DNP and ATP regulate the breakdown occurrence in the pulp of Phomopsis longanae Chi-infected longan fruit through modulating the metabolism of membrane lipid

被引:9
作者
Lin, Yuzhao [1 ,2 ,4 ]
Lin, Hetong [1 ,2 ]
Zeng, Lingzhen [1 ,2 ]
Lin, Mengshi [3 ]
Chen, Yihui [1 ,2 ]
Fan, Zhongqi [1 ,2 ]
Wang, Hui [1 ,2 ]
Lin, Yifen [1 ,2 ]
机构
[1] Fujian Agr & Forestry Univ, Inst Postharvest Technol Agr Prod, Coll Food Sci, Fuzhou 350002, Fujian, Peoples R China
[2] Fujian Prov Univ, Key Lab Postharvest Biol Subtrop Special Agr Prod, Fuzhou 350002, Fujian, Peoples R China
[3] Univ Missouri, Food Sci Program, Div Food Nutr & Exercise Sci, Columbia, MO 65211 USA
[4] Quanzhou Normal Univ, Coll Oceanol & Food Sci, Quanzhou 362000, Fujian, Peoples R China
基金
中国国家自然科学基金;
关键词
Longan pulp breakdown; Membrane lipid metabolism; Cellular membrane permeability; 2; 4-Dinitrophenol; Adenosine triphosphate; Phomopsis longanae Chi; DISEASE DEVELOPMENT; ASSOCIATION; ENERGY;
D O I
10.1016/j.foodchem.2022.135330
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
This study aimed to illustrate how DNP and ATP affected the pulp breakdown occurrence in P. longanae-infected longan and their relationship with the membrane lipid metabolism. Compared with P. longanae-inoculated samples, the pulp of DNP-treated P. longanae-infected longan exhibited higher cellular membrane permeability, breakdown index, activities of PI-PLC, PLD, PC-PLC, LOX, and lipase, and values of SFAs, PA, and DAG, while lower levels of PI, PC, USFAs, IUFA and U/S. However, the opposite findings were observed in ATP-treated P. longanae-infected longan. The data manifested that DNP-increased the pulp breakdown occurrence in P. longanae-inoculated samples was due to the elevated MLDEs activities that reduced the contents of phos-pholipids (PI, PC) and USFAs, disrupting the cell membrane structures. Nevertheless, ATP decreased the pulp breakdown occurrence in P. longanae-inoculated samples, which was ascribed to the reduced MLDEs activities that raised phospholipids (PI, PC) and USFAs contents, thus maintaining the cell membrane structures.
引用
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页数:13
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