Journal of the Korean Society of International Agriculture (한국국제농업개발학회지)

The Korean Society of International Agriculture (한국국제농업개발학회)
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Quality Characteristics of Colored Rice Variety, "Keunnunjamibyeo"

큰눈자미벼의 품질특성

  • Ryu, Su-Noh (Department of Agricultural Science, Korea National Open University)
  • 류수노 (한국방송통신대학교 자연과학대학 농학과)
  • Published : 2012.06.30
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Abstract

Keunnunjami, a new blackish purple pigmented rice cultivar with giant embryo, is a midmaturing ecotype developed by a rice breeding team at Korea National Open University. The embryo weight of Keunnunjamibyeo is 2.82 times heavier than that of Heugjinjubyeo on a single grain base. Also, the C3G content of anthocyanin in Keunnunjamibyeo was 2.2 times higher compared with that of Heugjinjubyeo, a Keunnunjami variety. Keunnunjamibyeo showed higher protein as well (8.3%) than Heugjinjubyeo (8.0%). In amino acid composition, lysine greatly increased in Keunnunjamibyeo, while in methionine, cystein slightly decreased compared with Heugjinjubyeo. The lipid content of Keunnunjamibyeo was 1.5 times higher compared with that of Heugjinjubyeo.

한국방송통신대학교에서 육성한 큰눈자미벼는 흑진주벼와 수원425호의 교배후대에서 C3G 색소함량이 높은 계통을 모본으로 선정하고, 쌀눈 크기가 큰 EM76을 부본으로 인공교배하여 육성한 품종으로(품종출원 2009-479호) 품질특성을 조사한 결과는 다음과 같다. 1. 큰눈자미벼는 흑진주벼에 비해 1000립중은 111%, 1립당 쌀눈의 무게는 건물중으로 282% 컸다. 그리고 현미 100 g에 함유된 안토시아닌의 주색소 C3G 함량은 큰눈자미벼의 경우 흑진주벼보다 2.2배 높은 593 mg(100 g 종자)을 함유하였다. 2. 큰눈자미벼의 단백질함량은 8.3%로 흑진주벼의 8.0%에 비해 다소 높았고, 아미노산조성을 보면 lysine 함량이 높았고 methionine과 cystein 함량은 다소 감소하였다. 3. 큰눈자미벼 품종의 현미 지질함량은 5.71%로 흑진주벼의 3.73%에 비해 1.5배 증가하였다. 큰눈자미벼의 지방산 중 팔미틴산과 올레산은 증가하였고, 리놀레산 함량은 감소하였다. 따라서 큰눈자미벼 품종은 고영양미로서 이용가치가 클 것으로 판단되었다.

Keywords

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