| Metabolite profiling of phenolic and carotenoid contents in tomatoes after moderate-intensity pulsed electric field treatments. | |
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MedLine Citation:
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PMID: 23017413 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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A metabolite profiling approach was used to study the effect of moderate-intensity pulsed electric field (MIPEF) treatments on the individual polyphenol and carotenoid contents of tomato fruit after refrigeration at 4°C for 24h. The MIPEF processing variables studied were electric field strength (from 0.4 to 2.0kV/cm) and number of pulses (from 5 to 30). Twenty four hours after MIPEF treatments, an increase was observed in hydroxycinnamic acids and flavanones, whereas flavonols, coumaric and ferulic acid-O-glucoside were not affected. Major changes were also observed for carotenoids, except for the 5-cis-lycopene isomer, which remain unchanged after 24h of MIPEF treatments. MIPEF treatments, conducted at 1.2kV/cm and 30 pulses, led to the greatest increases in chlorogenic (152%), caffeic acid-O-glucoside (170%) and caffeic (140%) acids. On the other hand, treatments at 1.2kV/cm and 5 pulses led to maximum increases of α-carotene, 9- and 13-cis-lycopene, which increased by 93%, 94% and 140%, respectively. Therefore, MIPEF could stimulate synthesis of secondary metabolites and contribute to production of tomatoes with high individual polyphenol and carotenoid contents. |
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Authors:
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Anna Vallverdú-Queralt; Gemma Oms-Oliu; Isabel Odriozola-Serrano; Rosa M Lamuela-Raventós; Olga Martín-Belloso; Pedro Elez-Martínez |
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Publication Detail:
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Type: Journal Article Date: 2012-08-04 |
Journal Detail:
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Title: Food chemistry Volume: 136 ISSN: 0308-8146 ISO Abbreviation: Food Chem Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2012-09-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7702639 Medline TA: Food Chem Country: England |
Other Details:
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Languages: eng Pagination: 199-205 Citation Subset: IM |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Nutrition and Food Science Department, XaRTA, INSA, Pharmacy School, University of Barcelona, Av. Joan XXIII s/n, Barcelona 08028, Spain; CIBER CB06/03 Fisiopatología de la Obesidad y la Nutrición, (CIBEROBN), and RETICS RD06/0045/0003, Instituto de Salud Carlos III, Spain. |
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