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Sökning: onr:"swepub:oai:DiVA.org:umu-16396" > Iron, zinc, and cop...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03109naa a2200325 4500 | |
| 001 | oai:DiVA.org:umu-16396 | |
| 003 | SwePub | |
| 008 | 080109s2004 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-163962 URI |
| 040 | a (SwePub)umu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Domellöf, Magnusu Umeå universitet,Pediatrik4 aut0 (Swepub:umu)mado0002 |
| 245 | 1 0 | a Iron, zinc, and copper concentrations in breast milk are independent of maternal mineral status. |
| 264 | 1 | c 2004 |
| 338 | a print2 rdacarrier | |
| 520 | a BACKGROUND: Little is known about the regulation of iron, zinc, and copper in breast milk and the transport of these minerals across the mammary gland epithelium. OBJECTIVE: The objective was to study associations between breast-milk concentrations of iron, zinc, and copper and maternal mineral status. DESIGN: Milk samples from 191 Swedish and Honduran mothers were collected at 9 mo postpartum. Iron, zinc, and copper concentrations were measured by atomic absorption spectrometry. Blood samples from mothers were analyzed for plasma zinc and copper and 4 indexes of iron status: hemoglobin, plasma ferritin, soluble transferrin receptors, and zinc protoporphyrin. Complementary food energy (CFE) intake was used as an inverse proxy for breast-milk intake. RESULTS: Mean (+/-SD) breast-milk concentrations of iron were lower in the Honduran than in the Swedish mothers (0.21 +/- 0.25 compared with 0.29 +/- 0.21 mg/L; P < 0.001), and mean breast-milk concentrations of zinc and copper were higher in the Honduran than in the Swedish mothers [0.70 +/- 0.18 compared with 0.46 +/- 0.26 mg/L (P < 0.001) and 0.16 +/- 0.21 compared with 0.12 +/- 0.22 mg/L (P = 0.001), respectively]. Milk iron was positively correlated with CFE intake (r = 0.24, P = 0.001) but was not significantly correlated with any iron-status variable. Milk zinc was negatively correlated with CFE intake (r = -0.24, P = 0.001) but was not significantly correlated with maternal plasma zinc. Milk copper was not significantly correlated with CFE intake or maternal plasma copper. CONCLUSIONS: Milk iron, zinc, and copper concentrations at 9 mo postpartum are not associated with maternal mineral status, which suggests active transport mechanisms in the mammary gland for all 3 minerals. Milk iron concentrations increase and milk zinc concentrations decrease during weaning [corrected] | |
| 653 | a Iron | |
| 653 | a zink | |
| 653 | a breast milk | |
| 700 | 1 | a Lönnerdal, Bo4 aut |
| 700 | 1 | a Dewey, Kathryn G4 aut |
| 700 | 1 | a Cohen, Roberta J4 aut |
| 700 | 1 | a Hernell, Olleu Umeå universitet,Pediatrik4 aut0 (Swepub:umu)olhe0002 |
| 710 | 2 | a Umeå universitetb Pediatrik4 org |
| 773 | 0 | t The American journal of clinical nutritiong 79:1, s. 111-5q 79:1<111-5x 0002-9165 |
| 856 | 4 | u http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Retrieve&list_uids=14684406&dopt=Citation |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-16396 |
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