Roberts S B, Lucas A
Early Hum Dev. 1985 Dec;12(3):301-7. doi: 10.1016/0378-3782(85)90152-5.
A comparison has been made of protein accretion and growth in premature infants fed banked drip breast milk (BBM) or a preterm formula (PF). Protein accretion was calculated from the difference between dietary nitrogen intake and output in urine and stools, measured in a nutrient balance study. As expected, only the infants fed PF achieved the intrauterine growth rate. However, whilst weight gain in infants fed BBM was 71% of that in the group fed PF, the rate of protein deposition was less than 50%. As a result, the protein concentration in new tissue of infants fed BBM averaged 32% less than in those fed PF and 21% less than the lower end of the range reported to occur in utero. We speculate that infants fed BBM have an abnormally low protein concentration in their lean body mass.
对食用储存滴注母乳（BBM）或早产儿配方奶粉（PF）的早产儿的蛋白质积累和生长情况进行了比较。蛋白质积累是根据营养平衡研究中测量的饮食氮摄入量与尿液和粪便中氮排出量之间的差异计算得出的。正如预期的那样，只有食用PF的婴儿达到了子宫内生长速度。然而，虽然食用BBM的婴儿体重增加是食用PF组的71%，但蛋白质沉积率却不到50%。结果，食用BBM的婴儿新组织中的蛋白质浓度平均比食用PF的婴儿低32%，比据报道在子宫内出现的范围下限低21%。我们推测，食用BBM的婴儿瘦体重中的蛋白质浓度异常低。
