Tomato wastes and by-products: Upcoming sources of polyphenols and carotenoids for food, nutraceutical, and pharma applications
2023
López-Yerena, Anallely | Domínguez López, Inés | Abuhabib, Mohamed M. | Lamuela Raventós, Rosa Ma. | Vallverdú i Queralt, Anna | Pérez Bosch, Maria
Tomato pomace, a waste product consisting of peels, seeds, rich on fibrous matter, represents an underutilized source of bioactive compounds, such as polyphenols and carotenoids. Here we present a three-pronged review of the circular utilization of tomato waste in line with the United Nations Sustainable Development Goals. First, we explain why tomato waste is important, highlighting the processing techniques that generate it. The bioactive compounds in these by-products are then comprehensively reviewed, focusing especially on phenolic compounds and carotenoids and the methods used for their extraction. Finally, we examine the potential of these bioactive ingredients for application in food systems and pharmaceutical products.
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