[1]王纪辉,耿阳阳,侯娜.不同贮藏方式下鲜核桃生理指标响应及动力学模型[J].江苏农业学报,2019,(04):927-932.[doi:doi:10.3969/j.issn.1000-4440.2019.04.025]
　WANG Ji hui,GENG Yang yang,HOU Na.Physiological response and dynamic model of fresh walnut under different storage methods[J].,2019,(04):927-932.[doi:doi:10.3969/j.issn.1000-4440.2019.04.025]
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不同贮藏方式下鲜核桃生理指标响应及动力学模型()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2019年04期
页码:
927-932
栏目:
加工贮藏·质量安全
出版日期:
2019-08-31

文章信息/Info

Title:
Physiological response and dynamic model of fresh walnut under different storage methods
作者:
王纪辉; 耿阳阳; 侯娜
（贵州省核桃研究所，贵州贵阳550005）
Author(s):
WANG Ji hui; GENG Yangyang; HOU Na
(Guizhou Institute of Walnut, Guiyang 550005, China)
关键词:
鲜核桃; 贮藏; 生理指标; 动力学模型
Keywords:
fresh walnut; storage; physiological index; dynamic model
分类号:
S664.1
DOI:
doi:10.3969/j.issn.1000-4440.2019.04.025
文献标志码:
A
摘要:
为探讨不同贮藏方式下鲜食核桃品质的变化规律，在常温条件下，以鲜食核桃仁为研究材料，采用PA/PE复合膜真空袋、自封铝箔袋及普通自封袋进行包装，定期对相关指标进行测定，并结合一级反应动力学模型就相关指标的变化进行非线性拟合。结果显示，真空塑料袋贮藏鲜食核桃的保鲜效果较佳，真空贮藏可有效减缓油脂酸价、过氧化值的变化速率，减少丙二醛的积累，推迟过氧化氢酶活性高峰出现时间，保持较高的过氧化物酶活性。真空贮藏能延缓油脂中不饱和脂肪酸被氧化，能较好保持鲜食核桃品质，一级反应动力学模型能较好地折射出鲜食核桃贮藏期间相关指标变化。
Abstract:
In order to study the quality change of fresh walnut under different storage methods, fresh walnut kernel was used as experimental material under normal temperature, the vacuum bag of PA/PE composite membrane, selfsealing aluminum foil bag and ordinary selfsealing bag were used for packaging. The related indicators were measured periodically, and the changes of related indicators were fitted nonlinearly with the firstorder reaction kinetics model. The results showed that the vacuum plastic bag had better preservation effect on fresh walnut, vacuum storage could effectively slow down the change rate of acid value and peroxide value, decrease the accumulation of malondialdehyde, delay the peak time of catalase activity and maintain higher peroxidase activity. Vacuum storage can effectively delay the oxidation of unsaturated fatty acids in oil, and maintain the quality of fresh walnut better. The firstorder reaction kinetics model can better reflect the changes of related indicators of fresh walnut during storage.

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备注/Memo

备注/Memo:
收稿日期：2018-11-04 基金项目：贵州省核桃工程技术研究中心项目[黔科合平台人才(2019)5202号]；贵州省林业厅青年科技人才培养对象专项[黔林科合J字(2015)12号]；国家自然科学基金项目（3186030247号）；贵州省核桃研发团队服务企业行动计划项目[黔科合服企(2015)4010号]；贵州省科技厅科技支撑计划项目[黔科合支撑(2017)2552号] 作者简介：王纪辉（1988-），男，河南周口人，硕士，助理研究员，研究方向为林产品开发。(E-mail)shikewangjihui@163.com 通讯作者：耿阳阳，(E-mail)1833247257@qq.com
更新日期/Last Update: 2019-08-31