Korean Journal of Breeding Science (한국육종학회지)

The Korean Society of Breeding Science (한국육종학회)
권호 표지

Change of Total Anthocyanin Contents and Antioxidant Activities of Purple Waxy Corn (Zea mays L.) Inbred Lines and Hybrids during Grain Filling

등숙기에 따른 검정찰옥수수 자식계통 및 교잡계의 안토시아닌 함량 및 항산화 활성

  • Lee, Jin-Seok (National Institute of Crop Science, Rural Development Administration) ;
  • Son, Beom-Young (National Institute of Crop Science, Rural Development Administration) ;
  • Kim, Jung-Tae (National Institute of Crop Science, Rural Development Administration) ;
  • Ku, Ja-Hwan (National Institute of Crop Science, Rural Development Administration) ;
  • Han, Ok-Kyu (National Institute of Crop Science, Rural Development Administration) ;
  • Baek, Seong-Bum (National Institute of Crop Science, Rural Development Administration) ;
  • Moon, Jung-Kyung (National Institute of Crop Science, Rural Development Administration) ;
  • Hwang, Jong-Jin (National Institute of Crop Science, Rural Development Administration) ;
  • Kwon, Young-Up (National Institute of Crop Science, Rural Development Administration)
  • 이진석 (농촌진흥청 국립식량과학원) ;
  • 손범영 (농촌진흥청 국립식량과학원) ;
  • 김정태 (농촌진흥청 국립식량과학원) ;
  • 구자환 (농촌진흥청 국립식량과학원) ;
  • 한옥규 (농촌진흥청 국립식량과학원) ;
  • 백성범 (농촌진흥청 국립식량과학원) ;
  • 문중경 (농촌진흥청 국립식량과학원) ;
  • 황종진 (농촌진흥청 국립식량과학원) ;
  • 권영업 (농촌진흥청 국립식량과학원)
  • Published : 2012.09.30
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Abstract

This study was carried out to compare the total anthocyanin contents and antioxyidant activities of black waxy inbred lines and hybrids of corn (Zea mays L.) at differnet harvest time from 2009 to 2011. In 2009, Total anthocyanin contents measured in 31 black waxy inbred lines of corn. The results indicated that KBW39 had, 173.3 mg/100g, the highest total anthocyanin contents of tested inbred lines while KBW22 had, 14.0 mg/100g, the lowest. Their hybrids were planted and harvested in 19, 21, 23, 25, and 45 days after pollination in 2010. Their total anthocyanin contents and antioxidant activities were increased as the delay of harvest time. Their correlation coefficient was 0.64. In 2011, hybrid combination KBW2/KBW39 had, 120 mg/100g, the highest total anthocyanin contents and their parent also had higher total anthocyanin contents than that of the other hybrids. Lightness and yellowness were decreased at late harvest time, but redness was not. Change of lightness at harvest time was bigger than that of redness and yellowness. Correlation between total anthocyanin contents and lightness was negative and their correlation coefficient was -0.8456 in 2010 and -0.9050 in 2011.

본 연구는 검정찰옥수수 교잡계와 그의 자식계통들에 대해 수분 후 일수가 늘어남에 따라 옥수수 알맹이의 총안토시아닌 함량과 항산화 활성의 변화 양상을 구명하고 육종에 활용할 수 있는 기초자료를 제공하고자 수행하였으며 그 결과는 다음과 같다. 2009년 31개의 검정찰옥수수 자식계통의 총안토시아닌 함량은 평균 52.3 mg/100 g 이었고 KBW39가 173.3 mg/100 g으로 가장 높았으며 KBW1 등 4개 계통의 총안토시아닌 함량은 150 mg/100 g 이상이었다. 2010년 33개의 검정찰옥수수 교잡계의 총안토시아닌 함량은 수확시기가 늦어질수록 증가하였고 항산화 활성 역시 안토시아닌 축적과 유사한 경향을 나타내었으며 상관분석 결과 0.64의 정의 상관을 보였다. 2011년 자식계통과 그의 교잡계의 총안토시아닌 함량과 항산화 활성의 변화는 2009년과 2010년에서 본 결과 총안토시아닌 함량, 수분 후 일수에 따른 변화 양상, 항산화 활성 등에 차이가 있었으며 이는 기상환경에 따른 안토시아닌 축적의 변화와 안토시아닌 이외의 항산화물질들 함량변화와 관련 있을 것으로 사료되었다. 총안토시아닌 함량은 KBW2/KBW39의 교배조합이 120 mg/100 g으로 가장 높았고 모본과 부본 역시 각각 118.1 mg/100 g, 195.0 mg/100 g으로 함량이 높았다. 총안토시아닌 함량과 Hunter's Lab 값은 유의한 차이가 있었으며 명도는 총안토시아닌 함량이 증가할수록 감소하였고 상관분석결과 상관계수가 2010년에는 -0.8456, 2011년에는 -0.9050으로 고도로 높은 부의 상관을 나타내었다.

Keywords

References

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