| Fatty acid composition in the mature milk of Bolivian forager-horticulturalists: controlled comparisons with a US sample. | |
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MedLine Citation:
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PMID: 22624983 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Breast milk fatty acid (FA) composition varies greatly among individual women, including in percentages of the long-chain polyunsaturated FAs (LCPUFA) 20:4n-6 (arachidonic acid, AA) and 22:6n-3 (docosahexaenoic acid, DHA), which are important for infant neurological development. It has been suggested that owing to wide variation in milk LCPUFA and low DHA in Western diets, standards of milk FA composition should be derived from populations consuming traditional diets. We collected breast milk samples from Tsimane women at varying lactational stages (6-82 weeks). The Tsimane are an indigenous, natural fertility, subsistence-level population living in Amazonia Bolivia. Tsimane samples were matched by lactational stage to samples from a US milk bank, and analysed concurrently for FA composition by gas-liquid chromatography. We compared milk FA composition between Tsimane (n = 35) and US (n = 35) mothers, focusing on differences in LCPUFA percentages that may be due to population-typical dietary patterns. Per total FAs, the percentages of AA, DHA, total n-3 and total n-6 LCPUFA were significantly higher among Tsimane mothers. Mean percentages of 18:2n-6 (linoleic acid) and trans FAs were significantly higher among US mothers. Tsimane mothers' higher milk n-3 and n-6 LCPUFA percentages may be due to their regular consumption of wild game and freshwater fish, as well as comparatively lower intakes of processed foods and oils that may interfere with LCPUFA synthesis. |
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Authors:
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Melanie A Martin; William D Lassek; Steven J C Gaulin; Rhobert W Evans; Jessica G Woo; Sheela R Geraghty; Barbara S Davidson; Ardythe L Morrow; Hillard S Kaplan; Michael D Gurven |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S. Date: 2012-05-24 |
Journal Detail:
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Title: Maternal & child nutrition Volume: 8 ISSN: 1740-8709 ISO Abbreviation: Matern Child Nutr Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2012-06-07 Completed Date: 2012-08-06 Revised Date: 2013-01-18 |
Medline Journal Info:
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Nlm Unique ID: 101201025 Medline TA: Matern Child Nutr Country: England |
Other Details:
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Languages: eng Pagination: 404-18 Citation Subset: IM |
Copyright Information:
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© 2012 Blackwell Publishing Ltd. |
Affiliation:
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Integrative Anthropological Sciences, University of California Santa Barbara, Santa Barbara, California 93106-3210, USA. melaniemartin@umail.ucsb.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Bolivia Fatty Acids / analysis* Fatty Acids, Essential / analysis Fatty Acids, Unsaturated / analysis Female Humans Lactation / metabolism*, physiology Maternal Nutritional Physiological Phenomena / physiology* Middle Aged Milk, Human / chemistry* Nutritional Status* United States Young Adult |
| Grant Support | |
ID/Acronym/Agency:
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IH/NICHD HD13021//PHS HHS; R01AG023119-01/AG/NIA NIH HHS; UL1 TR000077/TR/NCATS NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Fatty Acids; 0/Fatty Acids, Essential; 0/Fatty Acids, Unsaturated |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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