Determination of Selenium in Human Milk by Hydride Cold-Trapping Atomic Absorption Spectrometry and Calculation of Daily Selenium Intake
A technique of hydride cold-trapping atomic absorption spectrometry following microwave digestion was developed and optimized for the determination of selenium in human milk. The method was validated by the analysis of two standard reference materials (CRM milk powder). The detection limit was 0.5 n...
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| Veröffentlicht in: | Journal of agricultural and food chemistry 1999-08, Vol.47 (8), p.3265-3268 |
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| creator | Li, Fangshi Rossipal, Erich Irgolic, Kurt J |
| description | A technique of hydride cold-trapping atomic absorption spectrometry following microwave digestion was developed and optimized for the determination of selenium in human milk. The method was validated by the analysis of two standard reference materials (CRM milk powder). The detection limit was 0.5 ng mL-1. The method was then used to analyze 78 milk samples from 38 Austrian mothers throughout their first 10 months of lactation. The mean concentration of selenium in the mother's milk decreased with the days postpartum from 23.9 ± 12.0 μg L-1 in colostrum to a plateau of 11.4 ± 3.0 μg L-1 in mature milk. On the basis of the milk selenium concentrations, the selenium intakes of the fully breast-fed infants and the lactating mothers were calculated. The selenium intake of the infants during their first 3 months of life was >8.2 μg day-1. The selenium intake of the lactating mothers was 48 μg day-1. Compared to the recommended dietary allowance, the fully breast-fed infants received sufficient selenium but the lactating mothers obtained less than the recommended. Keywords: Selenium; human milk; daily intake; mothers; infants; Austria; microwave digestion; hydride generation atomic absorption spectrometry |
| doi_str_mv | 10.1021/jf990268d |
| format | Article |
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The method was validated by the analysis of two standard reference materials (CRM milk powder). The detection limit was 0.5 ng mL-1. The method was then used to analyze 78 milk samples from 38 Austrian mothers throughout their first 10 months of lactation. The mean concentration of selenium in the mother's milk decreased with the days postpartum from 23.9 ± 12.0 μg L-1 in colostrum to a plateau of 11.4 ± 3.0 μg L-1 in mature milk. On the basis of the milk selenium concentrations, the selenium intakes of the fully breast-fed infants and the lactating mothers were calculated. The selenium intake of the infants during their first 3 months of life was >8.2 μg day-1. The selenium intake of the lactating mothers was 48 μg day-1. Compared to the recommended dietary allowance, the fully breast-fed infants received sufficient selenium but the lactating mothers obtained less than the recommended. Keywords: Selenium; human milk; daily intake; mothers; infants; Austria; microwave digestion; hydride generation atomic absorption spectrometry</description><identifier>ISSN: 0021-8561</identifier><identifier>EISSN: 1520-5118</identifier><identifier>DOI: 10.1021/jf990268d</identifier><identifier>PMID: 10552642</identifier><identifier>CODEN: JAFCAU</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>analytical methods ; atomic absorption spectrometry ; Austria ; Biological and medical sciences ; Breast Feeding ; breast milk ; determination ; Diet ; Feeding. Feeding behavior ; Female ; Fundamental and applied biological sciences. Psychology ; Humans ; Infant ; Infant, Newborn ; infants ; lactating women ; Lactation ; lactation stage ; maternal nutrition ; microwave digestion ; Milk, Human - chemistry ; Mother. Fetoplacental unit. Mammary gland. Milk ; nutrient intake ; nutritional status ; Postpartum Period ; Pregnancy. Parturition. Lactation ; selenium ; Selenium - analysis ; Spectrophotometry, Atomic - methods ; Vertebrates: anatomy and physiology, studies on body, several organs or systems ; Vertebrates: reproduction</subject><ispartof>Journal of agricultural and food chemistry, 1999-08, Vol.47 (8), p.3265-3268</ispartof><rights>Copyright © 1999 American Chemical Society</rights><rights>2000 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a402t-3dd84e51a4c2b5ad0f75cc322737b1e5219cb9eaffbae224a4124ec5ecfa8be63</citedby><cites>FETCH-LOGICAL-a402t-3dd84e51a4c2b5ad0f75cc322737b1e5219cb9eaffbae224a4124ec5ecfa8be63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/jf990268d$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/jf990268d$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1232144$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10552642$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Fangshi</creatorcontrib><creatorcontrib>Rossipal, Erich</creatorcontrib><creatorcontrib>Irgolic, Kurt J</creatorcontrib><title>Determination of Selenium in Human Milk by Hydride Cold-Trapping Atomic Absorption Spectrometry and Calculation of Daily Selenium Intake</title><title>Journal of agricultural and food chemistry</title><addtitle>J. Agric. Food Chem</addtitle><description>A technique of hydride cold-trapping atomic absorption spectrometry following microwave digestion was developed and optimized for the determination of selenium in human milk. The method was validated by the analysis of two standard reference materials (CRM milk powder). The detection limit was 0.5 ng mL-1. The method was then used to analyze 78 milk samples from 38 Austrian mothers throughout their first 10 months of lactation. The mean concentration of selenium in the mother's milk decreased with the days postpartum from 23.9 ± 12.0 μg L-1 in colostrum to a plateau of 11.4 ± 3.0 μg L-1 in mature milk. On the basis of the milk selenium concentrations, the selenium intakes of the fully breast-fed infants and the lactating mothers were calculated. The selenium intake of the infants during their first 3 months of life was >8.2 μg day-1. The selenium intake of the lactating mothers was 48 μg day-1. Compared to the recommended dietary allowance, the fully breast-fed infants received sufficient selenium but the lactating mothers obtained less than the recommended. Keywords: Selenium; human milk; daily intake; mothers; infants; Austria; microwave digestion; hydride generation atomic absorption spectrometry</description><subject>analytical methods</subject><subject>atomic absorption spectrometry</subject><subject>Austria</subject><subject>Biological and medical sciences</subject><subject>Breast Feeding</subject><subject>breast milk</subject><subject>determination</subject><subject>Diet</subject><subject>Feeding. Feeding behavior</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Infant</subject><subject>Infant, Newborn</subject><subject>infants</subject><subject>lactating women</subject><subject>Lactation</subject><subject>lactation stage</subject><subject>maternal nutrition</subject><subject>microwave digestion</subject><subject>Milk, Human - chemistry</subject><subject>Mother. Fetoplacental unit. Mammary gland. Milk</subject><subject>nutrient intake</subject><subject>nutritional status</subject><subject>Postpartum Period</subject><subject>Pregnancy. Parturition. Lactation</subject><subject>selenium</subject><subject>Selenium - analysis</subject><subject>Spectrophotometry, Atomic - methods</subject><subject>Vertebrates: anatomy and physiology, studies on body, several organs or systems</subject><subject>Vertebrates: reproduction</subject><issn>0021-8561</issn><issn>1520-5118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpt0E2P0zAQBuAIgdiycOAPgA-AxCFgO3Y-jlXLbheVD6ndszVxJiu3iZ21E4n8A342WVJ1OXCawzx6R_NG0WtGPzHK2edDXRSUp3n1JFowyWksGcufRgs6LeNcpuwiehHCgVKay4w-jy4YlZKngi-i32vs0bfGQm-cJa4mO2zQmqElxpLN0IIl30xzJOVINmPlTYVk5Zoq3nvoOmPvyLJ3rdFkWQbnu78huw51712LvR8J2IqsoNFDc76wBtOMj3dubA9HfBk9q6EJ-Oo0L6Pbqy_71Sbe_ri-WS23MQjK-zipqlygZCA0LyVUtM6k1gnnWZKVDCVnhS4LhLouATkXIBgXqCXqGvIS0-Qy-jDndt7dDxh61ZqgsWnAohuCSoupyEzKCX6cofYuBI-16rxpwY-KUfVQuzrXPtk3p9ChbLH6R849T-DdCUDQ0NQerDbh0fGEMyEmFs_MhB5_ndfgjyqdHpRq_3OnvvKt-L6m1-pq8m9nX4NTcOenyNsdpyyhvBC5kA_vvp8F6KAObvB2Kvc_H_wBTjSwgg</recordid><startdate>19990801</startdate><enddate>19990801</enddate><creator>Li, Fangshi</creator><creator>Rossipal, Erich</creator><creator>Irgolic, Kurt J</creator><general>American Chemical Society</general><scope>FBQ</scope><scope>BSCLL</scope><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>19990801</creationdate><title>Determination of Selenium in Human Milk by Hydride Cold-Trapping Atomic Absorption Spectrometry and Calculation of Daily Selenium Intake</title><author>Li, Fangshi ; Rossipal, Erich ; Irgolic, Kurt J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a402t-3dd84e51a4c2b5ad0f75cc322737b1e5219cb9eaffbae224a4124ec5ecfa8be63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>analytical methods</topic><topic>atomic absorption spectrometry</topic><topic>Austria</topic><topic>Biological and medical sciences</topic><topic>Breast Feeding</topic><topic>breast milk</topic><topic>determination</topic><topic>Diet</topic><topic>Feeding. Feeding behavior</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Infant</topic><topic>Infant, Newborn</topic><topic>infants</topic><topic>lactating women</topic><topic>Lactation</topic><topic>lactation stage</topic><topic>maternal nutrition</topic><topic>microwave digestion</topic><topic>Milk, Human - chemistry</topic><topic>Mother. Fetoplacental unit. Mammary gland. Milk</topic><topic>nutrient intake</topic><topic>nutritional status</topic><topic>Postpartum Period</topic><topic>Pregnancy. Parturition. Lactation</topic><topic>selenium</topic><topic>Selenium - analysis</topic><topic>Spectrophotometry, Atomic - methods</topic><topic>Vertebrates: anatomy and physiology, studies on body, several organs or systems</topic><topic>Vertebrates: reproduction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Fangshi</creatorcontrib><creatorcontrib>Rossipal, Erich</creatorcontrib><creatorcontrib>Irgolic, Kurt J</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><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 agricultural and food chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Fangshi</au><au>Rossipal, Erich</au><au>Irgolic, Kurt J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Determination of Selenium in Human Milk by Hydride Cold-Trapping Atomic Absorption Spectrometry and Calculation of Daily Selenium Intake</atitle><jtitle>Journal of agricultural and food chemistry</jtitle><addtitle>J. Agric. Food Chem</addtitle><date>1999-08-01</date><risdate>1999</risdate><volume>47</volume><issue>8</issue><spage>3265</spage><epage>3268</epage><pages>3265-3268</pages><issn>0021-8561</issn><eissn>1520-5118</eissn><coden>JAFCAU</coden><abstract>A technique of hydride cold-trapping atomic absorption spectrometry following microwave digestion was developed and optimized for the determination of selenium in human milk. The method was validated by the analysis of two standard reference materials (CRM milk powder). The detection limit was 0.5 ng mL-1. The method was then used to analyze 78 milk samples from 38 Austrian mothers throughout their first 10 months of lactation. The mean concentration of selenium in the mother's milk decreased with the days postpartum from 23.9 ± 12.0 μg L-1 in colostrum to a plateau of 11.4 ± 3.0 μg L-1 in mature milk. On the basis of the milk selenium concentrations, the selenium intakes of the fully breast-fed infants and the lactating mothers were calculated. The selenium intake of the infants during their first 3 months of life was >8.2 μg day-1. The selenium intake of the lactating mothers was 48 μg day-1. Compared to the recommended dietary allowance, the fully breast-fed infants received sufficient selenium but the lactating mothers obtained less than the recommended. Keywords: Selenium; human milk; daily intake; mothers; infants; Austria; microwave digestion; hydride generation atomic absorption spectrometry</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>10552642</pmid><doi>10.1021/jf990268d</doi><tpages>4</tpages></addata></record> |
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| subjects | analytical methods atomic absorption spectrometry Austria Biological and medical sciences Breast Feeding breast milk determination Diet Feeding. Feeding behavior Female Fundamental and applied biological sciences. Psychology Humans Infant Infant, Newborn infants lactating women Lactation lactation stage maternal nutrition microwave digestion Milk, Human - chemistry Mother. Fetoplacental unit. Mammary gland. Milk nutrient intake nutritional status Postpartum Period Pregnancy. Parturition. Lactation selenium Selenium - analysis Spectrophotometry, Atomic - methods Vertebrates: anatomy and physiology, studies on body, several organs or systems Vertebrates: reproduction |
| title | Determination of Selenium in Human Milk by Hydride Cold-Trapping Atomic Absorption Spectrometry and Calculation of Daily Selenium Intake |
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