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Related Concept Videos

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Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
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Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
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Biopesticides offer a sustainable alternative to chemical pesticides, utilizing microbial agents to control agricultural pests. Bacillus thuringiensis (Bt) is a widely employed bacterium known for its potent insecticidal activity. Bt biopesticides are favored for their specificity to insect pests, minimal environmental impact, and natural degradability.Mechanism of Bt Toxin Action Bt produces insecticidal crystal (Cry) proteins during its sporulation phase. These proteins form parasporal...
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Bioavailability Enhancement: Drug Stability Enhancement and GI Retention01:05

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Improving a drug's stability in the gastrointestinal (GI) tract is paramount for enhancing its bioavailability and therapeutic effectiveness. Various strategies are employed to protect the drug from the harsh gastric milieu and to ensure its release and absorption at the desired site within the GI tract.Polymer coatings are one such method used to shield drugs from the stomach's acidic environment. By preventing premature drug release, these coatings improve the bioavailability of unstable...
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Scale-Up Processes01:14

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The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...
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Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
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Multifunctional Bio-Based Packaging for Perishable Foods: Structural Design, Scalable Fabrication, and Versatile

Lei Zhang1, Jiaqi Zhang2, Mei Cui1

  • 1State Key Laboratory of Chemical Engineering and Low-Carbon Technology, Tianjin Key Laboratory of Membrane Science and Desalination Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
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PubMed
Summary
This summary is machine-generated.

Novel bio-based packaging integrates preservation and sensing, offering a sustainable alternative to conventional methods. This approach enhances food safety and reduces waste by providing real-time quality monitoring and extended shelf life.

Keywords:
active packagingbio‐based packagingfood safety and securityintelligent sensingmodified atmosphere packagingradiative coolingsuperhydrophobic surfaces

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Area of Science:

  • Materials Science and Engineering
  • Food Science and Technology
  • Sustainable Packaging Solutions

Background:

  • Food loss and safety are critical global issues, with conventional methods being energy-intensive and slow.
  • Current preservation and detection techniques lack efficiency and immediacy.
  • There is a need for advanced packaging solutions to address these challenges.

Purpose of the Study:

  • To review recent advancements (2020-2025) in multifunctional bio-based packaging.
  • To synthesize design principles for integrating preservation and sensing functions.
  • To propose a framework for next-generation bio-based packaging.

Main Methods:

  • Review of literature on radiative cooling, modified atmosphere packaging, active platforms, intelligent sensing labels, and superhydrophobic surfaces.
  • Analysis of design principles through a structure-transport-function lens.
  • Definition of integration paradigms and standardized benchmarking for shelf-life extension.

Main Results:

  • Multifunctional bio-based packaging integrates preservation and quality monitoring.
  • Advances in radiative cooling, modified atmosphere packaging, and intelligent sensing are highlighted.
  • Standardized methods for comparison and assessment of translation readiness are proposed.

Conclusions:

  • Next-generation bio-based packaging offers dynamic preservation and sensing capabilities.
  • A proposed framework guides development towards safer, sustainable, and waste-minimized food systems.
  • Scalable manufacturing and rigorous validation are crucial for market translation.