食品与发酵工业 >

2021 , Vol. 47 >Issue 22: 150 - 156

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.026910

生产与科研应用

真空预冷结合氮气包装对小白杏采后活性氧代谢的调节作用

  • 田全明 ,
  • 魏佳 ,
  • 王曼 ,
  • 邓豪 ,
  • 王霞伟 ,
  • 伊丽达娜·迪力夏提 ,
  • 杨海燕 ,
  • 吴斌
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  • 1(新疆农业大学 食品科学与药学学院,新疆 乌鲁木齐,830052)
    2(新疆农业科学院农产品贮藏加工研究所,新疆 乌鲁木齐,830091)
硕士研究生(吴斌研究员为通讯作者,E-mail:42042615@qq.com)

收稿日期: 2021-01-28

  修回日期: 2021-04-12

  网络出版日期: 2021-12-16

基金资助

国家重点研发项目(2019YFD1002303-2);新疆杏产业技术体系保鲜加工岗位(XJCYTX-03)

收起

Vacuum precooling combined with packaging on Xiaobai apricots postharvest regulation of reactive oxygen metabolism

  • TIAN Quanming ,
  • WEI Jia ,
  • WANG Man ,
  • DENG Hao ,
  • WANG Xiawei ,
  • YILIDANA·Dilixiati ,
  • YANG Haiyan ,
  • WU Bin
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  • 1(College of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi 830052, China)
    2(Institute of Storage and Processing of Agricultural Products, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China)

Received date: 2021-01-28

  Revised date: 2021-04-12

  Online published: 2021-12-16

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摘要

以新疆小白杏为研究试材,探讨了真空预冷结合N2处理对小白杏采后贮运过程中活性氧代谢的抑制效果。结果表明,真空预冷结合N2处理能够延缓小白杏采后果实硬度的下降,抑制小白杏采后果实中丙二醛和细胞膜透性的升高。N2处理(2 h)能有效抑制小白杏采后果实中呼吸强度的升高,延缓乙烯释放高峰的出现,显著提高过氧化氢酶(catalase,CAT)、超氧化物歧化酶(superoxide dismutase,SOD)、抗坏血酸过氧化物酶(ascorbate peroxidase,APX)、过氧化物酶(peroxidase,POD)、多酚氧化酶的活性,从而保持果实采后的硬度。贮藏至第18天,与对照组相比,真空预冷结合N2处理果实的硬度提高了28.68%,CAT、SOD、APX、POD的活性分别提高了54.58%、45.34%、56.82%、24.87%。因此,真空预冷结合N2处理减少了活性氧的积累,有助于减轻氧化损伤,维持细胞膜的完整性,从而延缓小白杏的衰老。

关键词： 真空预冷; N2; 小白杏; 活性氧代谢; 衰老

本文引用格式

田全明 , 魏佳 , 王曼 , 邓豪 , 王霞伟 , 伊丽达娜·迪力夏提 , 杨海燕 , 吴斌 . 真空预冷结合氮气包装对小白杏采后活性氧代谢的调节作用[J]. 食品与发酵工业, 2021 , 47(22) : 150 -156 . DOI: 10.13995/j.cnki.11-1802/ts.026910

Abstract

The inhibition effect of vacuum precooling combined with nitrogen (N2) treatment on the reactive oxygen species (ROS) metabolism of Xinjiang Xiaobai apricot during the storage and transportation was studied. The results showed that vacuum precooling combined with N2 treatment could delay the decrease of fruit hardness as well as inhibit the increase of malondialdehyde (MDA) and cell membrane permeability in postharvest Xiaobai apricot. N2 treatment (2 h) could significantly restrain the respiratory intensity, delay the peak of ethylene and maintain the hardness of apricot. The activities of catalase (CAT), superoxide dismutase (SOD), ascorbate peroxidase (APX), peroxidase (POD) and polyphenol oxidase (PPO) were also improved by vacuum precooling combined with nitrogen (N2) treatment. On the 18 d of storage, compared with the control group, the hardness of Xiaobai apricot treated by vacuum precooling combined with N2 was increased by 28.68%, and the activities of CAT, SOD, APX and POD were increased by 54.58%, 45.34%, 56.82%, and 24.87%, respectively. These results demonstrated that vacuum precooling combined with N2 treatment leads to the reduction of the accumulation of reactive oxygen species and the oxidative damage which maintain the integrity of the cell membrane and, therefore, delay the senescence of postharvest Xiaobai apricot.

Key words： vacuum pre-cooling; N2; Xiaobai apricot; reactive oxygen metabolism; aging

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