Rice Straw
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Eun, Jong Bang
Kim, Kyong Su/Chung, Young Min/Lee, Jin Cheol
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Abstract
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The chemical composition of 26 varieties of Korean rice straw was analyzed. The crude fiber content in rice straw was 44.02-55.50%, ash 10.01-17.16%, starch 9.2-14.5%, moisture 8.56-9.70%, crude protein 0.26-2.90%, and crude lipid 0.28-0.69%. There were no significant differences in proximate compositions among the 26 rice varieties. The major minerals were K 143-392.4 ㎎/100 g, Ca 59.4-386.1 ㎎/100 g, Zn 31.78-377.8 ㎎/100 g, and Na 19.4-104.4 ㎎/100 g. The contents of IDF, SDF, NDF, ADF, lignin, hemicellulose and cellulose were 70%, 1-2%, 67-73%, 51-61%, 50-60%, 11-17% and 0.3-2% respectively. The lignin content was higher in Hwayoung and Mankum than in the other varieties of others. Ethanol extract content was 1.01-1.52%; and showed little difference among 26 rice varieties. These results may inform further research on the utilization of rice straws.
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