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Chitosan Coating to Preserve the Qualitative Traits and Improve Antioxidant System in Fresh Figs ( Ficus carica L.)

Author

Listed:
  • Giuseppina Adiletta

    (Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano (SA), Italy)

  • Luigi Zampella

    (Council for Agricultural Research and Economics (CREA)—Research Centre for Olive, Citrus and Tree Fruit (OFA), Via Torrino 3, 81100 Caserta, Italy)

  • Caterina Coletta

    (Council for Agricultural Research and Economics (CREA)—Research Centre for Olive, Citrus and Tree Fruit (OFA), Via Torrino 3, 81100 Caserta, Italy)

  • Milena Petriccione

    (Council for Agricultural Research and Economics (CREA)—Research Centre for Olive, Citrus and Tree Fruit (OFA), Via Torrino 3, 81100 Caserta, Italy)

Abstract

Chitosan-based coatings are used as a postharvest treatment to extend the shelf-life of several fruits. In this study, the effectiveness of chitosan-based coating to preserve the physico-chemical (weight loss, soluble solid content, and titratable acidity) and nutraceutical traits (total polyphenol, anthocyanin, flavonoid, ascorbic acid content, antioxidant capacity) in fresh fig “Troiano” has been evaluated. Furthermore, antioxidant enzyme activities, such as catalase (CAT) and ascorbate peroxidase (APX), were evaluated as well as the enzymes activities involved in fruit browning (polyphenol oxidase (PPO), guaiacol peroxidase (GPX)). Fruits were treated with 1% chitosan and 1% ascorbic acid coating, stored at 4 °C for nine days, and sampled every three days. Chitosan-based coating significantly reduced the weight loss and the qualitative changes, improving the total polyphenol, anthocyanin, and flavonoid contents and the antioxidant activity in stored figs. The higher activity of antioxidant enzymes allowed to reduce oxidative stress and prevent the browning reactions in chitosan-coated figs. The principal component analysis allowed to distinguish different behaviors among uncoated and chitosan-coated figs, indicating that the combined effects of chitosan-based treatment and storage time influenced the physico-chemical, nutraceutical and antioxidant system of figs during storage.

Suggested Citation

  • Giuseppina Adiletta & Luigi Zampella & Caterina Coletta & Milena Petriccione, 2019. "Chitosan Coating to Preserve the Qualitative Traits and Improve Antioxidant System in Fresh Figs ( Ficus carica L.)," Agriculture, MDPI, vol. 9(4), pages 1-12, April.
    • Handle: RePEc:gam:jagris:v:9:y:2019:i:4:p:84-:d:225518
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    Citations

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    Cited by:

    1. Muhammet Ali Gündeşli & Remzi Ugur & Ipek Urün & Sezai Ercisli & Nesibe Ebru Kafkas & Gulce Ilhan & Velibor Spalevic & Riaz Ullah & Ahmed Bari, 2024. "Evaluation of the total phenolic content, sugar, organic acid, volatile compounds and antioxidant capacities of fig (Ficus carica L.) genotypes selected from the Mediterranean region of Türkiye," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 51(2), pages 111-126.
    2. Seyedeh Asiyeh Mousavi & Nader Hasanzadeh, 2021. "Identification and Characterization of Bacterial Agents Causing Moderate Damage and Souring of the Fig Fruits," Journal of Plant Studies, Canadian Center of Science and Education, vol. 10(1), pages 1-40, December.

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