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Iron absorption in infants: high bioavailability of breast milk iron as indicated by the extrinsic tag method of iron absorption and by the concentration of serum ferritin.
J Pediatr. 1977 Jul; 91(1):36-9.JPed

Abstract

Breast feeding is thought to result in a lower incidence of iron deficiency than does the use of unfortified cow milk forumalas, but there is scant documentation for this belief. The relationship of breast and cow milk feeding to absorption of iron and to iron status was investigated in a total of 45 term infants at about six months of age. Iron absorption was measured by total body counting. Laboratory assessment of iron status was based on the serum ferritin, hemoglobin, mean corpuscular volume, and transferrin saturation. The results indicated that infants fed breast milk during the entire first six to seven months of life attained greater iron stores than did those fed a cow milk formula. Breast-fed infants absorbed an average of 49% of a trace dose of extrinsic iron administered during a breast feeding in contrast to about 10% reported to be absorbed from cow milk under similar conditions. The data indicate that term infants who are breast fed may not require routine administration of supplemental iron.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

577504

Citation

Saarinen, U M., et al. "Iron Absorption in Infants: High Bioavailability of Breast Milk Iron as Indicated By the Extrinsic Tag Method of Iron Absorption and By the Concentration of Serum Ferritin." The Journal of Pediatrics, vol. 91, no. 1, 1977, pp. 36-9.
Saarinen UM, Siimes MA, Dallman PR. Iron absorption in infants: high bioavailability of breast milk iron as indicated by the extrinsic tag method of iron absorption and by the concentration of serum ferritin. J Pediatr. 1977;91(1):36-9.
Saarinen, U. M., Siimes, M. A., & Dallman, P. R. (1977). Iron absorption in infants: high bioavailability of breast milk iron as indicated by the extrinsic tag method of iron absorption and by the concentration of serum ferritin. The Journal of Pediatrics, 91(1), 36-9.
Saarinen UM, Siimes MA, Dallman PR. Iron Absorption in Infants: High Bioavailability of Breast Milk Iron as Indicated By the Extrinsic Tag Method of Iron Absorption and By the Concentration of Serum Ferritin. J Pediatr. 1977;91(1):36-9. PubMed PMID: 577504.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Iron absorption in infants: high bioavailability of breast milk iron as indicated by the extrinsic tag method of iron absorption and by the concentration of serum ferritin. AU - Saarinen,U M, AU - Siimes,M A, AU - Dallman,P R, PY - 1977/7/1/pubmed PY - 1977/7/1/medline PY - 1977/7/1/entrez SP - 36 EP - 9 JF - The Journal of pediatrics JO - J Pediatr VL - 91 IS - 1 N2 - Breast feeding is thought to result in a lower incidence of iron deficiency than does the use of unfortified cow milk forumalas, but there is scant documentation for this belief. The relationship of breast and cow milk feeding to absorption of iron and to iron status was investigated in a total of 45 term infants at about six months of age. Iron absorption was measured by total body counting. Laboratory assessment of iron status was based on the serum ferritin, hemoglobin, mean corpuscular volume, and transferrin saturation. The results indicated that infants fed breast milk during the entire first six to seven months of life attained greater iron stores than did those fed a cow milk formula. Breast-fed infants absorbed an average of 49% of a trace dose of extrinsic iron administered during a breast feeding in contrast to about 10% reported to be absorbed from cow milk under similar conditions. The data indicate that term infants who are breast fed may not require routine administration of supplemental iron. SN - 0022-3476 UR - https://www.unboundmedicine.com/medline/citation/577504/Iron_absorption_in_infants:_high_bioavailability_of_breast_milk_iron_as_indicated_by_the_extrinsic_tag_method_of_iron_absorption_and_by_the_concentration_of_serum_ferritin_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0022-3476(77)80439-3 DB - PRIME DP - Unbound Medicine ER -