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Analysis of soy isoflavone plasma levels using HPLC with coulometric detection in postmenopausal women
A reliable chromatographic method for the determination of soy isoflavones (genistein, daidzein and glycitein) using a coulometric detection has been developed and applied to analyse plasma of postmenopausal women. The chromatographic separation was performed on a C18 reversed phase column with a mo...
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| Published in: | Journal of pharmaceutical and biomedical analysis 2010-11, Vol.53 (3), p.682-687 |
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| Main Authors: | , |
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| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c385t-67d44866de0fdab51d853d0c0bb69d0fb520b0f630416f67ef0e167559785fc53 |
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| cites | cdi_FETCH-LOGICAL-c385t-67d44866de0fdab51d853d0c0bb69d0fb520b0f630416f67ef0e167559785fc53 |
| container_end_page | 687 |
| container_issue | 3 |
| container_start_page | 682 |
| container_title | Journal of pharmaceutical and biomedical analysis |
| container_volume | 53 |
| creator | Saracino, M.A. Raggi, M.A. |
| description | A reliable chromatographic method for the determination of soy isoflavones (genistein, daidzein and glycitein) using a coulometric detection has been developed and applied to analyse plasma of postmenopausal women. The chromatographic separation was performed on a C18 reversed phase column with a mobile phase composed of acetonitrile–phosphate buffer mixture. Coulometric detection was carried out at +0.500
V. A careful and rapid solid phase extraction procedure on hydrophilic/lipophilic cartridges was chosen for plasma sample purification with and without hydrolysis obtaining good extraction yield values for all the analytes (>90.0%). The enzymatic hydrolysis step was necessary for the determination of the total amount of soy isoflavones. The limit of quantitation was 0.5
ng
mL
−1 for genistein and 0.25
ng
mL
−1 for daidzein and glycitein. The method was found to be precise and accurate. Thus, the proposed method is suitable for the analysis of soy isoflavones (free and total amounts) in plasma of postmenopausal women under treatment with the SoymenGN
® dietary supplement. |
| doi_str_mv | 10.1016/j.jpba.2010.06.001 |
| format | article |
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V. A careful and rapid solid phase extraction procedure on hydrophilic/lipophilic cartridges was chosen for plasma sample purification with and without hydrolysis obtaining good extraction yield values for all the analytes (>90.0%). The enzymatic hydrolysis step was necessary for the determination of the total amount of soy isoflavones. The limit of quantitation was 0.5
ng
mL
−1 for genistein and 0.25
ng
mL
−1 for daidzein and glycitein. The method was found to be precise and accurate. Thus, the proposed method is suitable for the analysis of soy isoflavones (free and total amounts) in plasma of postmenopausal women under treatment with the SoymenGN
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V. A careful and rapid solid phase extraction procedure on hydrophilic/lipophilic cartridges was chosen for plasma sample purification with and without hydrolysis obtaining good extraction yield values for all the analytes (>90.0%). The enzymatic hydrolysis step was necessary for the determination of the total amount of soy isoflavones. The limit of quantitation was 0.5
ng
mL
−1 for genistein and 0.25
ng
mL
−1 for daidzein and glycitein. The method was found to be precise and accurate. Thus, the proposed method is suitable for the analysis of soy isoflavones (free and total amounts) in plasma of postmenopausal women under treatment with the SoymenGN
® dietary supplement.</description><subject>Analysis</subject><subject>Analytical, structural and metabolic biochemistry</subject><subject>Biological and medical sciences</subject><subject>Chromatography, High Pressure Liquid - methods</subject><subject>Coulometric detection</subject><subject>Daidzein</subject><subject>Electrochemistry</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General pharmacology</subject><subject>Genistein</subject><subject>Genistein - blood</subject><subject>Glycitein</subject><subject>Humans</subject><subject>Isoflavones - blood</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Pharmacology. Drug treatments</subject><subject>Postmenopause - blood</subject><subject>Solid Phase Extraction</subject><subject>Soy isoflavones</subject><issn>0731-7085</issn><issn>1873-264X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kUGrEzEQx4Movvr0C3iQXMRT62SzyW7By6OoTyjoQcFbyCYTTclu1p3dPvrtTWnVm6cZht9_GH7D2EsBGwFCvz1sDmNnNxWUAegNgHjEVqJt5LrS9ffHbAWNFOsGWnXDnhEdAECJbf2U3VSg2tJXKxbuBptOFInnwCmfeKQckj3mAfmYLPWWJzxiIr5QHH7w-y_7HX-I80_u8pJyj_MUHfc4o5tjHngc-Jhp7nHIo13IJv5QoOE5exJsInxxrbfs24f3X3f36_3nj592d_u1k62a17rxdd1q7RGCt50SvlXSg4Ou01sPoVMVdBC0hFrooBsMgEI3Sm2bVgWn5C17c9k7TvnXgjSbPpLDlOyAeSHTyLpIkI0sZHUh3ZSJJgxmnGJvp5MRYM56zcGc9ZqzXgPaFL0l9Oq6ful69H8jf3wW4PUVsORsCpMdXKR_nIRtecf5zncXrpjFY8TJkIs4OPRxKiaNz_F_d_wGZXaZpg</recordid><startdate>20101102</startdate><enddate>20101102</enddate><creator>Saracino, M.A.</creator><creator>Raggi, M.A.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20101102</creationdate><title>Analysis of soy isoflavone plasma levels using HPLC with coulometric detection in postmenopausal women</title><author>Saracino, M.A. ; Raggi, M.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-67d44866de0fdab51d853d0c0bb69d0fb520b0f630416f67ef0e167559785fc53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Analysis</topic><topic>Analytical, structural and metabolic biochemistry</topic><topic>Biological and medical sciences</topic><topic>Chromatography, High Pressure Liquid - methods</topic><topic>Coulometric detection</topic><topic>Daidzein</topic><topic>Electrochemistry</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General pharmacology</topic><topic>Genistein</topic><topic>Genistein - blood</topic><topic>Glycitein</topic><topic>Humans</topic><topic>Isoflavones - blood</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Pharmacology. Drug treatments</topic><topic>Postmenopause - blood</topic><topic>Solid Phase Extraction</topic><topic>Soy isoflavones</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Saracino, M.A.</creatorcontrib><creatorcontrib>Raggi, M.A.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of pharmaceutical and biomedical analysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Saracino, M.A.</au><au>Raggi, M.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of soy isoflavone plasma levels using HPLC with coulometric detection in postmenopausal women</atitle><jtitle>Journal of pharmaceutical and biomedical analysis</jtitle><addtitle>J Pharm Biomed Anal</addtitle><date>2010-11-02</date><risdate>2010</risdate><volume>53</volume><issue>3</issue><spage>682</spage><epage>687</epage><pages>682-687</pages><issn>0731-7085</issn><eissn>1873-264X</eissn><coden>JPBADA</coden><abstract>A reliable chromatographic method for the determination of soy isoflavones (genistein, daidzein and glycitein) using a coulometric detection has been developed and applied to analyse plasma of postmenopausal women. The chromatographic separation was performed on a C18 reversed phase column with a mobile phase composed of acetonitrile–phosphate buffer mixture. Coulometric detection was carried out at +0.500
V. A careful and rapid solid phase extraction procedure on hydrophilic/lipophilic cartridges was chosen for plasma sample purification with and without hydrolysis obtaining good extraction yield values for all the analytes (>90.0%). The enzymatic hydrolysis step was necessary for the determination of the total amount of soy isoflavones. The limit of quantitation was 0.5
ng
mL
−1 for genistein and 0.25
ng
mL
−1 for daidzein and glycitein. The method was found to be precise and accurate. Thus, the proposed method is suitable for the analysis of soy isoflavones (free and total amounts) in plasma of postmenopausal women under treatment with the SoymenGN
® dietary supplement.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>20580512</pmid><doi>10.1016/j.jpba.2010.06.001</doi><tpages>6</tpages></addata></record> |
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| ispartof | Journal of pharmaceutical and biomedical analysis, 2010-11, Vol.53 (3), p.682-687 |
| issn | 0731-7085 1873-264X |
| language | eng |
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| source | ScienceDirect Freedom Collection |
| subjects | Analysis Analytical, structural and metabolic biochemistry Biological and medical sciences Chromatography, High Pressure Liquid - methods Coulometric detection Daidzein Electrochemistry Female Fundamental and applied biological sciences. Psychology General pharmacology Genistein Genistein - blood Glycitein Humans Isoflavones - blood Medical sciences Middle Aged Pharmacology. Drug treatments Postmenopause - blood Solid Phase Extraction Soy isoflavones |
| title | Analysis of soy isoflavone plasma levels using HPLC with coulometric detection in postmenopausal women |
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