Prebiotics as functional foods: A review.

Highlights: [•] Functional food is known as a novel prospective rather than a distinct product. [•] Epidemiological studies confirm health benefits belong to functional food. [•] Prebiotics are non-digestible carbohydrates by human enzymes. [•] Bioactive prebiotics improve organoleptic characteristics. [•] Bioactive prebiotics are safe to use in many food applications. [Copyright &y& Elsevier]