| 高温胁迫对枇杷果皮热伤害的抗氧化特性影响 |
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| 引用本文： | 邓朝军,许奇志,蒋际谋,魏秀清,章希娟,郑少泉.高温胁迫对枇杷果皮热伤害的抗氧化特性影响[J].热带亚热带植物学报,2012,20(5):439-444. |
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| 作者姓名： | 邓朝军 许奇志 蒋际谋 魏秀清 章希娟 郑少泉 |
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| 作者单位： | 福建省农业科学院果树研究所,福州350013;福建省龙眼枇杷育种工程技术研究中心,福州350013 |
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| 基金项目： | 公益性行业(农业)科研专项(201003073); 农业科技成果转化基金项目(2010GB2C400213); 农业部作物种质资源保护项目(NB2011-2130135-08); 农业部热带作物种质资源保护项目(12RZZY); 福建省科技厅重点项目(2009R0031、2010Y1002、2011Y1002)资助 |
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| 摘 要： | 为探讨枇杷Eriobotrya japonica(Thunb.)Lindl.]对高温胁迫的响应,对‘红种’枇杷果皮热伤害的抗氧化特性进行研究。结果表明,在自然光下,枇杷果皮热伤害的阈值为40℃(1.5 h),且果皮热伤害与温度和持续时间关系密切,光照可促进热伤害的发生。枇杷果皮受热伤害程度与果实本身的营养状态有关,果肉维生素C(Vc)、钙(Ca)含量越低,果皮热伤害级数越高。与25℃相比,40℃高温处理增加了果皮的超氧阴离子和丙二醛(MDA)含量,而超氧化物歧化酶(SOD)、过氧化物酶(POD)的活性呈下降趋势。这揭示了高温胁迫下枇杷果皮对热伤害的抗氧化响应机制。
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| 关 键 词： | 枇杷 果皮 高温胁迫 热伤害 抗氧化特性 |
| 收稿时间： | 2012/2/28 0:00:00 |
| 修稿时间： | 2012/4/24 0:00:00 |
Changes in Antioxidant Properties Induced by Heat Injury in Loquat Peel under High Temperature Stress |
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| DENG Chao-jun,XU Qi-zhi,JIANG Ji-mou,WEI Xiu-qing,ZHANG Xi-juan and ZHENG Shao-quan.Changes in Antioxidant Properties Induced by Heat Injury in Loquat Peel under High Temperature Stress[J].Journal of Tropical and Subtropical Botany,2012,20(5):439-444. |
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| Authors: | DENG Chao-jun XU Qi-zhi JIANG Ji-mou WEI Xiu-qing ZHANG Xi-juan and ZHENG Shao-quan |
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| Institution: | 1. Fruit Research Institute, Fujian Academy of Agricultural Sciences, China;2. Fujian Breeding Engineering Technology Center for Longan & Loquat, China;1. Fruit Research Institute, Fujian Academy of Agricultural Sciences, China;2. Fujian Breeding Engineering Technology Center for Longan & Loquat, China;1. Fruit Research Institute, Fujian Academy of Agricultural Sciences, China;2. Fujian Breeding Engineering Technology Center for Longan & Loquat, China;1. Fruit Research Institute, Fujian Academy of Agricultural Sciences, China;2. Fujian Breeding Engineering Technology Center for Longan & Loquat, China;1. Fruit Research Institute, Fujian Academy of Agricultural Sciences, China;2. Fujian Breeding Engineering Technology Center for Longan & Loquat, China;1. Fruit Research Institute, Fujian Academy of Agricultural Sciences, China;2. Fujian Breeding Engineering Technology Center for Longan & Loquat, China |
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| Abstract: | |
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| Keywords: | Eriobotrya japonica (Thunb ) Lindl Peel High temperature stress Heat injury Antioxidant property |
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