Unit 4 - Food preparation (e-book)


4.4 Modification of the viscosity of liquids

4.4.2 What can you use to thicken liquids?

Commercial thickenersModified corn starch, xanthan gum, guar gum and Tara gum (alone or combined) are common thickeners to increase the viscosity of the fluids.




Figure 11. Commercial food thickeners (Source: CADIS Huesca)



How to thicken liquids

how to thicken

 Figures 12. Tips to prepare thickened beverages. (Source: Nutricia)



Ivideot is useful to follow the manufacturer's instructions for the commercial thickener used. However, it should be noted that the final thickness and characteristics are different depending on the beverage used.


(Nestlé Health Science UK, 2020)



Some tips for preparing thickened beverages:

tip1 tip2 tip3

Figures 13, 14, and 15. Tips to prepare thickened beverages (Source: Nutricia)



Testing Methods for use with the IDDSI Framework

Drinks and other liquids

testing methods

Go video: IDDSI Flow test

(Source: IDDSI, 2020)