|本期目录/Table of Contents|

[1]刘恒蔚,颜婕,袁卫明,等.白沙枇杷采后果皮与果肉活性氧代谢差异研究[J].江苏农业科学,2018,46(1):151-153.
　Liu Hengwei,et al.Study on reactive oxygen metabolism difference between pericarp and flesh of postharvest white flesh loquat fruit[J].Jiangsu Agricultural Sciences,2018,46(1):151-153.
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白沙枇杷采后果皮与果肉活性氧代谢差异研究(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第1期
页码:
151-153
栏目:
贮藏加工与检测分析
出版日期:
2018-01-05

文章信息/Info

Title:
Study on reactive oxygen metabolism difference between pericarp and flesh of postharvest white flesh loquat fruit
作者:
刘恒蔚1;  颜婕1;  袁卫明2;  蒋梅1;  邱烨1;  顾晖2;  刘凯1;  陈宏伟1
1.苏州科技大学化学生物与材料工程学院，江苏苏州 215009； 2.苏州农业职业技术学院，江苏苏州 215008
Author(s):
Liu Hengwei; et al
关键词:
枇杷; 果皮; 果肉; 活性氧代谢; 采后生理; 果皮ROS代谢异常; 采后变质主因
Keywords:
-
分类号:
S667.301
DOI:
-
文献标志码:
A
摘要:
枇杷是我国重要的南方水果，采后易腐导致其鲜食期很短，限制了其商业价值。为了阐明白沙枇杷果皮与果肉活性氧(ROS)代谢的差别以探究枇杷采后衰老的生理学机制，以白沙枇杷“白玉”为材料，在20 ℃条件下储存，并测定果皮和果肉中ROS代谢相关指标的变化规律。结果表明，随着采后衰老的进行，前6 d果皮和果肉氧自由基产生速率相对稳定，然后持续升高，且果皮的产生速率高于果肉。伴随氧自由基的积累，SOD活性亦表现基本一致的规律；POD、CAT活性则表现为果肉高于果皮。果皮POD活性上升迟缓以及CAT活性更早下降说明果皮ROS清除能力低于果肉。储存过程中，果皮和果肉的MDA含量均持续增加，但果皮MDA含量增加更快，说明枇杷果皮膜脂过氧化程度超过果肉，果皮更容易发生结构化损伤。分析认为，采后枇杷ROS代谢失衡削弱了果皮的保护能力，导致果实内外环境的恶化，与枇杷采后衰老变质有关。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2017-04-11
基金项目：江苏省苏州市科技计划(编号：SYN201512)。
作者简介：刘恒蔚(1974—)，男，湖北竹山人，博士，副教授，主要从事应用生物技术研究。E-mail：liuhw@mail.usts.edu.cn。
通信作者：袁卫明，研究员，主要从事枇杷育种与技术推广。E-mail：ywm357@163.com。
更新日期/Last Update: 2018-01-05