Food Preservation – Page 2

Beeswax-poly(vinyl alcohol) composite films for bread packaging

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Scientists developed an eco-friendly plastic alternative made from polyvinyl alcohol and beeswax that can replace traditional petroleum-based plastics for wrapping bread. Through heat treatment and careful formulation, they created a material that keeps bread fresh nearly as well as regular plastic but is completely biodegradable. This innovation addresses environmental concerns about plastic waste while maintaining the freshness and quality of packaged foods.

Essential Oil Nanoemulsions—A New Strategy to Extend the Shelf Life of Smoothies

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This review explores how essential oil nanoemulsions could naturally preserve smoothies and extend their freshness. Essential oils have antimicrobial and antioxidant properties but taste and smell too strong at effective doses. Nanoemulsions—tiny oil droplets encapsulated in water—solve this problem by being more effective at lower concentrations while maintaining good taste, making them a promising natural alternative to chemical preservatives.

Advancing Pistacia terebinthus L. (Anacardiaceae) Research: Food Preservation, Functional Foods, and Nutraceutical Potential

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The turpentine tree (Pistacia terebinthus L.) is a Mediterranean plant traditionally used in food and medicine that is now being studied for modern food applications. Its fruits, seeds, leaves, and resin contain powerful compounds that fight bacteria, reduce oxidative stress, and promote health. Scientists are developing new techniques like microencapsulation and fermentation to preserve its beneficial properties in functional foods, yogurt, and other products. This underutilized plant could become an important natural ingredient for food preservation and health supplements.

Morphological, molecular, and biological characterization of bulb rot pathogens in stored Lanzhou lily and the in vitro antifungal efficacy of three plant essential oils

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Lanzhou lily is a valuable medicinal and food plant that loses 20-25% of its crop annually due to fungal rot during storage. Researchers identified the main culprit as a fungus called Fusarium oxysporum and found that natural essential oils from cinnamon, tea tree, and angelica plants can effectively inhibit this fungus’s growth. Cinnamon essential oil proved most effective and could serve as a natural alternative to chemical fungicides for protecting stored lily bulbs.

Physicochemical Characterization and Antimicrobial Analysis of Vegetal Chitosan Extracted from Distinct Forest Fungi Species

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Researchers extracted and tested chitosan from five different mushroom species as an alternative to traditional crab-derived chitosan for allergic individuals. Using various scientific techniques, they found that chitosan from lion’s mane mushroom (H. erinaceus) had the best ability to dissolve in solution and kill bacteria, making it promising for food preservation. The study shows that mushroom-based chitosan can work as well as or better than shellfish-derived chitosan while avoiding allergen risks, offering a sustainable solution for food packaging and preservation.

Inhibitory effect and mechanism of action of Carvacrol as a promising natural food preservative against Fusarium acuminatum causing postharvest rot of garlic scapes (Allium sativum L)

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Garlic scapes often rot quickly during storage due to fungal infections. This study found that carvacrol, a natural compound from oregano and thyme, effectively prevents this spoilage and extends shelf life. The research showed that carvacrol damages the fungal cells’ protective membranes, stopping the infection. Since carvacrol is already approved as safe for food use, it could become a practical, natural alternative to chemical preservatives.

Transcriptome Analysis of Dimethyl Fumarate Inhibiting the Growth of Aspergillus carbonarius

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Researchers found that dimethyl fumarate, a chemical preservative, can effectively stop the growth of a common fruit fungus called Aspergillus carbonarius that causes rot and produces a harmful toxin in grapes. By studying how the fungus responds to this treatment at the genetic level, scientists discovered that the chemical damages the fungus’s protective outer layer and interferes with its ability to develop and reproduce. This research could lead to better ways to preserve fruit and prevent toxin contamination in the food industry.

Research Progress on Nutritional Components, Functional Active Components, and Pharmacological Properties of Floccularia luteovirens

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Floccularia luteovirens is a special mushroom from the Qinghai-Tibet Plateau that has been used in traditional Tibetan medicine for centuries. It is extremely nutritious, containing as much protein as meat and numerous beneficial compounds. Scientific research shows it can help fight disease, boost immunity, and even preserve food naturally, making it promising for development as a health supplement and functional food.

Ultrasound-Assisted Preparation of Chitosan Oligosaccharide-Stabilized Thyme Oil-in-Water Nanoemulsions: Enhanced Storage Stability and Antimicrobial Properties

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Researchers created tiny droplets of thyme oil mixed in water using sound waves and a natural stabilizer from shellfish shells. These droplets stayed stable for weeks without separating and worked twice as well at fighting bacteria and mold compared to regular thyme oil. The new formula could be used to keep fresh food from spoiling during storage.

Caseinate–Carboxymethyl Chitosan Composite Edible Coating with Soybean Oil for Extending the Shelf Life of Blueberry Fruit

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This study developed a special edible coating made from natural proteins and carbohydrate polymers with soybean oil to keep blueberries fresh longer. When blueberries were dipped in this coating and refrigerated, they lost less water, stayed firmer, and developed less mold compared to uncoated berries. The coating worked like an invisible protective layer that helped blueberries maintain their quality for up to 28 days, potentially reducing food waste and spoilage.

Research Topic: Food Preservation