2024-03-29T11:03:15Zhttps://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/235012021-06-24T07:29:12Zcom_10324_23040com_10324_954com_10324_894col_10324_23043
2017-06-15T09:21:38Z
urn:hdl:10324/23501
Pressurized Water Extraction and Supercritical Water Hydrolysis as means to obtain Ferulic Acid from Wheat Bran
Pazo Cepeda, María Victoria
Cocero Alonso, María José
Alonso Sánchez, Gloria Esther
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.
2017-06-15T09:21:38Z
2017-06-15T09:21:38Z
2016
info:eu-repo/semantics/conferenceObject
http://uvadoc.uva.es/handle/10324/23501
eng
info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
Attribution-NonCommercial-NoDerivatives 4.0 International