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Hexanal Application Extends Shelf-life and Maintains Quality of ‘Umran’ Indian Jujube Fruit by Regulating Antioxidant Activities During Cold Storage

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Abstract

‘Umran’ Indian jujube is a widely grown cultivar due to its marketable quality and productivity, resulting in excellent market value. Despite its high quality, the product’s short shelf life poses a challenge for transportation, even within the domestic market. Hexanal with three concentrations (0.15, 0.20, and 0.25%) was applied to the fruit of ‘Umran’ Indian jujube at both pit hardening and color break stages. Harvested fruits were stored for 28 days in a cold chamber of 7.5 ± 1 °C and 90–95% RH. The changes in fruit qualities were assessed with physicochemical characteristics, bioactive compounds, and enzymatic antioxidant activities every 7 days. Fruits treated with 0.20% hexanal reduced the weight loss and spoilage and maintained the firmness, soluble solids content, carotenoid content, and antioxidant activity. The activities of cell wall degrading enzymes investigated were suppressed. Fruits treated with 0.20% hexanal exhibited reduced weight loss and spoilage, and they maintained fruit firmness, soluble solids content, carotenoid content, and antioxidant activity. The activities of cell wall degrading enzymes investigated were suppressed.

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Acknowledgements

The authors are thankful to the Punjab Agricultural University, Ludhiana (Punjab), India, for providing the essential research facilities.

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Contributions

A. Sharma: Writing-original draft, Formal analysis, Investigation, Methodology, Data curation, Software, Validation; H.K. Bons: Supervision, Conceptualization, Investigation, Methodology, Visualization, Resources; S.K. Jawandha: Supervision, Data curation, Formal analysis, Investigation, Visualization; S.W. Chung: Writing-review and editing, Methodology, Conceptualization.

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Correspondence to Anil Sharma.

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A. Sharma, H.K. Bons, S.K. Jawandha and S.W. Chung declare that they have no competing interests.

Ethical standards

For this article no studies with human participants or animals were performed by any of the authors. All studies mentioned were in accordance with the ethical standards indicated in each case.

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All data generated or analysed during this study are included in this article.

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Sharma, A., Bons, H.K., Jawandha, S.K. et al. Hexanal Application Extends Shelf-life and Maintains Quality of ‘Umran’ Indian Jujube Fruit by Regulating Antioxidant Activities During Cold Storage. Applied Fruit Science 66, 203–214 (2024). https://doi.org/10.1007/s10341-023-00963-z

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  • DOI: https://doi.org/10.1007/s10341-023-00963-z

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