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Please use this identifier to cite or link to this item: http://uvadoc.uva.es/handle/10324/23501
Title: Pressurized Water Extraction and Supercritical Water Hydrolysis as means to obtain Ferulic Acid from Wheat Bran
Authors: Pazo Cepeda, María Victoria
Cocero Alonso, María José
Alonso, Esther
Conference: 8th Green Solvents Conference
Issue Date: 2016
Abstract: Phenolic compounds are of considerable interest due mainly to their antioxidant activity. They constitute a large family of compounds that can be found in cereals, fruits or vegetables, and present potential commercial applications in the food, health and cosmetic industries. By extracting them from waste materials, we are contributing not only to reduce but also to revalorize the residues. Wheat bran is an abundant and underused byproduct from the milling industry, whose main phenolic compound is ferulic acid (FA). It can be found in three forms: soluble free (F-FA), soluble conjugated (C-FA) and insoluble bound form (B-FA), being the major part in the insoluble bound form, esterified to the arabinoxylans (AX) and other cell wall structural components (≈92%). Hence, new processes are required to break these bonds in order to recover it in high quantities. In this study, two different techniques have been applied and compared with the aim of maximizing the extraction of FA from wheat bran: in the first one pressurized water (PW) is used as solvent and in the second one supercritical water (SCW) has been tested.
Sponsor: CTQ2015-64892-R (MINECO/FEDER)
Junta de Castilla y León (programa de apoyo a proyectos de investigación – Ref. VA040U16)
Language: eng
URI: http://uvadoc.uva.es/handle/10324/23501
Rights: info:eu-repo/semantics/openAccess
Appears in Collections:IPP - Comunicaciones a congresos, conferencias, etc.

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