A New Approach for Extending Shelf-Life of Pomegranate Arils with Combined Application of Salicylic Acid and Methyl Jasmonate
2023
Hossam S. El-Beltagi | Hala Hazam Al-Otaibi | Marwa R. Ali
The consumption of fresh-cut pomegranate fruits (arils) has risen recently due to their bioactive compounds and benefits for consumers. However, pomegranate arils have a limited shelf-life and vastly lose their valuable compounds. Therefore, in this study, we investigated the effects of exogenous postharvest treatment with salicylic acid (SA), methyl Jasmonate (MeJA), and their combination on the shelf-life and chemical composition of pomegranate arils under refrigerated storage (5 °C and 90 ± 2% relative humidity) for 15 days. The results indicated that individual or combined application of SA at 2 mM + MeJA at 0.5 mM decreased weight loss, respiration rate, hue angle (h°), and soluble solids content (SSC) compared to the control. All treatments maintained vitamin C, titratable acidity (TA), anthocyanin content, flavonoids, phenolic compounds, and antioxidant capacity under cold conditions compared to the control. The combined application was more effective than the individual application. In conclusion, SA + MeJA application could be applied during the preparation of fresh-cut pomegranate for maintaining quality and bioactive compounds.
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