DNP and ATP induced alteration in disease development of Phomopsis longanae Chi-inoculated longan fruit by acting on energy status and reactive oxygen species production-scavenging system

被引：117

作者：

Lin, Yifen ^{[1
]}

Chen, Mengyin ^{[1
]}

Lin, Hetong ^{[1
]}

Hung, Yen-Con ^{[2
]}

Lin, Yixiong ^{[1
]}

Chen, Yihui ^{[1
]}

Wang, Hui ^{[1
]}

Shi, John ^{[3
]}

机构：

[1] Fujian Agr & Forestry Univ, Inst Postharvest Technol Agr Prod, Coll Food Sci, Fuzhou 350002, Peoples R China

[2] Univ Georgia, Dept Food Sci & Technol, 1109 Expt St, Griffin, GA 30223 USA

[3] Agr & Agri Food Canada, Guelph Food Res Ctr, Guelph, ON N1G 5C9, Canada

来源：

FOOD CHEMISTRY | 2017年 / 228卷

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

Longan (Dimocarpus longan Lour.) fruit; Pericarp browning; Disease development; Energy status; Active oxygen metabolism; Phomopsis longanae Chi; 2,4-Dinitrophenol (DNP); Adenosine triphosphate (ATP); HARVESTED LITCHI FRUIT; PROPYL GALLATE; MEMBRANE INTEGRITY; CONFERENCE PEARS; METABOLISM; PERICARP; ASSOCIATION; SENESCENCE; PHENOLICS; LIPIDS;

D O I：

10.1016/j.foodchem.2017.02.045

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

As compared with P. longanae-inoculated longans, DNP treatment for P. longanae-inoculated longans exhibited higher fruit disease index and pericarp browning index, lower ATP amount and energy charge level, lower activities of SOD, CAT and APX, lower amounts of AsA and GSH, lower levels of DPPH radical scavenging activity and reducing power, higher O-2(-center dot) generating rate and MDA amount. However, supply of ATP for P. longanae-inoculated longans showed the contrary effects. These results gave convincing evidence that DNP treatment for accelerating pericarp browning and disease development of harvested longans caused by P. longanae was due to decreases of energy production and ROS scavenging capacity, and increases of O-2(-center dot) accumulation and membrane lipid peroxidation. Whereas, supply of ATP for retarding pericarp browning and disease development of harvested longans caused by P. longanae was due to increases of energy production and ROS scavenging capacity, and reductions of O-2(-center dot) accumulation and membrane lipid peroxidation. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：497 / 505

页数：9

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