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《Chinese Journal of Applied & Environmental Biology》 2006-02
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Effects of Simulated Acid Rain on Resistance Physiology and Medicinal Components of Eucommia ulmoides Oliv.

QI Zemin 1,2, ZHONG Zhangcheng 2** & YANG Wanqin 3 ( 1 Department of Chemistry and Life Science, Neijiang Normal University, Neijiang 641112, Sichuan, China) ( 2School of Life Science, Southwest China Normal University, Chongqing 400715, China) ( 3Faculty of Forestry, Sichuan Agricultural University, Ya′an 625014, Sichuan, China)  
The effects of simulated acid rain on resistance physiology, and the contents of chlorogenic acid, aucubin and flavonoids in Eucommia ulmoides leaves were studied. The results indicated that under the stress of simulated acid rain, the pH values of leaf cell, and the contents of K +and Ca 2+ decreased with the declining of pH values of acid rain, and were positively correlated with them in spring, summer and autumn; on the other hand, the changes in the activities of protective enzyme superoxide dismutase (SOD), peroxidase (POD), catalase (CAT) and the contents of ascorbic acid (AsA) were shown in sole peak curve in spring and summer, but positively correlated with the pH values of acid rain in autumn; the contents of proline (Pro) were negatively correlated with the pH values of acid rain in spring and summer, but decreased sharply under the stress of pH 3.0 and 2.5 acid rain in autumn; in spring, summer and autumn, the contents of malondialdehyde (MDA) were negatively correlated with the pH values of acid rain; moreover, in spring only pH 2.5 acid rain could significantly affect the contents of chlorogenic acid, aucubin and flavonoids, but in summer and autumn they were positively correlated with the pH values of acid rain. Fig 1, Tab 2, Ref 27
【Fund】: 国家重点基础研究发展规划项目(No.G2000046801)资助~~
【CateGory Index】: S567.19
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Chinese Journal Full-text Database 1 Hits
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【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 Baosiriguleng,Siqinbateer,TIAN Gui-quan,Wei Xian-jun(College of Life Science and Technology,Inner Mongolia Normal University,Hohhot 010022,China);Effect of Osmotic Stress on Reactive Oxygen Species Metabolis-m of Hypnum vaucheri Lesq.[J];Journal of Inner Mongolia Normal University(Natural Science Edition);2011-01
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