Dairy foods, particularly those of bovine origin, are the predominant vehicles for delivery of probiotic bacteria. Caprine (goat) milk also possesses potential for successful delivery of probiotics, and despite its less appealing flavor in some products, the use of goat milk as a probiotic carrier has rapidly increased over the last decade. This review reports on the diversity, applicability, and potential of using probiotics to enhance the sensory properties of goat milk and goat milk‐based products. A brief conceptual introduction to probiotic microorganisms is followed by an account of the unique physicochemical, nutritive, and beneficial aspects of goat milk, emphasizing its advantages as a probiotic carrier. The sensory properties of probiotic‐enriched goat milk products are also discussed. The maintenance of probiotic viability and desirable physicochemical characteristics in goat milk products over shelf life is possible. However, the unpleasant sensory features of some goat milk products remain a major disadvantage that hinder its wider utilization. Nevertheless, certain measures such as fortification with selected probiotic strains, inclusion of fruit pulps and popular flavor compounds, and production of commonly consumed tailor‐made goat milk‐based products have potential to overcome this limitation. In particular, certain probiotic bacteria release volatile compounds as a result of their metabolism, which are known to play a major role in the aroma profile and sensory aspects of the final products.
High-intensity ultrasound (HIUS) can be used as a mild-preservation technology in dairy products, due to its ability to inactivate pathogenic microorganisms and enzymes. In addition, it can result in physical and chemical alterations in the products and has impact on the probiotic viability and metabolic activity. This review provides an overview of the effects of HIUS on dairy products manufactured with probiotics and prebiotics. Furthermore, it presents perspectives of HIUS application on paraprobiotics and postbiotics products. HIUS has been proven to be a potential technology and its application to fermented dairy products can result in shorter processing time, increased probiotic viability, and products with low lactose content, higher oligosaccharides concentration, less undesirable taste (lower propionic and acetic acids content) and reduced ingredients (no need of prebiotic addition or β-galactosidase inclusion). In cheeses, HIUS can reduce the ripening time and accelerate proteolysis, resulting in products with better sensory, textural and nutritional (bioactive peptides) characteristics. Furthermore, it can change the prebiotic structure, facilitating the access for the probiotics. The impact of the HIUS is highly dependent on the process parameters (frequency, power, processing time, pulse mode and duration), type of probiotic culture and food composition. Therefore, HIUS process parameters must be precisely quantified and controlled. The HIUS can also be applied to the inactivation of probiotic cultures and development of paraprobiotic products or to the improvement in the production of soluble factors (postbiotics) with health effects. Further researches should be conducted to evaluate the efficiency of this methodology in the cases of paraprobiotic and postbiotic products.