|本期目录/Table of Contents|

[1]胡康棣,彭湘君,姚改芳,等.不同耐贮性甘薯的抗氧化特性差异[J].江苏农业科学,2021,49(16):162-168.
 Hu Kangdi,et al.Study on difference of antioxidant characteristics of sweet potatoes with different storability[J].Jiangsu Agricultural Sciences,2021,49(16):162-168.
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不同耐贮性甘薯的抗氧化特性差异(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第16期
页码:
162-168
栏目:
贮藏加工与检测分析
出版日期:
2021-08-20

文章信息/Info

Title:
Study on difference of antioxidant characteristics of sweet potatoes with different storability
作者:
胡康棣1彭湘君1姚改芳1周志林2赵冬兰2唐君2李立霞1张华1
1.合肥工业大学食品与生物工程学院,安徽合肥 230601; 2.江苏徐淮地区徐州农业科学研究所,江苏徐州 221131
Author(s):
Hu Kangdiet al
关键词:
甘薯贮藏活性氧自由基抗氧化酶相关性分析
Keywords:
-
分类号:
S531.01
DOI:
-
文献标志码:
A
摘要:
甘薯采后贮藏期短,在采后贮运过程中极易腐败变质,从而影响甘薯的品质,造成大量损失。因此,研究不同耐贮性甘薯的生理生化指标差异具有重要的理论与实践价值。以耐贮藏甘薯品种南瑞苕、奥墨红、徐55-2、新大紫、徐薯18和不耐贮藏甘薯品种徐薯23、大红花、南瓜薯、满村香、万二、金吊薯为试验材料,考察甘薯叶片中抗氧化酶活性及活性氧(ROS)含量的差异,解析抗氧化代谢与甘薯耐贮性的相关性。结果表明,与不耐贮藏甘薯品种相比,耐贮的甘薯品种抗氧化酶如超氧化物歧化酶(SOD)、过氧化物酶(POD)、过氧化氢酶(CAT)、抗坏血酸过氧化物酶(APX)活性较高,脂氧合酶(LOX)活性、丙二醛(MDA)含量、过氧化氢(H2O2)含量和超氧阴离子(O-2·)产生速率相对较低。热图分析结果显示,耐贮藏甘薯品种的叶片抗氧化酶活性相对较高,活性氧含量相对较低,不耐贮藏甘薯品种的叶片抗氧化酶活性相对较低,活性氧含量相对较高。主成分分析结果表明,不同耐贮性的甘薯品种中抗氧化能力和贮藏性能之间呈正相关。相关性分析结果显示,不同抗氧化酶之间有着较高的正相关系数,而与LOX活性、H2O2含量、O-2·产生速率、MDA含量呈明显负相关。由此可见,耐贮藏甘薯品种较不耐贮藏甘薯品种有着更好的抗氧化能力。研究结果为耐贮甘薯的选育提供了理论参考。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2020-11-29
基金项目:现代农业产业技术体系项目(编号:CARS-10-B1);国家自然科学基金(编号:31670278、31970200、31970312、31901993、31872078);安徽省科技重大项目(编号:16030701073);中央高校基础研究基金(编号:JZ2018HGTB0241、JZ 20181)。
作者简介:胡康棣(1984—),女,安徽宿州人,博士,副教授,研究方向为采后生物学,E-mail:kangdihu@hfut.edu.cn;共同第一作者:彭湘君(1997—),女,安徽六安人,硕士研究生,研究方向为采后生物学,E-mail:2245820836@qq.com。
通信作者:张华,博士,教授,研究方向为植物分子生物学。E-mail:hzhanglab@hfut.edu.cn。
更新日期/Last Update: 2021-08-20