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Modified starch offers improved properties for various industries. This review covers chemical, genetic, enzymatic, and physical modification techniques and their applications in packaging, adhesives, and more.

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Area of Science:

  • Polymer Science
  • Materials Science
  • Biochemistry

Background:

  • Starch is a widely available, biodegradable polymer with significant industrial applications.
  • Native starch has limitations, including poor thermo-mechanical properties and high water absorption.
  • Modification is essential to enhance starch's performance for practical use.

Purpose of the Study:

  • To provide a comprehensive review of starch modification techniques.
  • To discuss recent advancements in genetic, enzymatic, physical, and chemical modification methods.
  • To highlight current applications of modified starch in diverse industrial sectors.

Main Methods:

  • Review of chemical starch modification techniques.
  • Analysis of genetic, enzymatic, and physical starch modification methods.
  • Compilation of recent research and industrial applications.

Main Results:

  • Chemical modification is a prevalent industrial technique for starch.
  • Various modification methods yield starch with tailored properties.
  • Chemically modified starch finds applications in packaging, adhesives, pharmaceuticals, agriculture, superabsorbents, and wastewater treatment.

Conclusions:

  • Starch modification is crucial for overcoming native starch limitations.
  • A range of modification techniques are available, with chemical methods being widely used.
  • Modified starches are versatile materials with growing applications across multiple industries.