검정콩 성숙시기에 따른 안토시아닌 함량 변화

Changes of Anthocyanin Contents During Maturity Stages in Black Soybean

  • Yi, Eun-Seob (Gyounggido Agricultural Research and Extension Services) ;
  • Kim, Yong-Ho (College of Medicinal Sciences, Soonchunhyang University)
  • 투고 : 2009.09.19
  • 발행 : 2010.03.31

초록

검정콩 종피에 존재하는 안토시아닌 함량의 변화 분석을 통해 안토시아닌 생성과 종피색소 착색과의 관계를 구명하기 위해 UPLC로 안토시아닌 함량을 분석하여 개별 안토시아닌 축적량과 종피색 변화를 비교분석한 결과는 다음과 같다. 검정콩 종피 내에서의 안토시아닌 생성시기는 일품검정콩은 개화기 후 35일 이전, 흑청콩도 개화기 후 40일 이전이었는데, 가장 먼저 생성된 성분은 두 품종 모두 cyanidin-3-Glucoside이었다. 종피색의 착색시기는 일품검정콩은 개화기 후 45일경, 흑청콩은 개화기 후 55일~60일이었다. 종피착색에 가장 영향을 미치는 개별 안토시아닌은 cyanidin-3-Glucoside로 밝혀졌다. 종색 착색시기와 수확시의 안토시아닌 함량을 비교한 결과, 두 시기의 안토시아닌 함량 증가율은 일품검정콩이 439%, 흑청콩이 249%였으나 수확기의 종피색 착색정도를 구분하기 어려운 점을 고려할 때, 종피색에 관여하는 물질은 안토시아닌 이외의 기타 성분이 존재할 것으로 판단된다.

This study was performed in order to determine the relationship between anthocyanin generation and seed coat pigmentation in black soybean. Soybean genotypes were analyzed the individual anthocyanin contents by UPLC, which were sampled at 5-day intervals from the 35th day after flowering. Ilpumgeomjeongkong had begun to accumulate anthocyanin on the seed coat previous 35 days after flowering, and in case Heugcheongkong was 30 days. The seed coat coloration in Ilpumgeomjeongkong run on till the 45th day after flowering, and that of Heugcheongkong was between 55 and 60days after flowering. Cyanidin-3-Glucoside (C3G) was formed the earliest and accumulated the greatest among three anthocyanin pigments existed in black soybean. So we could be concluded that C3G affected on seed coat pigmentation greatly than other pigments. The anthocyanin contents at maturity in Ilpumgeomjeongkong was 4.4 times higher than at beginning stage of anthocyanin formation, while those of Heugcheongkong was 2.5 times.

키워드

참고문헌

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