Emerging Exotic Fruits: New Functional Foods in the European Market

The consumption of exotic fruits is rapidly increasing in European countries. Some of these products have attracted much interest due to their alleged properties of preventing malnutrition, over-nutrition, and disease, maintaining a healthy body. Scientific studies on these fruits are multiplying, including chemical characterizations and biological investigations on in vitro and in vivo experimental models. This review concerns four edible fruits: Hylocereus undatus (dragon fruit), Annona cherimola (cherimoya), Citrus australasica (finger lime), and Averrhoa carambola (carambola or star fruit). By screening biomedical databases, viz. Scopus, WOS, and PubMed, a total of 131 papers have been selected. Data reveals a wide series of biological effects that confirm traditional medicinal uses or suggest new therapeutic applications. Most studies concern problems related to nutrition, such as body redox balance, metabolic syndrome, and hepatoprotective effects, but other properties have been highlighted, including anticancer, antimicrobial, anti-inflammatory, and neuroprotective effects, as well as cardiovascular and skin protection. Pharmacological investigations have also been focused on specific compounds, assuming a potential role in drug discovery. In summary, food products, byproducts, and single compounds derived from these plants could be exploited in the prevention of disease or for specific treatments of health problems.

Abstract licence: CC BY

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