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Nutritional Composition of Drought-Tolerant Transgenic Rice

형질전환 가뭄저항성 벼 현미의 주요 영양성분 분석

  • Lee, Young-Tack (Dept. of Food Science and Biotechnology, Gachon University) ;
  • Lee, Hyang-Mi (Dept. of Food Science and Biotechnology, Gachon University) ;
  • Ahn, Byung-Ohg (National Academy of Agricultural Science, Rural Development Administration) ;
  • Cho, Hyun-Suk (National Academy of Agricultural Science, Rural Development Administration) ;
  • Suh, Seok-Chul (National Academy of Agricultural Science, Rural Development Administration)
  • 이영택 (가천대학교 식품생물공학과) ;
  • 이향미 (가천대학교 식품생물공학과) ;
  • 안병옥 (농촌진흥청 국립농업과학원 농업생명자원부) ;
  • 조현석 (농촌진흥청 국립농업과학원 농업생명자원부) ;
  • 서석철 (농촌진흥청 국립농업과학원 농업생명자원부)
  • Received : 2012.11.05
  • Accepted : 2013.04.29
  • Published : 2013.05.31

Abstract

This study compared the nutritional components (proximate components, fatty acids, amino acids, minerals and vitamins) between genetically modified (GM) drought-tolerant rice and a parental rice cultivar (Ilmibyeo) as a non-GM control. Both GM and non-GM rices were grown and harvested in two different locations, Gunwi and Suweon in Korea. Proximate components (moisture, starch, protein, lipid, and ash contents) were similar between the drought-tolerant GM rice and the conventional non-GM rice. There were no significant differences between the GM and non-GM rice in most of their nutrient compositions, despite minor locational differences of some amino acids and minerals. These results indicate that transgenic rice with a genetically improved resistance to drought is equivalent to the parental rice cultivar without major changes in its chemical contents.

본 연구는 국내에서 개발되어 내건성을 갖도록 형질전환된 가뭄저항성 벼(GM 벼)와 그 모종 벼인 일미벼(non-GM 벼)로부터 쌀(현미)의 일반성분, 지방산, 아미노산, 무기질, 비타민 함량을 분석하여 가뭄저항성 벼에서 주요 영양성분의 조성에 차이가 있는지를 비교, 조사하였다. 본 실험에 사용한 벼는 군위와 수원 두 지역에서 재배되었다. 가뭄저항성 쌀은 모종 쌀과 일반성분 함량이 유사하였으며 두 재배지역간 성분 차이가 없는 것으로 나타났다. GM 쌀의 지방산 조성은 non-GM 쌀과 전체적인 지방산 조성과 유사한 것으로 나타났다. GM 쌀의 아미노산 함량은 non-GM 쌀과 차이가 없었으나 non-GM 쌀 모종의 경우 두 재배지역간에 아미노산 함량에 다소간의 차이가 있어 같은 품종이라도 재배지역에 따라 차이를 줄 수 있는 것으로 나타났다. 가뭄저항성 쌀이 non-GM 쌀에 비해 무기질 함량이 약간 높은 수치로 측정되었지만 유의적인 차이는 없는 것으로 평가되었으며, 비타민 $B_1$과 비타민 E 함량에도 별 차이가 없는 것으로 나타났다.

Keywords

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