3.3. Syneresis index
Food products containing starch in their composition may show
syneresis as an undesired effect and require the addition of gum.
Syneresis was not observed during the 28 days of storage of the
three studied formulations, demonstrating the positive hygroscopic
effect of adding 0.2% xanthan gum. This anionic hydrocolloid interacts
with the positive charges on the surface of casein micelles
and reinforces the network formed, consequently reducing syneresis
and promoting increased stability in the product (Silveira et al.,
2015).