Desenvolvimento de bebida láctea fermentada à base de soro de leite e polpa de cajá (Spondias mombin L.) com potencial atividade probiótica

Abstract

The yellow mombin fruit is a very cansumed in the North and Northeast of Brazil and development of products based on this fruit presents as an option of great interest in the food industry, considering its f1avor and functional characteristics. The use of whey in fermented drinks is one of the most attractive options to human cansumption because of the excellent functional properties of the whey protein. Thus, the aim of this study was to develop formulations of yellow mombin-flavored dairy drink fermented. The drinks were developed from a fa ctor i a I planning at 22, using proportions of 20, 30 and 40% of whey and 15, 20 and 25% of yellow mombin pulp, and submitted to sensory test of acceptability. The drinks with highest concentrations of whey were selected and submitted to centesimal composition and assessment of shelf life. Quantity Descriptive Analysis (QDA) was conducted to determine the drinks sensorial profile. Sensorial test was conducted to evaluate the acceptability and purchase intent and physical-chemical analysis to relate them to the sensory attributes. The sensory analysis results showed good acceptability for ali formulations tested. With respect to centesimal composition the content of ash, protein, fat and carbohydrate did not differ significantly. The shelf life consisted of 28 days and during this period the formulations showed good hygienic quality, pH and acidity stability and lactic bacteria counts (Streptococcus thermophilus and Lactobacillus acidophilus) above 6 LOg10/CFU mL, however, Bifidobacterium Bifidum presented values below the limit established by legislation. The sample with the highest proportion of pulp and whey provided better sensorial profiles by the predominance of evaluated attributes. This same formulation showed highest mean values for ali attributes evaluated in the sensorial test, as well as the index of acceptance and purchase intent. Therefore, yellow mombin¬flavored dairy drink fermented presented as an innovative alternative to use this fruit as new product, as well as demonstrated that the use of whey in this product is feasible technological, nutritional and sensory aspects.