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Related Concept Videos

Polymers02:34

Polymers

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The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the...
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The polymerization process that involves carbanion as an intermediate is called anionic polymerization. It is also a type of addition or chain-growth polymerization. Anionic polymerization gets initiated by a strong nucleophile such as an organolithium or a Grignard reagent. The most commonly used initiator for anionic polymerization is butyl lithium. Monomers involved in anionic polymerization must possess a vinyl group bonded to one or two electron-withdrawing groups. For instance,...
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Updated: Jun 12, 2025

Author Spotlight: Development and Characterization of Eco-Friendly Lignin-Based Microparticles for Enhanced Delivery of Bioflavonoids
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Biopolymer-polyphenol conjugates: Novel multifunctional materials for active packaging.

Shahriyar Sahraeian1, Behrokh Abdollahi2, Ali Rashidinejad3

  • 1Department of Food Science and Technology, College of Agriculture, Shiraz University, Shiraz, Iran.

International Journal of Biological Macromolecules
|September 17, 2024
PubMed
Summary

Biopolymer-polyphenol conjugates offer a natural alternative for active food packaging. These materials exhibit antioxidant and antimicrobial properties, enhancing food preservation and safety.

Keywords:
Active packagingMultifunctional conjugatesPolyphenolsPolysaccharidesProteins

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Area of Science:

  • Food Science
  • Materials Science
  • Biotechnology

Background:

  • Petroleum-based packaging poses environmental concerns.
  • Natural active packaging materials are gaining traction.
  • Biopolymer-polyphenol conjugates show promise for food applications.

Purpose of the Study:

  • To review biopolymer-polyphenol conjugates as active packaging materials.
  • To explore their physicochemical and functional properties.
  • To identify future research directions.

Main Methods:

  • Literature review of biopolymer-polyphenol conjugates in food packaging.
  • Analysis of their properties: emulsification, antioxidant, antimicrobial.
  • Evaluation of mechanical and permeability enhancements.

Main Results:

  • Biopolymer-polyphenol conjugates possess multifunctional properties.
  • They enhance mechanical strength and barrier properties of packaging.
  • These conjugates offer antioxidant and antimicrobial activities.

Conclusions:

  • Biopolymer-polyphenol conjugates are viable for active food packaging.
  • Further research is needed to optimize their application.
  • They represent a sustainable alternative to conventional packaging.