Effect of active chitosan-pullulan composite edible coating enrich with pomegranate peel extract on the storage quality of green bell pepper
2021
The present study was carried out to investigate the influence of chitosan-pullulan (50:50) composite edible coating enrich with pomegranate peel extract on quality and storage life of green bell pepper at room (23 ± 3 °C, RH: 40–45%) and cold (4 ± 3 °C, RH: 90–95%) temperatures for 18 days. Physiochemical characteristics as well as the quality of the bell peppers were improved by coating treatment at both the storage temperatures. Results revealed that chitosan-pullulan (50:50) composite edible coating exhibited significantly reduced physiological loss in weight & color browning, maintained total soluble solids, titratable acidity and pH. The treatment also helps to maintain phenolic content, flavonoid content, antioxidant activity, firmness, and sensorial attributes of bell pepper over the storage period. The sensory scores (freshness, color, taste, hardness) were recorded higher in treated bell-pepper during the storage period at both storage temperatures. Therefore, results of the present study suggested that composite coating of green bell pepper with chitosan-pullulan (50:50) enrich with pomegranate peel extract can maintain postharvest storage quality of bell pepper at room and cold storage temperature during storage.
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