Elaboration of an unfermented dairy beverage from sheep's milk whey / Elaboração de uma bebida láctea não fermentada a partir de soro de leite de ovelha

Abstract

Sheep whey is a by-product of cheese production, rich in compounds with high added value, such as proteins and free amino-acids. Sheep's milk and, consequently, its whey, have higher levels of solids, such as proteins, being nutritionally richer than cow's milk. The objective of this paper is to develop a drink composed of passion fruit juice and sheep milk whey, with the purpose of being a sweet drink with outstanding nutritional properties, in addition to adding value to the by-product of sheep cheese factories, which so far does not have industrial use. The formulation was developed with passion fruit juice and sheep milk whey. The microbiological and physicochemical results of the sample were satisfactory. The formulation pleased the consumer and showed positive results, highlighting the flavor (7.02 and viscosity (7.18). The global assessment, this formulation had an average of 7.46 and buy intention of 3.82. The results obtained in this study may help sheep milk producers as well as dairy industries, as an alternative to use sheep milk whey that is currently utilized for animal feed.