| Amino acid composition of human milk is not unique. | |
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MedLine Citation:
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PMID: 8027865 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To determine whether the amino acid pattern of human milk is unique, we compared the amino acid pattern of human milk with the amino acid patterns of the milks of great apes (chimpanzee and gorilla), lower primates (baboon and rhesus monkey) and nonprimates (cow, goat, sheep, llama, pig, horse, elephant, cat and rat). Amino acid pattern was defined as the relative proportion of each amino acid (protein-bound plus free) (in mg) to the total amino acids (in g). Total amino acid concentration was lower in primate milk than in nonprimate milk. There were commonalities in the overall amino acid pattern of the milks of all species sampled; the most abundant amino acids were glutamate (plus glutamine, 20%), proline (10%) and leucine (10%). Essential amino acids were 40%, branched-chain amino acids 20%, and sulfur amino acids 4% of the total amino acids. The amino acid pattern of human milk was more similar to those of great apes than to those of lower primates. For example, cystine was higher and methionine was lower in primate milks than in nonprimate milks, and in great ape and human milks than in lower primate milks. Because the milk amino acid patterns of the human and elephant, both slow-growing species, were dissimilar, the amino acid pattern of human milk seems unrelated to growth rate. |
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Authors:
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T A Davis; H V Nguyen; R Garcia-Bravo; M L Fiorotto; E M Jackson; D S Lewis; D R Lee; P J Reeds |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: The Journal of nutrition Volume: 124 ISSN: 0022-3166 ISO Abbreviation: J. Nutr. Publication Date: 1994 Jul |
Date Detail:
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Created Date: 1994-08-09 Completed Date: 1994-08-09 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0404243 Medline TA: J Nutr Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1126-32 Citation Subset: IM |
Affiliation:
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Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acids
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analysis* Animals Camelids, New World Cats Cattle Elephants Female Goats Gorilla gorilla Horses Humans Macaca mulatta Milk / chemistry* Milk, Human / chemistry* Pan troglodytes Papio Rats Sheep Species Specificity Swine |
| Grant Support | |
ID/Acronym/Agency:
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HV-53030/HV/NHLBI NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Amino Acids |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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