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Functional probiotic fermented dairy foods for a healthy life-style – a review


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Abstract

Purpose: Health consciousness, increased interest in healthy foods, and rising medical costs have all contributed to the strong global trend of consumers favouring functional and nutritious foods. Prophylactic properties of traditional fermented dairy products can be enhanced with dietary interventions such as probiotics, prebiotics, synbiotics and postbiotics. Fermented dairy products are considered as a suitable matrix in comparison to non-fermented dairy products for probiotic carrier owing to its healthy image and protection of probiotic viability due to the milk protein. Retention of normal gut flora is of prime importance for good health as any disturbance in gut composition results in dysbiosis. The purpose of this paper was to review the functional properties of probiotics to project probiotic fermented dairy foods as a new dimension in the functional food market in the current era of self-care and complementary medicine.

Design/methodology/approach: An attempt was made to search the literature (review and researched papers) to highlight the beneficial features of probiotics and their suitability during the formulation of fermented dairy functional foods. Key factors for successful application of probiotics during functional food formulation was also considered. Keywords used for data searched included dairy-based functional foods, probiotic functional foods, factors affecting probiotic viability and health benefits of probiotic containing fermented milk functional foods.
Findings: Functional dairy products, formulated with the inclusion of probiotic are efficacious in alleviating diverse diseases like diabetes, lactose-intolerance, obesity, nonalcoholic fatty liver disease, immune function, necrotizing enterocolitis, Respiratory tract infections, high cholesterol levels, diarrhoea, inflammation, irritable bowel syndrome, osteoporosis, halitosis, colonic cancer etc. For success of probiotic fermented dairy foods, appropriate selection of probiotic strains, dairy food matrix and processing technologies are of prime importance. Systematic clinical trials must be performed prior to its application as functional foods.
Originality/value: Functional probiotic fermented dairy foods may attract food manufacturers to cater health-conscious consumers in the current era of self-care and complementary medicine.

Keywords

probiotics, gut flora, health benefits, functional foods, fermented dairy foods

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