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学者姓名：卓瑞玲
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Abstract ：
Longan is a highly valued tropical and subtropical cash crop with significant economic importance. However, its commercial value is often compromised by quality deterioration, particularly pulp breakdown, which is exacerbated by the hot and humid conditions of its ripening season and persistent infestations of pathogenic fungi. This research sought to explore the effects of acidic electrolyzed-oxidizing water (AEOW) on the storability of P. longanae-invaded longans at 28 +/- 1 degrees C. Result showed that, after five days of storage, AEOW treatment effectively inhibited pulp breakdown and softening in P. longanae-invaded fruit. On day 5, AEOW + P. longanae-invaded longan presented 42.22 % lower index of pulp breakdown and 62.28 % higher pulp firmness compared to the merely P. longanae-invaded longan. Additionally, in contrast to longans inoculated with P. longanae, AEOW treatment elevated the activities of disease-resistance substances synthases, chitinase, and beta-1,3-glucanase, and maintained higher levels of disease-resistance substances, thereby enhancing the fruit's disease resistance. Furthermore, AEOW treatment reduced the activities of cell wall polysaccharides-degrading enzymes in P. longanae-infected longans, thus facilitating the preservation of cell wall materials, cellulose, covalent-soluble pectin, hemicellulose, and ionic-soluble pectin contents, while decreasing the production of water-soluble pectin. The data above indicated that AEOW could effectively alleviate the decline in storability of P. longanae-invaded longans by enhancing the fruit's disease resistance and maintaining cell wall integrity, which collectively reduced the severity of P. longanae invasion.
Keyword ：
Fresh longan Fresh longan Pathogenic fungi Pathogenic fungi Pulp breakdown Pulp breakdown Pulp firmness Pulp firmness Storage property Storage property
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| GB/T 7714 | Feng, Shujuan , Zheng, Shaojie , Lin, Qin et al. Acidic electrolyzed-oxidizing water alleviates the storability decline in Phomopsis longanae Chi-infected longans by modulating the metabolisms of disease-resistance substances and cell wall polysaccharides [J]. | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2026 , 231 . |
| MLA | Feng, Shujuan et al. "Acidic electrolyzed-oxidizing water alleviates the storability decline in Phomopsis longanae Chi-infected longans by modulating the metabolisms of disease-resistance substances and cell wall polysaccharides" . | POSTHARVEST BIOLOGY AND TECHNOLOGY 231 (2026) . |
| APA | Feng, Shujuan , Zheng, Shaojie , Lin, Qin , Lin, Mengshi , Zhuo, Ruiling , Lin, Yifen et al. Acidic electrolyzed-oxidizing water alleviates the storability decline in Phomopsis longanae Chi-infected longans by modulating the metabolisms of disease-resistance substances and cell wall polysaccharides . | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2026 , 231 . |
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Abstract ：
Longan is susceptible to pericarp browning, which reduces its market value. The effects of bongkrekic acid (BKA, an energy transport inhibitor) or adenosine triphosphate (ATP) treatment on the pericarp browning, energy status, and the metabolisms of ROS, membrane lipid and phenolics in postharvest longan fruit were explored. Compared with the control group, BKA-treated longans displayed higher pericarp browning index, but lower levels of ATP and energy charge. Additionally, BKA treatment attenuated the ROS scavenging ability of longans, as evidenced by lower activities of SOD, CAT and APX, as well as lower levels of AsA and GSH, while concurrently increased O2-. production rate, H2O2 and MDA levels. Besides, BKA treatment raised the activities of PLD, lipase and LOX, as well as the amounts of PA and SFAs, while lowered the levels of PC, PI and USFAs, aggravated membrane lipid peroxidation and degradation, resulting in the disruption of membrane compartmentation, allowing PPO directly contact to phenolic substrates and causing pigment degradation. These were manifested by the reduced contents of total phenolics, flavonoid, anthocyanin, carotenoid and chlorophyll, and the declined values of chromaticity L*, a* and b*, which exacerbated longan pericarp browning. Whereas, ATP treatment presented the opposite effects. These outcomes indicated that BKA treatment-induced the suppression of energy transport could accelerate longan pericarp browning via lowering the energy level and thereafter stimulating the ROS over accumulation, membrane lipid peroxidation and degradation, thereby leading to enzymatic browning. However, ATP treatment-postponed longan pericarp browning was because ATP treatment stimulated energy transport, sustained higher levels of energy and antioxidant capacity, thereby diminishing ROS accumulation, maintaining cell membrane integrity, and restraining enzymatic browning.
Keyword ：
Adenosine triphosphate Adenosine triphosphate Bongkrekic acid Bongkrekic acid Energy level Energy level Longan pericarp browning Longan pericarp browning Membrane lipid metabolism Membrane lipid metabolism ROS metabolism ROS metabolism
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| GB/T 7714 | Li, Meiling , Lin, Hetong , Zhuo, Ruiling et al. The changes of antioxidant system, membrane integrity and phenolics metabolism participate in bongkrekic acid and adenosine triphosphate-mediated energy status regulating longan pericarp browning [J]. | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2026 , 232 . |
| MLA | Li, Meiling et al. "The changes of antioxidant system, membrane integrity and phenolics metabolism participate in bongkrekic acid and adenosine triphosphate-mediated energy status regulating longan pericarp browning" . | POSTHARVEST BIOLOGY AND TECHNOLOGY 232 (2026) . |
| APA | Li, Meiling , Lin, Hetong , Zhuo, Ruiling , Li, Boqiang , Lin, Yifen , Chen, Yihui et al. The changes of antioxidant system, membrane integrity and phenolics metabolism participate in bongkrekic acid and adenosine triphosphate-mediated energy status regulating longan pericarp browning . | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2026 , 232 . |
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Cellular autophagy is a self-protective mechanism that supplies nutrients to fresh produce by degrading damaged components. This research intended to investigate differences in autophagy activity and AsA-GSH cycle between 'Fuyan' and 'Dongbi' longan during pulp breakdown. The outcomes indicate that, compared to 'Fuyan' longan, 'Dongbi' longan exhibited a lower pulp breakdown index and less ROS accumulation. Additionally, 'Dongbi' longan maintained a more robust AsA-GSH cycle, characterized by higher activities of key enzymes (APX, MDHAR, DHAR, GR), higher expression levels of their encoding genes (DlAPX, DlMDHAR, DlDHAR, DlGR), and higher levels of AsA/DHA, GSH/GSSG, AsA, and GSH, alongside lower DHA and GSSG contents. Simultaneously, 'Dongbi' longan displayed higher autophagosome formation, enhanced autophagic activity, and increased expression of DlATGs (DlATG8f/8i/18g/101). These outcomes indicate that mitigated pulp breakdown in 'Dongbi' fruit may result from the synergistic interplay between AsA-GSH cycle and cellular autophagy, which provides new insights into quality maintenance of harvested longans.
Keyword ：
Ascorbate-glutathione cycle Ascorbate-glutathione cycle Autophagy Autophagy Longan fruit Longan fruit Pulp breakdown Pulp breakdown Reactive oxygen species Reactive oxygen species
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| GB/T 7714 | Sang, Yueying , Li, Shucheng , Zhuo, Ruiling et al. Comparative analysis of pulp breakdown, autophagy activity, and AsA-GSH cycle in postharvest 'Fuyan' and 'Dongbi' longan [J]. | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2026 , 233 . |
| MLA | Sang, Yueying et al. "Comparative analysis of pulp breakdown, autophagy activity, and AsA-GSH cycle in postharvest 'Fuyan' and 'Dongbi' longan" . | POSTHARVEST BIOLOGY AND TECHNOLOGY 233 (2026) . |
| APA | Sang, Yueying , Li, Shucheng , Zhuo, Ruiling , Lin, Mengshi , Chen, Yihui , Li, Boqiang et al. Comparative analysis of pulp breakdown, autophagy activity, and AsA-GSH cycle in postharvest 'Fuyan' and 'Dongbi' longan . | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2026 , 233 . |
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Abstract ：
Postharvest longans are prone to fruit decay and quality deterioration, which negatively affects the commercial value of the fruit. This work elucidated the effectiveness of acidic electrolyzed-oxidizing water (AEOW) treatment in impeding the disease occurrence and fruit spoilage in 25 degrees C-stored longans during 0-6 d by regulating respiratory and energy metabolisms. Comparison with control longans, AEOW treatment effectively retarded the respiration rate, weakened the activities of alternate oxidase, succinate dehydrogenase, polyphenol oxidase, ascorbic acid oxidase, phosphoglucose isomerase, and cytochrome C oxidase, but enhancing the activities of NAD kinase, glucose-6-phosphate dehydrogenase and 6-phosphogluconate dehydrogenase in longans within days 1-6. Also, AEOW treatment increased the contents of nicotinamide adenine dinucleotide phosphate and its reduced form, while decreasing the levels of nicotinamide adenine dinucleotide and its reduced form in longans between days 1 and 6. Regarding energy metabolism, AEOW-treated longans exhibited a higher energy state as evidenced by higher levels of energy charge, adenosine triphosphate, and adenosine diphosphate, accompanied by increased adenosine triphosphatase activities during days 1-6. These data signified that AEOW treatment deferred the disease occurrence and fruit spoilage in longans by the fact that AEOW weakened the cytochrome pathway, alternative pathway, embden-meyerhof-parnas and tricarboxylic acid cycle, while augmenting the pentose phosphate pathway. Additionally, AEOW treatment sustained a higher energy status to maintain a more complete cell membrane function of longan fruit, eventually restrained the disease occurrence and fruit spoilage.
Keyword ：
Acidic electrolyzed-oxidizing water Acidic electrolyzed-oxidizing water Disease occurrence Disease occurrence Energy metabolism Energy metabolism Energy status Energy status Longan fruit Longan fruit Respiratory metabolism Respiratory metabolism
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| GB/T 7714 | Feng, Shujuan , Tang, Jinyan , Lin, Ziyao et al. Suppressions of fruit spoilage and disease occurrence in postharvest longan by acidic electrolyzed-oxidizing water treatment through adjusting respiratory metabolism and energy state [J]. | PLANT PHYSIOLOGY AND BIOCHEMISTRY , 2025 , 229 . |
| MLA | Feng, Shujuan et al. "Suppressions of fruit spoilage and disease occurrence in postharvest longan by acidic electrolyzed-oxidizing water treatment through adjusting respiratory metabolism and energy state" . | PLANT PHYSIOLOGY AND BIOCHEMISTRY 229 (2025) . |
| APA | Feng, Shujuan , Tang, Jinyan , Lin, Ziyao , Zhuo, Ruiling , Lin, Yifen , Lin, Mengshi et al. Suppressions of fruit spoilage and disease occurrence in postharvest longan by acidic electrolyzed-oxidizing water treatment through adjusting respiratory metabolism and energy state . | PLANT PHYSIOLOGY AND BIOCHEMISTRY , 2025 , 229 . |
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Abstract ：
Longan fruit is prone to quality deterioration due to the infection by Phomopsis longanae Chi (P. longanae). This work found that acidic electrolyzed-oxidizing water (AEOW) could effectively enhance disease resistance in P. longanae-infected longans. The treatment of AEOW plus P. longanae infection attenuated fruit disease severity and maintained a higher commercially acceptable fruit of longan as compared to the longans treated only with P. longanae. Further transcriptomic analysis revealed genes associated with flavonoid and phenylpropanoid biosynthesis, MAPK signaling, and plant-pathogen interaction pathways were induced by the AEOW + P. longanae treatment. Moreover, metabolomic analysis showed that higher levels of flavonoids and phenolic acids were found in the AEOW + P. longanae-treated longans. WGCNA and gene-metabolite association networks revealed a variety of genes and metabolites that were increased by the AEOW + P. longanae treatment. These results clarify that AEOW inhibited disease occurrence in P. longanae-inoculated longans by elevating the expression of disease-resistance genes and increasing the accumulation of relevant metabolites.
Keyword ：
Differentially accumulated metabolites Differentially accumulated metabolites Differentially expressed genes Differentially expressed genes Dimocarpus longan Lour. Dimocarpus longan Lour. Flavonoid metabolism Flavonoid metabolism Phenylpropanoid metabolism Phenylpropanoid metabolism WGCNA WGCNA
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| GB/T 7714 | Li, Meiling , Fan, Zhongqi , Dai, Xiaoze et al. Comparative transcriptomic and metabolomic analyses reveal the role of acidic electrolyzed-oxidizing water in enhancing disease resistance in Phomopsis longanae Chi-infected longans [J]. | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2025 , 226 . |
| MLA | Li, Meiling et al. "Comparative transcriptomic and metabolomic analyses reveal the role of acidic electrolyzed-oxidizing water in enhancing disease resistance in Phomopsis longanae Chi-infected longans" . | POSTHARVEST BIOLOGY AND TECHNOLOGY 226 (2025) . |
| APA | Li, Meiling , Fan, Zhongqi , Dai, Xiaoze , Lin, Mengshi , Lin, Yifen , Wang, Hui et al. Comparative transcriptomic and metabolomic analyses reveal the role of acidic electrolyzed-oxidizing water in enhancing disease resistance in Phomopsis longanae Chi-infected longans . | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2025 , 226 . |
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Compared to P. longanae-inoculated longan, DCC + P. longanae-inoculated longan exhibited an elevated pulp breakdown index and higher cell membrane permeability, along with the reduced ATP levels and energy charge. Additionally, DCC + P. longanae-inoculated longan exhibited higher activities of membrane lipid-degrading enzymes (MLDEs), including PI-PLC, PC-PLC, PLD, DGK, PAP, lipase, and LOX, as well as higher levels of DAG, PA and SFAs. Conversely, the contents of PI, PC and USFAs were reduced, accompanied by lower U/S and IUFA. Besides, DCC + P. longanae-inoculated longan displayed lower activities of SOD, CAT, APX, GPX, MDHAR, DHAR, and GR, along with lower reducing power and DPPH radical scavenging ability, lower levels of AsA and GSH, and higher levels of DHA, GSSG, H2O2, O-2(center dot-) production rate, and MDA. These outcomes indicate that DCC treatment expedited pulp breakdown in P. longanae-inoculated longan by exacerbating energy deficiency, which activated MLDEs activities and damaged cell membrane structure. Furthermore, the insufficient energy supply also impaired ROS-scavenging capacity, thereby leading to ROS accumulation, membrane lipid peroxidation, and loss of cell membrane integrity. In contrast, ADP + P. longanae-inoculated longans exhibited the opposite effects. The results of present work can provide new insight into the mechanism of longan pulp breakdown, and offer new strategies such as the application of ADP for suppressing longan pulp breakdown to extend the shelf life of fresh longan.
Keyword ：
Adenosine diphosphate Adenosine diphosphate Cell membrane integrity Cell membrane integrity Dicyclohexylcarbodiimide Dicyclohexylcarbodiimide Dimocarpus longan Lour. Dimocarpus longan Lour. Energy status Energy status ROS scavenging system ROS scavenging system
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| GB/T 7714 | Lin, Jin , Chen, Yunman , Huang, Meiqi et al. DCC and ADP regulate the pulp breakdown in Phomopsis longanae Chi-inoculated longan via modulating energy levels and the metabolisms of reactive oxygen species and membrane lipids [J]. | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2025 , 228 . |
| MLA | Lin, Jin et al. "DCC and ADP regulate the pulp breakdown in Phomopsis longanae Chi-inoculated longan via modulating energy levels and the metabolisms of reactive oxygen species and membrane lipids" . | POSTHARVEST BIOLOGY AND TECHNOLOGY 228 (2025) . |
| APA | Lin, Jin , Chen, Yunman , Huang, Meiqi , Zhang, Huili , Hong, Huafeng , Lin, Mengshi et al. DCC and ADP regulate the pulp breakdown in Phomopsis longanae Chi-inoculated longan via modulating energy levels and the metabolisms of reactive oxygen species and membrane lipids . | POSTHARVEST BIOLOGY AND TECHNOLOGY , 2025 , 228 . |
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