Gellan gum - Structural properties and variation

3 important questions on Gellan gum - Structural properties and variation

What is the conformation of gellan gum?

Linear

What are the building blocks of gellan gum?

Repeating units of:
  • rhamnose
  • glucose, some substituted by O-2 linked glyceryl or O-6 linked acetyl. Every 2 repeating units has 2 glyceryl and 1 acetyl
  • glucuronic acid

How can de-acylated gellan gum be made?

By post-fermentation processing, the substituents can be removed.

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