KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)

The Korean Society of Crop Science (한국작물학회)
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Grain Quality of New Large-Grain Pigmented Rice Variety, "Daeripjamibyeo"

대립자미벼의 품질특성

  • Ryu, Su-Noh (Department of Agricultural Science, Korea National Open University)
  • 류수노 (한국방송통신대학교 자연과학대학 농학과)
  • Received : 2013.03.18
  • Accepted : 2013.05.06
  • Published : 2013.06.30
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Abstract

Daeripjami, a novel black rice variety developed by conventional breeding has high contents of Cyanidin-3-glucoside(C3G) and a more strong antioxidant than normal black rice. This study aimed at informing ordinary people of the superiority of Daeripjami, a variety of rice proven to be superb physiologically and valuable as natural coloring, and making it popular by examing the physicochemical features of the rice. Recently, an increasing number of people in modern society are suffering from various adult diseases and atopic diseases. Therefore, in order to resolve the problem by making people consume more C3G, the main coloring contained in functional rice Daeripjami. The general components of Daeripjami, Superjami, Heugjinju and Ilpum were compared, As for water content, Ilpum took first place, followed by Heugjinju, Daeripjami and Superjami, As for crude protein and fat content, Heugjinju was highest, followed by Daeripjami, Superjami and Ilpum. This indicated that Daeripjami likely has better cooking qualities than Heugjinju. Amylose content turned out to be related with the volume, stickness and retrogradation of cook rice. As Heugjinju contained more amylose than Daeripjami, the latter was expected to have better eating quality than the former. The 1000 grain weight of daeripjami was 1.67 times heavier than that of Heugjinju. The C3G content of Daeripjami is 3.49 times higher compared with that of Heugjinju. As for total polyphenol and electron donating ability, Daeripjami was high in physiological functionality.

대립자미는 전통적인 교배육종방법을 통하여 육성한 품종으로 안토시아닌 색소 중에서 C3G 함량이 높고 항산화 능력이 뛰어난 기능성 품종이다. 본 연구의 목적은 천연색소로서 가치를 지니며 생리적으로 우수하다고 규명된 대립자미의 품질 특성을 구명하여 이를 일반인에게 알리고 대중화 하는 데 있다. 최근 각종 성인병과 아토피 등 현대화되는 사회에서 늘어가는 질병을 예방하고자 기능성을 가진 대립자미의 주색소인 C3G의 섭취를 늘리고 식품소재로 활용하기 위한 기초자료를 마련하고자 연구를 수행하였다. 일반성분의 경우 수분함량은 일품벼가 가장 높았고, 흑진주, 대립자미, 슈퍼자미 순이었고, 식미와 관계가 있는 조단백질과 조지방함량은 흑진주벼보다 낮아 대립자미의 취반 특성이 우수한 것으로 평가되었다. 아밀로스 함량은 밥의 부피와 끈기, 노화지연에 관계가 있는데, 대립자미가 낮아 기존의 유색미보다 취반특성이 좋은 것으로 확인되었다. 대립자미의 1,000립중은 28.1 g으로 흑진주벼보다 1.7배, 천연색소 C3G 함량은 3.8배 높은 특징을 가진 품종으로 항산화 생리활성을 가지는 총 폴리페놀 함량과 전자공여능을 측정한 결과 대립자미는 높은 생리기능성을 가진 품종으로 확인되었다.

Keywords

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