한국농림기상학회지, 제 8권 제3호(2006) (pISSN 1229-5671, eISSN 2288-1859)
Korean Journal of Agricultural and Forest Meteorology, Vol. 8, No. 3, (2006), pp. 159~168
ⓒ Author(s) 2014. CC Attribution 3.0 License.


공단지역에서 생육하는 가로수 27종의 항산화특성과
잠재적 환경정화능력

한심희(1), 이재천(1), 오창영(1), 김판기(2)
(1)국립산림과학원 산림유전자원부, (2)국립상주대학교 산림환경자원학과

(2006년 08월 03일 접수; 2006년 08월 29일 수락)

Antioxidant Characteristics and Phytoremediation Potential of 27
Taxa of Roadside Trees at Industrial Complex Area

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

(Received August 03, 2006; Accepted August 29, 2006)

ABSTRACT
In order to screen for the best species for mitigating air pollutants by plants at an industrial complex area, we investigated antioxidant capacity, lipid peroxidation and nitrogen content in the leaves of 27 taxa of woody plants that are mostly utilized as roadside trees. Among 27 taxa, the highest value of antioxidant capacity was given by Cedrus deodara (91.4%) and the lowest one was by Firmiana simplex (56.9%). At lipid peroxidation level, little malondialdehyde (MDA) was observed in Lagerstroemia indica and Ginkgo biloba, but Platanus occidentalis, Castanoposis cuspidata var, sieboldii, Machilus thunbergii and Juniperus chinensis showed high MDA content. Antioxidant capacity of the deciduous woody plants was not significantly different in comparison with that of the evergreen ones. But MDA content of the deciduous woody plants was lower than that of the evergreen ones. The 27 taxa of woody plants appeared to be classified into four types: those of high antioxidant capacity and low lipid peroxidation, those of high antioxidant capacity and high lipid peroxidation, those of low antioxidant capacity and low lipid peroxidation, and those of low antioxidant capacity and high lipid peroxidation. The taxa included in these types are 7 (first type), 6 (second one), 8 (third one) and 6 (fourth one) taxa. first or second type species which have a high antioxidant capacity represented low nitrogen content in their leaves. However, third or forth type species which have low antioxidant capacity showed high nitrogen content in their leaves. Metasequoia glyptostroboides, Platycarya strobilacra and P. occidentalis which belong to the first or second type had extraordinarily high antioxidant capacity and high nitrogen content. Thus, three species are considered to be good phytoremediators for an industrial complex area.

Keyword: Lipid peroxidation, Malondialdehyde, Nitrogen, Phytoremediator

MAIN

적요

대기오염물질을 정화하기에 적합한 수종을 탐색하기 위하여, 공단지역의 가로수로 식재된 27개 수종의 잎에서 항산화 능력, 과산화 지질 함량 및 질소함량을 조사하였다. 27개 수종 중 항산화 능력이 가장 높은 수종은 개잎갈나무(91.4%) 이었고, 가장 낮은 수종은 벽오동(56.9%) 이었다. MDA 함량이 가장 적은 수종은 배롱나무와 은행나무였으나, 양버즘나무, 구실잣밤나무, 후박나무 및 향나무에서는 높은 MDA 함량이 측정되었다. 낙엽활엽수의 항산화 능력은 상록수의 항산화 능력과 뚜렷한 차이가 없었으나, 낙엽활엽수의 MDA 함량은 상록수의 MDA 함량보다 낮게 나타났다. 27개 수종은 항산화 능력과 과산화지질 함량을 기준으로 하여 다음과 같이 4개의 범주로 구분하였다. 범주 I은 높은 항산화 능력과 낮은 과산화지질 함량을 가진 수종, 범주 II는 높은 항산화 능력과 높은 과산화지질 함량을 가진 수종, 범주 III은 낮은 항산화 능력과 낮은 과산화지질 함량을 가진 수종, 범주 IV는 낮은 항산화 능력과 높은 과산화 지질 함량을 가진 수종. 이들 4개 범주에 속하는 수종은 각각 7종(범주 I), 6종(범주 II), 8종(범주 3), 6종(범주 IV) 이었다. 높은 항산화 능력을 가진 범주 I과 II의 수종들은 낮은 질소함량을 나타냈으나, 낮은 항산화능력을 가진 범주 III과 IV의 수종들은 높은 질소함량을 나타냈다. 그러나 범주 I과 II에 속하는 메타세코이아, 굴피나무, 양버즘나무는 예외적으로 높은 항산화 능력과 높은 질소함량을 나타냄으로써 이들 수종들은 공단지역의 식재 수종으로 적합한 것으로 판단되었다.

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