beverage
industries as a food ingredient or additive. Whey is a by-product of
cheese making and is mainly obtained from bovine milk, while
ovine whey is widely used in whey cheese production (ricotta)
(Díaz, Pereira, & Cobos, 2004). The main components of whey are
lactose and proteins, primarily b-lactoglobulin and a-lactalbumin
(Zadow, 1993). Many whey products are available in the form of dry
whole whey powder obtained by evaporation and spray drying, or
whey protein concentrates (WPCs) obtained by ultrafiltration and
further spray drying. The amount of protein in WPCs can range
from 30% to 75%. Delactosed and demineralized dry whey is also