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Related Concept Videos

Biosynthesis of Polysaccharides01:26

Biosynthesis of Polysaccharides

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Polysaccharides such as glycogen and starch are synthesized from nucleoside diphosphate sugars, primarily uridine diphosphate glucose (UDPG) and adenosine diphosphate glucose (ADPG). These activated glucose donors act as key intermediates in carbohydrate metabolism and biosynthesis. UDPG primarily involves glycogen synthesis in animals and many bacteria, while ADPG plays a fundamental role in starch synthesis in plants and certain bacteria.UDPG is formed when glucose-1-phosphate reacts with...
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Cellulose and Pectic Polysaccharides01:15

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 Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth.  Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
As a cell matures, its cell wall specializes according to its type. For example, the...
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Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging
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Polysaccharide-Based Nanocomposites for Food Packaging Applications.

Kunal Pal1, Preetam Sarkar2, Arfat Anis3

  • 1Department of Biotechnology and Medical Engineering, National Institute of Technology Rourkela, Rourkela 769008, India.

Materials (Basel, Switzerland)
|October 13, 2021
PubMed
Summary

Polysaccharide bionanocomposites show promise for food packaging. Incorporating agents like silver nanoparticles enhances properties and adds antimicrobial benefits, suggesting suitability for further testing.

Keywords:
cellulosechitosannanocompositesnanoparticlessilver nanoparticlesstarch

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Area of Science:

  • Materials Science
  • Food Science
  • Nanotechnology

Background:

  • Polysaccharide bionanocomposites are being explored as sustainable alternatives for food packaging.
  • These materials consist of a polysaccharide matrix and nanoscale reinforcing agents.
  • Traditional food packaging faces environmental and performance challenges.

Purpose of the Study:

  • To review the literature on polysaccharide bionanocomposites for food packaging applications.
  • To identify commonly used polysaccharides and reinforcing agents.
  • To assess the impact of reinforcing agents on material properties and potential functionalities.

Main Methods:

  • A comprehensive literature review was conducted using the Web of Science database.
  • Scientometric analysis was performed using VosViewer software.
  • Key polysaccharides (chitosan, cellulose, starch) and reinforcing agents (silver nanoparticles, cellulose nanostructures) were identified.

Main Results:

  • Chitosan, cellulose, and starch are prevalent polysaccharides in food packaging research.
  • Cellulose nanostructures and silver nanoparticles are effective reinforcing agents.
  • Reinforcing agents significantly enhance the thermal and mechanical stability of polysaccharide films.
  • Nanocomposites with silver nanoparticles demonstrate notable antimicrobial properties.

Conclusions:

  • Polysaccharide-based nanocomposites possess desirable properties for food packaging.
  • The incorporation of nanoscale reinforcing agents offers tunable material characteristics.
  • Further testing is warranted to validate their performance across diverse food packaging applications.