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Titolo:
Effect of timing of introduction of complementary foods on iron and zinc status of formula fed infants at 21, 24, and 36 months of age
Autore:
Kattelmann, KK; Ho, M; Specker, BL;
Indirizzi:
S Dakota State Univ, Hospital Dept, Brookings, SD 57007 USA S Dakota StateUniv Brookings SD USA 57007 Dept, Brookings, SD 57007 USA Univ Cincinnati, Inst Hlth Policy, Cincinnati, OH 45221 USA Univ Cincinnati Cincinnati OH USA 45221 Policy, Cincinnati, OH 45221 USA Univ Cincinnati, Hlth Serv Res, Cincinnati, OH 45221 USA Univ Cincinnati Cincinnati OH USA 45221 erv Res, Cincinnati, OH 45221 USA S Dakota State Univ, Ethes Austin Martin Program HumanNutr, Brookings, SD 57007 USA S Dakota State Univ Brookings SD USA 57007 nNutr, Brookings, SD 57007 USA
Titolo Testata:
JOURNAL OF THE AMERICAN DIETETIC ASSOCIATION
fascicolo: 4, volume: 101, anno: 2001,
pagine: 443 - 447
SICI:
0002-8223(200104)101:4<443:EOTOIO>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
BREAST-FED INFANTS; HUMAN-MILK; COW MILK; GROWTH; CEREAL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Clinical Medicine
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Kattelmann, KK S Dakota State Univ, Hospital Dept, Box 2275A, Brookings, SD 57007 USA S Dakota State Univ Box 2275A Brookings SD USA 57007 07 USA
Citazione:
K.K. Kattelmann et al., "Effect of timing of introduction of complementary foods on iron and zinc status of formula fed infants at 21, 24, and 36 months of age", J AM DIET A, 101(4), 2001, pp. 443-447

Abstract

Objective The timing of introduction of complementary food to an infant's diet is variable throughout the world. Our objective was to determine whether early introduction of complementary foods affects iron and zinc status of formulated infants at 12, 24, and 36 months of age. Design A randomized, prospective trial was conducted. Infants were randomly assigned to receive either a) early introduction (at 3 to 4 months of age) of commercially prepared or parent's choice of complementary foods; or b)late introduction (at 6 months of age) of commercially prepared complementary foods or parent's choice of complementary foods. In addition to complementary foods, infants were fed commercial infant formula as recommended by their pediatrician. Hemoglobin, mean corpuscular volume, and serum ferritinand zinc concentrations were determined at 12, 24, and 36 months of age. Three-day diet diaries were completed at 3, 6, 12, 18, 24, 30, and 36 monthsof age. Subjects/setting One hundred seventy-five infants younger than 3 months were recruited by mailings to parents in the Cincinnati area. Of these, 172 were enrolled, 90 in the early-introduction group and 82 in the late-introduction group. One hundred thirty-three infants (n=67 in the early, n=66 in the late group) completed the study,Statistical analyses performed Student t test and regression analyses wereused to determine whether there were group differences and whether there was a relationship between serum parameters and dietary intake. Results Infants fed complementary foods early had significantly greater iron intakes until 6 months of age; however, there were no differences in theiron status parameters (ferritin, hemoglobin, and mean corpuscular volume)at 12, 24, or 36 months of age. The early introduction group consumed slightly less zinc than the late introduction group at 5 months (4.4 vs 4.8 mg/day, P < .01) and 6 months (4.4 vs 4.7 mg/day, P < .01). At all other timesthere were no differences between the early and late group in zinc intakes. The serum zinc concentration was not associated with dietary zinc. Both groups had normal serum zinc concentrations at 12, 24, and 36 months and there were no differences between groups. Applications/conclusions The iron and zinc status of infants in this studywas not influenced by the timing or type of complementary foods introduced. However, the infants were formula fed and the mean iron and zinc intakes that were equal or greater than the Recommended Dietary Allowances for the first 6 months of age.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/09/20 alle ore 02:54:10