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Nutritional Components and Cooking Characteristics of High Quality Rice

고품질 쌀의 품종별 영양성분 및 취반 특성

  • Woo, Koan Sik (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Seuk Ki (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Byong Won (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Kim, Jeong-Ju (National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Jihae (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Yu-Young (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Byoungkyu (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Kim, Hyun-Joo (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration)
  • 우관식 (국립식량과학원 중부작물부) ;
  • 이석기 (국립식량과학원 중부작물부) ;
  • 이병원 (국립식량과학원 중부작물부) ;
  • 김정주 (국립식량과학원) ;
  • 이지혜 (국립식량과학원 중부작물부) ;
  • 이유영 (국립식량과학원 중부작물부) ;
  • 이병규 (국립식량과학원 중부작물부) ;
  • 김현주 (국립식량과학원 중부작물부)
  • Received : 2018.02.06
  • Accepted : 2018.03.29
  • Published : 2018.04.30

Abstract

The objective of this study was to evaluate quality properties of high quality rice. Seven rice varieties, Dabo, Daebo, Samkwang, Sindongjin, Sukwang, Jinsumi, and Haiami, were investigated for proximate contents and physicochemical characteristics. Moisture content was highest in the Jinsumi (13.13%). Protein and lipid content was highest in the Haiami. The amylose content of the rice cultivars was 20.15~22.51%. The degree of amylopectin polymerization (DP) was analyzed, and in all cultivars, DP 13-24 content was found to be highest, at more than 53%, whereas DP ${\geq}37$ content was lowest, at less than 5.81%. With regard to free sugar, maltose content in rice was the highest (${\geq}46%$). Toyo value of rice was highest in Samkwang, Daebo, and Jimsumi. Palatability characteristics were highest in Daebo and Jimsumi. Thus, the results of this study suggested that Samkwang, Daebo, and Jinsumi can be effectively used as processed cooked rice, though further studies should be required regarding changes in the quality of rice after cooking.

Keywords

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