Energy and proline metabolisms participate in the occurrence of chilling injury in cold-stored Chinese olive fruit

被引：11
作者：
Chen, Guo [1 ,2 ,3 ]
Kuang, Xiaoyong [1 ,2 ]
Fan, Zhongqi [1 ,2 ]
Chen, Yazhen [1 ,2 ]
Lin, Yifen [1 ,2 ]
Wang, Hui [1 ,2 ]
Chen, Yihui [1 ,2 ]
Lin, Hetong [1 ,2 ]
机构：
[1] Fujian Agr & Forestry Univ, Coll Food Sci, Inst Postharvest Technol Agr Prod, 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] Natl Univ Singapore, Dept Food Sci & Technol, Singapore 117542, Singapore
来源：
POSTHARVEST BIOLOGY AND TECHNOLOGY | 2024年 / 214卷
关键词：
Chinese olive fruit; Cold storage; Chilling injury; Energy status; ATPase; Proline metabolism; HARVESTED LONGAN FRUIT; DISEASE DEVELOPMENT; NITRIC-OXIDE; ANTIOXIDANT ENZYMES; HYDROGEN-SULFIDE; GLYCINE BETAINE; ZUCCHINI FRUIT; PAPAYA FRUIT; PEACH FRUIT; BANANA;
D O I：
10.1016/j.postharvbio.2024.112955
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Cold storage is widely applied in postharvest fruit for quality maintenance. However, Chinese olive fruit suffers severe chilling injury (CI) during improper cold storage. In present work, the metabolisms of energy and proline in Chinese olive fruit during CI occurrence were investigated. Compared with the cold storage at 8 degrees C, the cold storage at 2 degrees C raised CI index, reduced the activities of Mg2+-ATPase, Ca2+-ATPase and H+-ATPase in the membranes of mitochondria, plasma and vacuole, decreased the levels of energy charge, ATP, and ADP, but elevated the content of AMP in Chinese olive fruit. Furthermore, 2 degrees C cold -stored fruit presented lower proline amount, lower P5CS and OAT activities, but higher PDH activity. These data demonstrated that the reduced levels of energy and proline were associated with the CI occurrence of cold -stored Chinese olives.
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页数：10
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