Chemically Modified Hydrocolloids

Chemically Modified Hydrocolloids


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The hydrocolloid market is driven by R&D and innovation. To meet customer demand for high-quality, innovative hydrocolloids, Alfa Chemistry is able to use chemical modifications to improve the biological properties of these colloids. Our modification techniques include sulfation, phosphorylation, methylation, carboxymethylation, acetylation, hydroxypropylation, selenization, and etherification. Our technical team has rich experience in modification and is your most trusted partner.

Chemically Modified Hydrocolloids


The commonly used synthetic methods for chemical modification are shown in the following table:

Chemically Modified Hydrocolloids

Research and Development

Our modified colloids include a series of products such as propylene glycol alginate, amidated pectin, modified starch, and cellulose derivatives. Chemical modifications can not only improve the properties of these colloids, but sometimes lead to entirely new activities. For example, selenium-modified medicago sativa l. polysaccharides possesses antioxidant and neuroprotective activities; ZnO/Zn nanoparticles based on modified starch exhibit superior catalytic ability for photodegradation of dyes; the hydrophilic colloids modified by carboxymethylation can be used as biosorbents to adsorb heavy metal pollutants in water environment.

Fig.1 Illustration of the preparation processes of several graftable polysaccharides.Fig.1 Illustration of the preparation processes of several graftable polysaccharides.[2]

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Chemically Modified Hydrocolloids

Chemically Modified Hydrocolloids

  • Excellent gel properties
  • Better mechanical properties
  • Easy to form and process
  • High transparency

The needs of customers are the inexhaustible driving force for Alfa Chemistry to create new products. We can provide a variety of chemically modified hydrocolloids and help customers expand the application fields of hydrocolloids.


  1. Xu Y, et al. Chemically modified polysaccharides: Synthesis, characterization, structure activity relationships of action. International Journal of Biological Macromolecules. 2019, 132:970-977.
  2. Hu H. Versatile Types of Polysaccharide-Based Drug Delivery Systems: From Strategic Design to Cancer Therapy. International Journal of Molecular Sciences. 2020, 21.

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