华北农学报 ›› 2013, Vol. 28 ›› Issue (2): 191-196. doi: 10.3969/j.issn.1000-7091.2013.02.034

• 论文 • 上一篇    下一篇

N-苯基-2-萘胺对青菜生长及AsA-GSH循环影响研究

薛延丰1,2,3,4, 冯慧芳1,5, 石志琦1,2,3,4, 严少华6   

  1. 1. 江苏省农业科学院 食品质量安全检测研究所, 江苏 南京 210094;
    2. 江苏省食品质量安全重点实验室, 省部共建国家重点实验室培育基地,江苏 南京210014;
    3. 农业部农产品质量安全控制技术与标准重点实验室, 江苏 南京 210014;
    4. 农业部农产品质量安全风险评估实验室南京, 江苏 南京 210097;
    5. 南京师范大学 生命科学学院, 江苏 南京 210097;
    6. 江苏省农业科学院 农业资源与环境研究所, 江苏 南京 210014
  • 收稿日期:2012-11-22 出版日期:2013-04-28
  • 通讯作者: 严少华(1956-),男,江苏滨海人,研究员,硕士,主要从事沿海滩涂与环境治理研究。
  • 作者简介:薛延丰(1978-),男,河南孟州人,副研究员,博士,主要从事产地环境与食物链安全研究。
  • 基金资助:
    国家科技支撑项目(2009BAC63B02)

Effects of N-phenyl-2-naphthylamine on thegrowth and AsA-GSH Circulation Metabolism in Chinese Cabbage

XUE Yan-feng1,2,3,4, 1,5, FENG Hui-fang1,2,3,4, SHI Zhi-qi6   

  1. 1. Institute of Food Quality and Safety, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;
    2. Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Nanjing 210014, China;
    3. Key Laboratory of Control Technology and Standard for Agro-product Safety and Quality, Ministry of Agriculture, Nanjing 210014, China;
    4. Key Lab of Agro-product Safety Risk Evaluation(Nanjing), Ministry of Agriculture, Nanjing 210097, China;
    5. College of Life Science, Nanjing Normal University, Nanjing 210097, China;
    6. Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
  • Received:2012-11-22 Published:2013-04-28

摘要: 以青菜为材料,研究使用不同浓度N-苯基-2-萘胺处理后对青菜生长及其体内AsA-GSH循环的影响。结果表明,使用不同浓度N-苯基-2-萘胺对青菜的株高及生物量产生不同的影响,其中以0.50mg/L的处理效果最好,当浓度大于0.50mg/L时,株高和生物量均随着N-苯基-2-萘胺使用浓度的增加而降低|处理后还原型抗坏血酸(AsA)、脱氢抗坏血酸(DHA)、总量Vc和AsA/DHA比值的变化趋势相似,0.50mg/L处理下,AsA、DHA、总量Vc、AsA/DHA比值与对照相比均显著增加,当浓度大于0.50mg/L时,AsA、DHA、总量Vc、AsA/DHA比值与对照相比均显著降低|在AsA循环中的抗坏血酸过氧化物酶(APX)、脱氢抗坏血酸还原酶(DHAR)和单脱氢抗坏血酸还原酶(MDHAR)活性变化趋势相似,均随着处理浓度增加呈现出先增加后降低的趋势,其中以0.50mg/L处理下酶活性最高,而抗坏血酸氧化酶(AAO)活性则随着处理浓度的增加而逐渐降低,以0.25mg/L处理效果最好|在还原型谷胱甘肽(GSH)循环中,当处理浓度小于2.50mg/L时,氧化型谷胱甘肽(GSSG)含量随着处理浓度的增加与对照相比稍有下降,但差异不显著,GSH含量与谷胱甘肽还原酶(GR)活性变化趋势相似,随着处理浓度增加呈现出先增加而后逐渐降低,其中以0.50mg/L处理下效果最好。说明合理利用水葫芦中化感物质,有助于植株的生长,同时增加了体内AsA-GSH代谢循环,提高了青菜的抗氧化防御能力。

关键词: N-苯基-2-萘胺, 青菜, 抗坏血酸, 谷胱甘肽, 水葫芦

Abstract: Effects of N-phenyl-2-naphthylamine on thegrowth and AsA-GSH circulation metabolism in Chinese cabbage were studied in the paper. The results showed that the different phenomena were found in the shoot height and biomass when the Chinese cabbages were treated by the different N-phenyl-2-naphthylamine concentrations. Es-pecially,the treatment of 0.50mg/L had the best effect. The shoot height and fresh weight significantly increased compared with the control in the different sampling periods. However,when the concentration of N-phenyl-2-naphth-ylamine was more 0.50mg/L,the shoot height and biomass remarkably decreased with the increase of N-phenyl-2-naphthylamine concentration. The contents of reduced ascorbate(AsA),dehydroascorbate(DHA),total Vc and ratio

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引用本文

薛延丰, 冯慧芳, 石志琦, 严少华. N-苯基-2-萘胺对青菜生长及AsA-GSH循环影响研究[J]. 华北农学报, 2013, 28(2): 191-196. doi: 10.3969/j.issn.1000-7091.2013.02.034.

XUE Yan-feng,, FENG Hui-fang, SHI Zhi-qi,, YAN Shao-hua. Effects of N-phenyl-2-naphthylamine on thegrowth and AsA-GSH Circulation Metabolism in Chinese Cabbage[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(2): 191-196. doi: 10.3969/j.issn.1000-7091.2013.02.034.

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