Document Detail

Metabolic profile of lettuce leaves by high-field NMR spectra.
MedLine Citation:
PMID:  15986496     Owner:  NLM     Status:  MEDLINE    
A detailed analysis of the proton high-field NMR spectra of aqueous and organic extracts of lettuce leaves is reported for the first time. A combination of COSY, TOCSY, (1)H-(13)C HSQC, (1)H-(13)C HMBC bidimensional sequences and DOSY was used to assign each spin system and to separate the components of the complex patterns. A large number of water-soluble metabolites belonging to different classes such as carbohydrates, polyols, organic acids and amino acids were fully assigned. Moreover, the complex spectra of metabolites extracted in organic solvents belonging to sterols, fatty acids, diacylglycerophospholipids, galactosyldiacylglycerols, sulpholipids, pheophytins, carotenoids and hydrocarbons were also assigned.
Anatoli P Sobolev; Elvino Brosio; Raffaella Gianferri; Anna L Segre
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Magnetic resonance in chemistry : MRC     Volume:  43     ISSN:  0749-1581     ISO Abbreviation:  Magn Reson Chem     Publication Date:  2005 Aug 
Date Detail:
Created Date:  2005-07-11     Completed Date:  2005-11-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9882600     Medline TA:  Magn Reson Chem     Country:  England    
Other Details:
Languages:  eng     Pagination:  625-38     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2005 John Wiley & Sons, Ltd.
Institute of Chemical Methodologies of CNR, Rome 1 Research Area, Via Salaria km 29,300, 00016 Monterotondo (Rome), Italy.
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MeSH Terms
Amino Acids / analysis
Carbohydrates / analysis
Carotenoids / analysis
Lettuce / chemistry,  metabolism*
Molecular Conformation
Nuclear Magnetic Resonance, Biomolecular / methods*
Plant Extracts / analysis
Plant Leaves / chemistry,  metabolism*
Reg. No./Substance:
0/Amino Acids; 0/Carbohydrates; 0/Plant Extracts; 36-88-4/Carotenoids

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