Whey protein/casein ratio and nonprotein nitrogen in preterm human milk during the first 10 days postpartum

Journal of Pediatric Gastroenterology and Nutrition

Volumn 26, Issue 1, 1998, Pages 64-69

  Sánchez Hidalgo, Víctor Manuel ^a   Flores Huerta, Samuel ^a,b   Matute, Guadalupe ^a   Serrano, Claudia ^a   Urquieta, Bárbara ^a   Espinosa, Rocío ^a  

^a HOSPITAL DE PEDIATRÍA   (Mexico)

^b INSTITUTO MEXICANO DEL SEGURO SOCIAL   (Mexico)

Author keywords

Caseins; Colostrum; Electrophoresis; Milk proteins; Polyacrylamide gel

Indexed keywords

CASEIN; NITROGEN;

ARTICLE; BREAST MILK; COLOSTRUM; DIETARY INTAKE; HUMAN; HUMAN CELL; NITROGEN BALANCE; POLYACRYLAMIDE GEL ELECTROPHORESIS; PREMATURITY; PRIORITY JOURNAL; PROTEIN ISOLATION; PROTEIN METABOLISM; PUERPERIUM; SAMPLING; ULTRACENTRIFUGATION; WHEY;

CASEINS; ELECTROPHORESIS, POLYACRYLAMIDE GEL; FEMALE; GESTATIONAL AGE; HUMANS; INFANT, PREMATURE; MILK PROTEINS; MILK, HUMAN; NITROGEN; TIME FACTORS;

EID: 0344074623     PISSN: 02772116     EISSN: None     Source Type: Journal    
DOI: 10.1097/00005176-199801000-00011     Document Type: Article

References (23)

1. Atkinson SA, Lönnerdal B, eds. Protein and non-protein nitrogen in human milk. Boca Raton, FL: CRC Press, 1989.
2. Hambraeus L, Lönnerdal B, Forsum E, Gebre-Medhin M. Nitrogen and protein components of human milk. Acta Paediatr Scand 1978;67:561-5.
3. Kunz C, Lönnerdal B. Re-evaluation of the whey protein/casein ratio of human milk. Acta Paediatr 1992;81:107-12.
4. Atkinson SA, Bryan MH, Anderson GH. Human milk: Difference in nitrogen concentration in milk from mothers of term and premature infants. J Pediatr 1978;93:67-9.
5. Gross SJ, David RJ, Bauman L, Tomarelli RM. Nutritional composition of milk produced by mothers delivering preterm. J Pediatr 1980;96:641-4.
6. Atkinson SA. Effects of gestational stage at delivery on human milk components. In: Jensen RG, ed. Handbook of milk composition. San Diego, CA: Academic Press, 1995:222-37.
7. American Academy of Pediatrics Committee on Nutrition. Nutritional needs of low-birthweight infants. Pediatrics 1985;75:976-86.
8. Priolisi A, Didato M, Gioeli R, Fazzolari-Nesci A. Räihä NCR. Milk protein quality in low birth weight infants: Effects of protein-fortified human milk and formulas with three different whey-to-casein ratios on growth and plasma amino acid profiles. J Pediatr Gastroenterol Nutr 1992;14:450-5.
9. Schanler RJ. Idoneidad de la leche humana para el lactante con peso bajo al nacer. In: Pereira RG, Georgieff MK, eds. Nutrición neonatal y perinatal. Clinicas de perinatologia. Vol 1. Mexico: Interamericana McGraw-Hill, 1995:197-211.
10. Britton JR. Milk protein quality in mothers delivering prematurely: Implications for infants in the intensive care units nursery setting. J Pediatr Gastroenterol Nutr 1986;5:116-21.
11. Lönnerdal B, Forsum E. Casein content of human milk. Am J Clin Nutr 1985;41:113-20.
12. Kunz C, Lönnerdal B. Human milk proteins: Separation of whey proteins and their analysis by polyacrylamide gel electrophoresis, fast protein liquid chromatography (FPLC) gel filtration, and anion-exchange chromatography. Am J Clin Nutr 1989;9:464-70.
13. Kunz C, Lönnerdal B. Human milk proteins: Analysis of casein and casein subunits by anion-exchange chromatography, gel electrophoresis, and specific staining methods. Am J Clin Nutr 1990;51:37-46.
14. Lönnerdal B, Smith C, Keen C. Analysis of breast milk: Current methodologies and future needs. J Pediatr Gastroenterol Nutr 1984;3:290-5.
15. Hambraeus L, Forsum E, Abrahamsson L, Lönnerdal B. Automatic total nitrogen analysis in nutritional evaluation using a block digestor. Anal Biochem 1976;72:78-85.
16. Laemmli UK. Cleavage of structural proteins during the assembly of the head of bacteriophage T4. Nature 1970;227:680-5.
17. Fairbanks G, Steck TL, Wallach DFH. Electrophoretic analysis of the major polypeptides of the human erythrocyte membrane. Biochemistry 1971;10:2606-17.
18. Schanler RJ, Oh W. Composition of breast milk obtained from mothers of premature infants as compared to breast milk obtained from donors. J Pediatr 1980;96:679-81.
19. Groves ML. Preparation of some iron-binding proteins and α-lactalbumin from bovine milk. Biochim Biophys Acta 1965;100:154-7.
20. Montgomery PA, Patton S, Huston GE, Josephson RV. Gel electrophoretic analysis of proteins in human milk and colostrum. Comp Biochem Physiol 1987;86:635-9.
21. Teschemacher H. β-Casomorphins: Do they have physiological significance? In: Goldman AS, Atkinson SA, Hanson LA, eds. Human lactation. The effects of human milk on the recipient infant. Vol. 3. New York: Plenum Press, 1987:213-25.
22. Stromqvist M, Falk P, Bergstrom S, Hansson L, et al. Human milk κ-casein and inhibition of Helicobacter pylori adhesion to human gastric mucosa. J Pediatr Gastroenterol Nutr 1995;21:288-96.
23. Kunz C. Lönnerdal B. Casein micelles and casein subunits in human milk. In: Atkinson SA, Lönnerdal B, eds. Protein and nonprotein nitrogen in human milk. Boca Raton, FL: CRC Press, 1989: 9-27.