Milk and dairy products are a good source of many valuable nutrients
and minerals in human diet. Among these products, yogurt is
gaining popularity due to its acceptability for consumers as well as
its nutritional properties and potentially beneficial effects on human
health. One of the reasons for its rising popularity is the increasing
number of flavours and yogurts enriched with fruit pieces, cereals
or other ingredients. Although dairy yogurts still represent the highest
percentage of consumed yogurts, soy-based ones are gaining ground
in the market. Soy yogurts are produced using soy milk (produced by
soaking dry soybeans and grinding them with water), yogurt bacteria
and sometimes additional sweeteners, in a similar way than dairy yogurts
(we will refer only to yogurts obtained from cow's milk).