The wastes and residues of the fruit and vegetable industries constitute an interesting source of phytochemicals that can be readily extracted by simple methods and can then be used for the preparation of different products
(functional foods, nutraceutical preparations or food ingredients). It is, however, essential to guarantee the product safety (pesticide levels and risk assessment of increasing phytochemical concentration). The preparation of these extracts is technologically feasible and they can be obtained at relatively low cost. The biological activity of these extracts needs further research. The main objective of this field of research would be the recuperation of the health-promoting metabolites and quality-related compounds from horticultural products that are currently lost during handling and processing.
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