한국농림기상학회지, 제 8권 제2호(2006) (pISSN 1229-5671, eISSN 2288-1859)
Korean Journal of Agricultural and Forest Meteorology, Vol. 8, No. 2, (2006), pp. 107~115
ⓒ Author(s) 2014. CC Attribution 3.0 License.

환경오염지에서 생육하는 사방오리나무의 색소함량 및
항산화능력의 계절변화

한심희(1), 이재천(1), 오창영(1), 김종갑(2), 김판기(3)
(1)국립산림과학원 산림유전자원부, (2)경상대학교 산림자원학과,
(3)국립상주대학교 산림환경자원학과

(2006년 04월 30일 접수; 2006년 06월 02일 수락)

Seasonal Changes of Pigment Content and Antioxidant Capacity in
Leaves of Alnus firma at Polluted Area

Sim-Hee Han(1), Jae-Cheon Lee(1), Chang-Young Oh(1), Jong-Kab Kim(2), Pan-Gi Kim(3)
(1)Department of Forest Genetic Resources, Korea Forest Research Institute, Suwon 441-350, Korea
(2)Faculty of Forest Science, Gyeongsang National University, Chinju 660-701, Korea
(3)Department of Forest Resources and Environment, Sangju National University, Sangju 742-711, Korea

(Received April 30, 2006; Accepted June 02, 2006)

To elucidate the relation of leaf development stage to the antioxidative function in leaves of Alnus firma Sieb. et Zucc. growing in polluted areas, we investigated seasonal changes of pigment content and antioxidant enzyme activities from January to June. In abandoned mine and industrial complex areas, antioxidant function against stress of trees was changed with leaf expansion, and antioxidant activity in leaves was highest in June. Among antioxidants, carotenoid, SOD and CAT were correlated with seasonal change. Carotenoid and SOD represented a positive correlation but CAT represented a negative correlation with leaf development. APX and CAT, which remove H2O2, had a complementary function in the antioxidant system. The lowest antioxidant activity was observed in April, and the damage level in leaves, shown as MDA content, was also lowest in April.

Keyword: Alnus firma, Polluted area, Antioxidant, Carotenoid, Leaf development



오염물질에 노출된 수목에서 잎의 발달 단계와 항산화 기능의 관계를 구명하기 위하여, 1월부터 6월까지 색소 함량과 항산화 활성의 변화를 조사하였다. 폐광지역과 공단지역내 수목의 스트레스에 대한 항산화 기능은 잎 발달과 함께 변화하며, 6월에 가장 높은 항산화 활성을 나타내었다. 항산화 물질 중 계절 변화와 상관을 나타내는 것은 카로테노이드, SOD 및 CAT였으나, 카로테노이드와 SOD는 정(+)의 상관을 나타냈고, CAT는 부(−)의 상관을 보였다. 또한 H2O2를 제거하는 데 관여하는 APX와 CAT는 상호 보완적인 관계를 나타냈다. 가장 낮은 항산화 활성을 나타내는 시기는 4월이었으며, 이 시기에는 스트레스로 인해 피해 수준도 낮았다.


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