Catherine M Nelli

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ABSTRACT: Measurements of dietary zinc and copper absorption obtained after administration of a single dose of the extrinsic stable isotopic tags 70Zn and 65Cu were compared to measurements made with standard chemical balance methods in 41 appropriate for gestational age premature infants [body wt 1267 ± 258 g, gestational age 29.8 ± 1.9 wk (mean ± SD), 4(More)
Measurements of dietary selenium absorption and retention were obtained after administration of a single dose of the extrinsic stable isotope tag 74Se in 20 appropriate for gestational age premature infants with birth weights between 720 and 1,630 g and gestational ages between 26 and 33 weeks. Infants were assigned randomly to receive a standard premature(More)
The total lipid content and fatty acid composition of preterm human colostrum and milk were analyzed from aliquots of 24-h collections of colostrum, transitional milk, and mature milk obtained from 21 women who had delivered premature infants with a mean birth weight of 1,049 +/- 38 g (mean +/- SEM) and a mean gestational age of 29 +/- 0.4 weeks. The total(More)
This report compares fat, nitrogen, calcium, phosphorus, zinc, and copper absorption and retention data from 13 nutritional balance studies performed in 12 appropriate-for-gestational-age premature infants with birth weights less than or equal to 1,600 g fed a proprietary premature formula or their own mother's preterm human milk (PTHM) fortified with a(More)
Dietary zinc bioavailability was evaluated with the extrinsic tag approach of stable isotope enrichment technology in growing premature infants. The fractional absorption of one dose of 70Zn was determined on 16 occasions in 13 premature infants (birth weight 1135 +/- 40 g, gestational age 29.5 +/- 0.4 wk, mean +/- SE) and was found to be 64.9 +/- 2.7%. The(More)
Measurements of iron absorption and incorporation into RBCs were obtained with the stable isotope 58Fe, administered as a reference dose, in 11 premature infants with birth weights between 780 and 1,520 g and gestational ages between 24 and 33 weeks. Each study included a timed stool and urine collection, nasogastric tube administration of a single dose of(More)
ABSTRACT: Absorption of dietary calcium was evaluated with the extrinsic tag approach and stable isotope methodology in growing premature infants. Fractional absorption of a bolus dose of 46Ca was determined on 16 occasions in 13 premature infants (birth weight 1135 ± 40 g, gestational age 29.5 ± 0.4 wk, mean ± SE) and was found to be 84.4 ± 2.2%.(More)
The dietary bioavailability of Ca was determined on 12 occasions in 10 AGA premature infants (GA 29.9±0.3 wks, BW 1198±28 gm mean ± SEM) with stable isotope techniques. A tracer dose of 46Ca that provided a 5 to 7-fold enrichment of dietary 46Ca was given during one scheduled intermittent gavage feeding for each determination. Five studies were performed in(More)
The ability of mother's own PTHM fortified with a protein-mineral supplement (Mead Johnson) to approximate in utero requirements of fat, nitrogen (N2), calcium (Ca), phosphorus (P), and zinc (Zn) was assessed and compared to a premature formula (Mead Johnson) in 5 VLBW infants (BW 948±67 gm, GA 27.8±0.9 wks, mean ± SEM). Urine and stool were collected(More)
The Ca, P, Zn, and Cu content of PTHM was determined on cross-sectional and longitudinal samples of PTHM collected on days 1-2, 4±1, 7±1, 14±2, 28±2, 42±2, 56±2, and 70±2 of lactation from 74 women who delivered at or before 34 wks of gestation. Ca, Zn, and Cu were analyzed by atomic absorption spectroscopy. P was analyzed by the spectrophotometric method(More)