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Preharvest Sodium Nitroprusside Application Preserved Antioxidant Capacity and Storage Quality of Plum Fruit

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Abstract

Plums are climacteric fruit in nature and rapidly lose their quality during storage. To improve the storage potential and maintain the fruit quality of plum cv. Satluj Purple, the plum trees were sprayed with 50 µM and 100 µM Sodium Nitroprusside (SNP) at 7 and 14 days before harvest (DBH), while control plants were sprayed with water. Fruit were harvested at colour break stage and packed in CFB boxes (5% perforation) with paper lining and stored at (0–1 oC and 90–95% RH) for 35 days. Preharvest application of 50 and 100 µM SNP at 14 DBH preserved the quality of plum fruit by reducing the weight loss (WL), spoilage, total anthocyanin content (TAC) and enzymatic activities of pectin methyl esterase (PME) and cellulase. These treatments also helpful for retention of sensory quality (SQ), fruit firmness, total phenolics content (TPC), total antioxidants activity (TAO), total flavonols (TF) along with soluble solids content (SSC) and titratable acidity (TA) of stored plum fruit. It can be summarized from the result that preharvest spray of 50 and 100 µM SNP at 14 DBH has the potential to enhance the storage life and preserved the storage quality of plum fruit cv. Satluj Purple during low temperature storage.

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Acknowledgements

All authors are highly gratified to Punjab Agricultural University, Ludhiana, for providing essential research amenities.

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Authors

Contributions

M Rana: Substantial contributions to the conception of lab work and data collection; V Singh: Data analysis, writing original draft, review and editing; SK Jawandha: Drafting the work, resources, supervision, revising manuscript for imperative intellectual content, validation, project administration; PPS Gill: Visualization, software, review, editing and final endorsement of the version for publication; SK Grewal: Substantial contribution to lab analysis, lab equipment, lab procedure; GS Sangha: Substantial aid to work methodology and lab work analysis.

Corresponding author

Correspondence to Veerpartap Singh.

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Conflict of interest

M. Rana, V. Singh, S. Jawandha, P. Gill, S. Grewal and G. Sangha declare that they have no conflict of interest.

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Rana, M., Singh, V., Jawandha, S. et al. Preharvest Sodium Nitroprusside Application Preserved Antioxidant Capacity and Storage Quality of Plum Fruit. Applied Fruit Science (2024). https://doi.org/10.1007/s10341-024-01100-0

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  • DOI: https://doi.org/10.1007/s10341-024-01100-0

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