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Yiwei Jiang, Eric Watkins, Shuwei Liu, Xiaoqing Yu and Na Luo

determined using Bradford's method ( Bradford, 1976 ). The activity of SOD, ascorbate peroxidase (APX), glutathione reductase (GR), CAT, and peroxidase (POD) was assayed by using methods of Zhang and Kirkham (1996) with minor modifications ( Wang and Jiang

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Sarunya Yimyong, Tatsiana U. Datsenka, Avtar K. Handa and Kanogwan Seraypheap

inferior ripening or inability to ripen after LTS ( Sala and Lafuente, 2004 ). Induction of ROS scavenging enzymes such as ascorbate peroxidase (APX), catalase (CAT), and glutathione reductase (GR) has been suggested as a mechanism to protect cells under

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Lixin Xu, Liebao Han and Bingru Huang

well-watered control plants ( Baczek-Kwinta et al., 2010 ). Fig. 5. The activities of ascorbate peroxidase (APX), monodehydroascorbate reductase (MR), glutathione reductase (GR), and dehydroascorbate reductase (DR) under well-watered, drought

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Longxing Hu, Tao Hu, Xunzhong Zhang, Huancheng Pang and Jinmin Fu

nonenzymatic detoxification mechanisms). Antioxidant enzymes consisted of superoxide dismutase, catalase, peroxidase (POD), ascorbate peroxidase, etc. ( Apel and Hirt, 2004 ). SOD catalyzes the dismutation of O 2 − to molecular O 2 and H 2 O 2 ( Meloni et al

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Zhimin Yang, Jingjin Yu, Emily Merewitz and Bingru Huang

rate of p-nitro blue tetrazolium chloride reduction at 560 nm ( Giannopolities and Rise, 1977 ). The activity of peroxidase (EC 1.11.1.7) and ascorbate peroxidase (EC 1.11.1.1) was determined by measuring the changes in absorbance at 470 and 290 nm

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Safwan Shiyab

. CAT = catalase; SOD = superoxide dismutase; POD = peroxidase; APX = ascorbate peroxidase; MDA = malondialdehyde; H 2 O 2 = hydrogen peroxide. Analysis of total minerals in plant and soil. Cr concentration increased in soil containing Cr(CO 3 ) 3 at

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Qi Wang, Rui Zhao, Qihang Chen, Jaime A. Teixeira da Silva, Liqi Chen and Xiaonan Yu

the plant in response to severe drought stress, it was damaged at early growth stages. Fig. 5. Activities of superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), and ascorbate peroxidase (APX) of two herbaceous peony cultivars under drought

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Lixin Xu, Mili Zhang, Xunzhong Zhang and Lie-Bao Han

the end of cold treatment (21 d). POD activity dropped sharply from 0 to 7 d and then remained unchanged due to the cold treatment ( Fig. 5B ). At 21 d, cold treatment reduced POD activity by 21%. Fig. 5. ( A ) Leaf ascorbate peroxidase (APX) and ( B

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Shuai-Ping Gao, Kang-Di Hu, Lan-Ying Hu, Yan-Hong Li, Yi Han, Hui-Li Wang, Kai Lv, Yong-Sheng Liu and Hua Zhang

that of H 2 S-fumigated fruit. Fig. 4. Effect of hydrogen sulfide (H 2 S) [1.0 mmol·L −1 sodium hydrosulfide (NaHS)] on the activities of ( A ) guaiacol peroxidase (POD), ( B ) catalase (CAT), ( C ) ascorbate peroxidase (APX), ( D ) glutathione

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Ji-Lian Zheng, Lan-Ying Hu, Kang-Di Hu, Jun Wu, Feng Yang and Hua Zhang

(H 2 S) on the activities of ( A ) catalase (CAT); ( B ) ascorbate peroxidase (APX); ( C ) guaiacol peroxidase (POD); ( D ) superoxide dismutase (SOD); ( E ) glutathione reductase (GR); ( F ) lipoxygenase (LOX); ( G ) polyphenol oxidase (PPO); ( H