Table 1.
Gestational Age | Birth Wt | Age at Study | Weight at Study | Protein* | Phenylalanine* | Methionine* | |
---|---|---|---|---|---|---|---|
(wks) | (gm) | (h) | (gm) | (g.kg.d) | (µmol.kg−1.h−1) | (µmol.kg−1h−1) | |
Full term | 39.1 ± 1.5 | 3315 ± 503 | 39 ± 10 | 3277 ± 516 | 2.4 ± 0.1 | 21.6 ± 0.6 | 14 ± 0.4 |
(n=18) | |||||||
Preterm | 28.6 ± 1.7 | 1230 ± 248 | 73 ± 14 | 1155 ± 248 | 3.1 ± 0.5 | 30 ± 5 | 24 ± 0.4 |
(n=9) |
Data are mean ± SD
Full term infants were fed commercial formula (SimilacR) while preterm infants were receiving parenteral nutrition (TrophamineR) with added cysteine (40 mg/g protein or 42 ± 7 μmole.kg−1.h−1) and intralipid.