Liquid foods are classified as Newtonian or nonNewtonian
depending on the relationship between shear rate and
shear stress.The viscosity of foods has
an important place in order to understand the structure of food,
food processing and equipment, control of the food production.There have been a lot of
recent studies to define the rheological properties of materials used
in food industry.On the other
hand, there is no enough information about rheological characteristics
of fermented soy milk with added apple juice, according to
the best of the authors' knowledge.