Research Keyword: freeze-drying

Synthesis of Acetobacter xylinum Bacterial Cellulose Aerogels and Their Effect on the Selected Properties

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Scientists created a special lightweight foam-like material made from bacterial cellulose that could be used in wound dressings, insulation, and water filtration. The material was made sustainably using just tea, sugar, and bacteria—no harmful chemicals needed. Different freezing methods were tested to create the best possible structure, with liquid nitrogen freezing producing the most porous and uniform results. The material showed excellent insulation properties and is biodegradable, making it an environmentally friendly alternative to synthetic foams.

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Impact of maltodextrin and gum Arabic ratio on freeze dried microencapsulated extract of microgreen kangkong (Ipomoea reptans Poir)

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Microgreen kangkong is a young vegetable packed with more beneficial compounds than regular mature kangkong. Researchers found that wrapping these beneficial compounds in a protective coating made from maltodextrin and gum Arabic using freeze-drying technology preserves their health benefits. The best protective coating ratio was 20% maltodextrin and 80% gum Arabic, which kept more of the beneficial compounds intact and created a powder that could be used in functional foods and health supplements.

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Freeze-Dried Probiotic Fermented Camel Milk Enriched with Ajwa Date Pulp: Evaluation of Functional Properties, Probiotic Viability, and In Vitro Antidiabetic and Anticancer Activities

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Researchers created a powdered functional food by combining fermented camel milk with Ajwa date pulp and probiotics. The product showed promise in helping manage blood sugar levels and fighting cancer cells in laboratory tests. Adding date pulp improved the powder’s ability to mix with water and helped beneficial bacteria survive digestion. This combination of camel milk and dates offers a potential new functional food option for people looking to prevent or manage diabetes and other diseases.

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Extrusion-based additive manufacturing of fungal-based composite materials using the tinder fungus Fomes fomentarius

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Scientists have developed a way to 3D print objects using mushroom mycelium (the thread-like structure of fungi) mixed with seaweed-derived alginate. These lightweight, spongy printed objects are biodegradable and have properties similar to polystyrene foam, but are made from renewable resources. This breakthrough could eventually replace plastic foam in packaging and other applications with an eco-friendly fungal alternative.

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Comparative Analysis of Freeze-Dried Pleurotus ostreatus Mushroom Powders on Probiotic and Harmful Bacteria and Its Bioactive Compounds

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Researchers studied oyster mushrooms processed in different ways to understand their health benefits. The study found that cooked oyster mushroom powders can kill harmful bacteria and promote the growth of beneficial gut bacteria. These mushrooms also contain special particles called carbon nanodots that form during cooking and may enhance their health-promoting effects. The findings suggest oyster mushrooms could help maintain a healthy gut microbiota naturally.

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