Document Detail


Non-targeted metabolomic approach reveals urinary metabolites linked to steroid biosynthesis pathway after ingestion of citrus juice.
MedLine Citation:
PMID:  23122147     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Citrus juice intake has been highlighted because of its health-promoting effects. LC-MS based metabolomics approaches are applied to obtain a better knowledge on changes in the concentration of metabolites due to its dietary intake and allow a better understanding of involved metabolic pathways. Eight volunteers daily consumed 400mL of juice for four consecutive days and urine samples were collected before intake and 24h after each citrus juice intake. Urine samples were analysed by nanoHPLC-q-TOF, followed by principal component analysis (PCA) and Student's t-test (p<0.05). PCA showed a separation between two groups (before and after citrus juice consumption). This approach allowed the identification of four endocrine compounds (tetrahydroaldosterone-3-glucuronide, cortolone-3-glucuronide, testosterone-glucuronide and 17-hydroxyprogesterone), which belonged to the steroid biosynthesis pathway as significant metabolites upregulated by citrus juice intake. Additionally, these results confirmed the importance of using the non-targeted metabolomics technique to identify new endogenous metabolites, up- or down-regulated as a consequence of food intake.
Authors:
S Medina; F Ferreres; C García-Viguera; M N Horcajada; J Orduna; M Savirón; G Zurek; J M Martínez-Sanz; J I Gil; A Gil-Izquierdo
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Publication Detail:
Type:  Journal Article     Date:  2012-09-14
Journal Detail:
Title:  Food chemistry     Volume:  136     ISSN:  0308-8146     ISO Abbreviation:  Food Chem     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2012-11-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7702639     Medline TA:  Food Chem     Country:  England    
Other Details:
Languages:  eng     Pagination:  938-46     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Food Science and Technology, CEBAS-CSIC, Campus de Espinardo, P.O. Box 164, 30100 Espinardo, Murcia, Spain.
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