Research Keyword: barrier properties

Ultrasound-assisted development and characterization of novel polyphenol-loaded pullulan/trehalose composite films for fruit preservation

Researchers developed a new type of edible food wrap made from natural plant materials (tea polyphenols, pullulan, and trehalose) treated with ultrasound. This wrap is stronger, more protective against oxygen and moisture, and kills harmful bacteria like E. coli and Staphylococcus aureus. When used to wrap fresh apples and pears, it significantly extended their shelf life by reducing browning and decay.

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Preparation and Characterization of a Novel Artemisia Oil Packaging Film and Its Application in Mango Preservation

Researchers developed a new type of edible film made from soybean protein and gelatin infused with Artemisia oil to preserve mangoes longer after harvest. This natural, biodegradable packaging film helps prevent mango spoilage by blocking light, reducing water loss, and stopping fungal growth that causes rot. When used to wrap mangoes, the film significantly extended shelf life and maintained freshness better than unwrapped fruit, offering an environmentally friendly alternative to conventional plastic packaging.

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Edible Coating Based on Konjac glucomannan Loading Ocimum gratissimum Essential Oil for Postharvest Preservation of Orange

Researchers developed a special edible coating made from konjac glucomannan and basil essential oil that can be applied to oranges to keep them fresh longer. The coating acts as a protective barrier that slows down moisture loss and microbial growth while allowing the fruit to breathe. When applied to Mandarin oranges, this coating extended their shelf life by 8 days, kept them firmer, and reduced spoilage compared to uncoated oranges.

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