RT Journal Article T1 A Novel Proteomic Analysis of the Modifications Induced by High Hydrostatic Pressure on Hazelnut Water-Soluble Proteins A1 Prieto, Nuria A1 Burbano, Carmen A1 Iniesto, Elisa A1 Rodríguez, Julia A1 Cabanillas, Beatriz A1 Crespo, Jesus A1 Pedrosa, Mercedes A1 Muzquiz, Mercedes A1 del Pozo, Juan A1 Linacero de la Fuente, Rosario A1 Cuadrado, Carmen AB Food allergies to hazelnut represent an important health problem in industrialized countries because of their high prevalence and severity. Food allergenicity can be changed by several processing procedures since food proteins may undergo modifications which could alter immunoreactivity. High-hydrostatic pressure (HHP) is an emerging processing technology used to develop novel and high-quality foods. The effect of HHP on allergenicity is currently being investigated through changes in protein structure. Our aim is to evaluate the effect of HHP on the protein profile of hazelnut immunoreactive extracts by comparative proteomic analysis with ProteomeLab PF-2D liquid chromatography and mass spectrometry. This protein fractionation method resolves proteins by isoelectric point and hydrophobicity in the first and second dimension, respectively. Second dimension chromatogram analyses show that some protein peaks present in unpressurized hazelnut must be unsolubilized and are not present in HHP-treated hazelnut extracts. Our results show that HHP treatment at low temperature induced marked changes on hazelnut water-soluble protein profile. PB MDPI SN 2304-8158 YR 2014 FD 2014-05-05 LK https://hdl.handle.net/20.500.14352/34318 UL https://hdl.handle.net/20.500.14352/34318 LA eng NO Ministerio de Ciencia e Innovación (MICINN) DS Docta Complutense RD 3 may 2024