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  • Title: Artichoke (Cynara cardunculus var. scolymus L.) by-products as a source of inulin: how to valorise an agricultural supply chain extracting an added-value compound.
    Author: Cavini S, Guzzetti L, Givoia F, Regonesi ME, Di Gennaro P, Magoni C, Campone L, Labra M, Bruni I.
    Journal: Nat Prod Res; 2022 Apr; 36(8):2140-2144. PubMed ID: 33118389.
    Abstract:
    This study is aimed at valorizing artichoke (Cynara cardunculus var. scolymus L.) by-products as source of inulin, a fiber showing relevant prebiotic properties, through the realization of a waste value chain. Starting from artichoke by-products, the inulin fraction was assessed both in terms of total amount and degree of polymerization as a function of the harvest season and storage conditions. These parameters have been found significant at influencing inulin yield of extraction. For the first time, artichoke wastes were proposed to be exploited taking into account the optimal conditions to preserve their high-added chemical value. Our data suggest that Italian farms could obtain from their wastes a total amount of 16 t/year of inulin with an average polymerization degree higher than 40 and would allow the development of a circular economy process within the artichoke supply chain, by exploiting its wastes representing 70% of the total artichoke biomass.
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