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Open AccessArticle

Technical and Economic Feasibility of a Stable Yellow Natural Colorant Production from Waste Lemon Peel

Istituto per lo Studio dei Materiali Nanostrutturati, CNR via U. La Malfa 153, 90146 Palermo, Italy
Medical University of South Carolina 280 Calhoun St, Office QF301 Pharmacy Building Charleston, Charleston, SC 29425-5700, USA
Istituto di Bioeconomia, CNR via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
Authors to whom correspondence should be addressed.
Appl. Sci. 2020, 10(19), 6812;
Received: 9 September 2020 / Revised: 25 September 2020 / Accepted: 26 September 2020 / Published: 28 September 2020
(This article belongs to the Special Issue Sustainable Technologies for the Revalorization of Agro-Food Residues)
A brief technical and economic insight into producing the water-soluble yellow colorant limocitrol 3-O-6″-[3-hydroxyl-3-methylglutaryl)])-β-d-glucopyranoside from waste lemon peel via simple solid–liquid extraction in aqueous ethanol or via hydrodynamic cavitation of waste lemon peel in water shows that the biocolorant can be obtained with multiple technical and economic advantages. Coupled with the simplicity and sustainability of the extraction processes suggested, the high chemical and physical stability of this polymethoxylated flavonol and the health benefits of citrus flavonoids support industrialization of this new bioeconomy production. View Full-Text
Keywords: limocitrol; lemon; citrus; bioeconomy; biocolorant; flavonoids limocitrol; lemon; citrus; bioeconomy; biocolorant; flavonoids
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Ciriminna, R.; Forest, B.; Meneguzzo, F.; Pagliaro, M.; Hamann, M.T. Technical and Economic Feasibility of a Stable Yellow Natural Colorant Production from Waste Lemon Peel. Appl. Sci. 2020, 10, 6812.

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