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A Preliminary Assessment of Isoflavones in an Agricultural Environment

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Title: A Preliminary Assessment of Isoflavones in an Agricultural Environment
Author(s): Levengood, Jeffrey M.; Tam, Teresa M.; Szafoni, Diane
Subject(s): Phytoestrogens -- Analysis Isoflavones -- Analysis Agriculture -- Environmental aspects Water -- Pollution -- Illinois -- Analysis
Abstract: Isoflavones are phytoestrogens that are abundant in the legume family. Little information exists on the presence of these compounds in the agricultural environment. We conducted a preliminary investigation of selected phytoestrogens in a small highly-cultivated watershed in central Illinois. Paired water and sediment samples were collected from 7 different locations in central Illinois during 2007 and analyzed for a suite of 14 phytoestrogens, including 12 isoflavones, coumestrol,and flavone (used as an internal standard). Seven of the phytoestrogens we measured were detected in low concentrations (parts per trillion) in water, whereas eight analytes were observed in sediment samples at higher concentrations (parts per billion) than in water samples. Our results suggested seasonality to the observed presence of these compounds. Based on the patterns observed in parent compounds and their metabolites, it appears that there are multiple sources of these phytoestrogens in the agricultural environment. Additional studies to further elucidate the patterns observed in this pilot study are warranted. [Editorial note: This project was funded by ISTC on a limited basis as a seed project. There were some analytical issues due to severe matrix suppression in LC/MS which may limit the usefulness of some of the results and these should be taken into consideration as readers view the report.]
Issue Date: 2010-03
Publisher: Champaign, IL : Illinois Sustainable Technology Center
Citation Info: Levengood, Jeffrey M.; Tam, Teresa M.; Szafoni, Diane. A Preliminary Assessment of Isoflavones in an Agricultural Environment (ISTC TR-042). Champaign, IL : Illinois Sustainable Technology Center, 2010.
Series/Report: Illinois Sustainable Technology Center TR Series, TR-042
Genre: Technical Report
Type: Text
Language: English
URI: http://hdl.handle.net/2142/15219
Publication Status: published or submitted for publication
Peer Reviewed: is peer reviewed
Date Available in IDEALS: 2010-03-22
 

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