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J Agric Food Chem

Title:		"Inoculation of the nonlegume Capsicum annuum L. with Rhizobium strains. 2. Changes in sterols, triterpenes, fatty acids, and volatile compounds"
Author(s):		Silva LR; Azevedo J; Pereira MJ; Carro L; Velazquez E; Peix A; Valentao P; Andrade PB;
Address:		"REQUIMTE/Laboratorio de Farmacognosia, Departamento de Quimica, Faculdade de Farmacia, Universidade do Porto , Rua de Jorge Viterbo Ferreira, No. 228, 4050-313 Porto, Portugal"
Journal Title:		J Agric Food Chem
Year:		2014
Volume:		20140109
Issue:		3
Page Number:		565 - 573
DOI:		10.1021/jf4046655
ISSN/ISBN:		1520-5118 (Electronic) 0021-8561 (Linking)
Abstract:		"Peppers (Capsicum spp.) are consumed worldwide, imparting flavor, aroma, and color to foods, additionally containing high concentrations of biofunctional compounds. This is the first report about the effect of the inoculation of two Rhizobium strains on sterols, triterpenes, fatty acids, and volatile compounds of leaves and fruits of pepper (Capsicum annuum L.) plants. Generally, inoculation with strain TVP08 led to the major changes, being observed a decrease of sterols and triterpenes and an increase of fatty acids, which are related to higher biomass, growth, and ripening of pepper fruits. The increase of volatile compounds may reflect the elicitation of plant defense after inoculation, since the content on methyl salicylate was significantly increased in inoculated material. The findings suggest that inoculation with Rhizobium strains may be employed to manipulate the content of interesting metabolites in pepper leaves and fruits, increasing potential health benefits and defense abilities of inoculated plants"
Keywords:		Agricultural Inoculants/*physiology Capsicum/chemistry/growth & development/metabolism/*microbiology Fatty Acids/*analysis/metabolism Fruit/*chemistry/growth & development/metabolism Plant Extracts/*analysis/metabolism Rhizobium/*physiology Sterols/*analy;
Notes:		"MedlineSilva, Luis R Azevedo, Jessica Pereira, Maria J Carro, Lorena Velazquez, Encarna Peix, Alvaro Valentao, Patricia Andrade, Paula B eng Research Support, Non-U.S. Gov't 2014/01/11 J Agric Food Chem. 2014 Jan 22; 62(3):565-73. doi: 10.1021/jf4046655. Epub 2014 Jan 9"