KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)

The Korean Society of Crop Science (한국작물학회)
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Quality Characteristics of New Reddish Brown Color Rice Variety "Superhongmi"

슈퍼홍미 벼품종의 품질특성

  • Ryu, Su-Noh (Dept. of Agricultural Science, Korea National Open University)
  • 류수노 (한국방송통신대학교 자연과학대학 농학과)
  • Received : 2015.10.05
  • Accepted : 2015.11.04
  • Published : 2015.12.31
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Abstract

'Superhongmi' is a new rice variety with reddish brown color developed from a crossing a high cyanidin 3-glucoside (C3G) content beeeds including Heugjinju and Suwon 425 and a big grain size breed such as Daeribbyeo. This variety heads on Sep. 5 and has 86.7 cm culm length. The fertility ratio of Superhongmi was about 81.7% and weight of 1,000-grain was about 26.8 g. The 1,000 grain weight of Superhongmi was heavier than that of Superjami. The total essential amino acid content of Superhongmi was lower than those of others. However, Superhongmi was high in tyrosine and arginine. Total polyphenol content of Superhongmi was 2 times higher than that of Heugjinju and flavonoid content was 8 times higher than that of Dongjinbyeo. In addition, hydroxy radical scavenging activity of Superhongmi was significantly higher than that of Dongjinbyeo. However, significant differences were not found in the newly breed colored rice. These results suggest that Superhongmi variety has very high value as a source of various functional food as well as stable food.

전통적인 교배육종을 통하여 총 폴리페놀 함량을 높인 슈퍼홍미(흑진주벼/수원 425호//대립벼 1호)벼 품종(품종출원 2015-339호)의 작물학적 특성과 품질특성을 조사 분석한 결과를 요약하면 다음과 같다. 슈퍼홍미벼 품종의 평균출수기는 9월 5일로 만생종이며, 간장은 94.7 cm 정도이며 임실률은 81.7%였다. 또한 현미천립 중은 26.8 g 정도로 슈퍼자미(26.2 g)보다 무거운 품종이다. 슈퍼홍미벼 품종은 다른 유색미 품종보다 기름함량과 단백질 함량이 낮았다. 그리고 불포화지방산인 올레산, 리놀레산 함량이 높았다. 공시 유색미품종의 필수아미노산 함량은 현미 100 g 당 슈퍼홍미 6695.13 mg, 슈퍼자미 6898.28 mg으로서 비슷하였으며, 필수아미노산 중에서 슈퍼홍미 품종은 tyrosin과 arginine은 높은 것으로 평가되었다. 슈퍼홍미벼 품종의 총 폴리페놀함량은 248.31 mg으로서 동진벼 보다 6배, 흑진주벼 보다 2배 높았다. 플라보노이드 함량은 동진벼 보다 8배, 흑진주벼 보다 2배 높았다. 슈퍼홍미의 hydroxy radical 소거능은 동진벼 보다 높은 활성을 나타내는 것으로 확인되었다. 그러나 유색미 간의 hydroxy radical 소거능은 유의적인 차이는 보이지 않았다. 따라서, 슈퍼홍미는 식량으로서 뿐만 아니라 다양한 기능성 식품소재로서 높은 가치가 있는 것으로 기대된다.

Keywords

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