Document Detail

Nutritional traits of bean ( Phaseolus vulgaris ) seeds from plants chronically exposed to ozone pollution.
MedLine Citation:
PMID:  19055366     Owner:  NLM     Status:  MEDLINE    
The effect of chronic exposure to ozone pollution on nutritional traits of bean ( Phaseolus vulgaris L. cv. Borlotto Nano Lingua di Fuoco) seeds from plants grown in filtered and nonfiltered open-top chambers (OTCs) has been investigated. Results showed that, among seed macronutrients, ozone significantly raised total lipids, crude proteins, and dietary fiber and slightly decreased total free amino acid content, although with a significant reduction of asparagine, lysine, valine, methionine, and glycine, compensated by a conspicuous augmentation of ornithine and tryptophan. Phytosterol analysis showed a marked increase of beta-sitosterol, stigmasterol, and campesterol in seeds collected from nonfiltered OTCs. With regard to secondary metabolites, ozone exposure induced a slight increase of total polyphenol content, although causing a significant reduction of some flavonols (aglycone kaempferol and its 3-glucoside derivative) and hydroxycinnamates (caffeic, p-coumaric, and sinapic acids). Total anthocyanins decreased significantly, too. Nevertheless, ozone-exposed seeds showed higher antioxidant activity, with higher Trolox equivalent antioxidant capacity (TEAC) values than those measured in seeds collected from filtered air.
Marcello Iriti; Antimo Di Maro; Silvana Bernasconi; Nedda Burlini; Paolo Simonetti; Valentina Picchi; Cinzia Panigada; Giacomo Gerosa; Augusto Parente; Franco Faoro
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  57     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2009 Jan 
Date Detail:
Created Date:  2009-01-07     Completed Date:  2009-02-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  201-8     Citation Subset:  IM    
Istituto di Patologia Vegetale, Universita di Milano, Milano, Italy.
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MeSH Terms
Air Pollutants / toxicity*
Amino Acids / analysis
Antioxidants / analysis
Coumaric Acids / analysis
Dietary Fiber / analysis
Dietary Proteins / analysis
Flavonoids / analysis
Lipids / analysis
Nutritive Value*
Ozone / toxicity*
Phaseolus / chemistry*,  drug effects
Seeds / chemistry*,  drug effects
Reg. No./Substance:
0/Air Pollutants; 0/Amino Acids; 0/Antioxidants; 0/Coumaric Acids; 0/Dietary Proteins; 0/Flavonoids; 0/Lipids; 10028-15-6/Ozone

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