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<p>This study investigated the effects of biofilm (Parka™) treatment on postharvest quality losses and biochemical changes in the ‘Monterey’ strawberry cultivar during storage. Fruit samples were stored for 12&#xa0;days at 4 ± 0.5 °C and 75 ± 5% relative humidity, and analyses were performed at 4‑day intervals. Changes in weight loss, soluble solids content (SSC), titratable acidity (TA), pH, total phenolics&#xa0;(TPC), total flavonoids&#xa0;(TFC), and antioxidant activity—2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP)—were evaluated during the storage. The results showed that biofilm treatment was effective in reducing weight loss in the later days of storage (days&#xa0;8 and 12). However, the effect of biofilm on SSC, TA, and pH values was comparatively limited. Indeed, the effect of biofilm treatment on SSC was significant only on day 12, and on TA only on day&#xa0;4. The pH value did not change depending on the treatments. The effect of the treatments on bioactive compounds varied during storage. The highest values for bioactive compounds were obtained from the biofilm treatment on the last day of storage. Supported by the principal component analysis (PCA) results, these findings indicate that biofilm treatment may help maintain strawberry quality during cold storage by reducing weight loss and SSC decline, while also limiting the loss of antioxidant activity, total phenolics, and flavonoids.</p>

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Effect of Biofilm Treatment on Quality Losses and Biochemical Properties of Strawberries During Cold Storage

  • 期刊论文

  • 发表日期：

    2026年7月16日

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  • Umut Ateş,
  • Orhan Karakaya,
  • Burhan Öztürk,
  • Emrah Güler

摘要

This study investigated the effects of biofilm (Parka™) treatment on postharvest quality losses and biochemical changes in the ‘Monterey’ strawberry cultivar during storage. Fruit samples were stored for 12 days at 4 ± 0.5 °C and 75 ± 5% relative humidity, and analyses were performed at 4‑day intervals. Changes in weight loss, soluble solids content (SSC), titratable acidity (TA), pH, total phenolics (TPC), total flavonoids (TFC), and antioxidant activity—2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP)—were evaluated during the storage. The results showed that biofilm treatment was effective in reducing weight loss in the later days of storage (days 8 and 12). However, the effect of biofilm on SSC, TA, and pH values was comparatively limited. Indeed, the effect of biofilm treatment on SSC was significant only on day 12, and on TA only on day 4. The pH value did not change depending on the treatments. The effect of the treatments on bioactive compounds varied during storage. The highest values for bioactive compounds were obtained from the biofilm treatment on the last day of storage. Supported by the principal component analysis (PCA) results, these findings indicate that biofilm treatment may help maintain strawberry quality during cold storage by reducing weight loss and SSC decline, while also limiting the loss of antioxidant activity, total phenolics, and flavonoids.