Good quality yoghurt should maintain strong curd integrity
without any sign of shrinkage and disintegration into lumps and
whey-off. It should also possess pleasant odor andflavor and,
especially with the set yoghurt, the defect of syneresis, which
relates to the appearance and mouthfeel, can adversely affect
acceptability or preference of consumers. Therefore, it is of great
concern that proper amount of any fat replacer should be used in
the development of low-fat set yoghurt. In our study, it was evident
that either polydextrose or inulin could improve physical and
sensory properties of the product. However, the suitable amount
for each additive seemed to be slightly different in order to give the
yoghurt with better properties, i.e., 1 g/100 mL for inulin and 1e2
g/100 mL for polydextrose, respectively.