4JANAS L M, PICCIANO M F. The nucleotide profile of human milk[J]. Pediatr Res, 1982, 16(8): 659-662.
5HARDEN K K, ROBINSON J L. Hypocholesteremia induced by orotic acid: dietary effects and species specificity[J]. J Nutr, 1984, 114(2): 411-421.
6CLIFFORD A J, STOKY D L. Levels of purines in foods and their metabolic effects in rats[J]. J Nuts, 1976, 106(3): 435-442.
7CARLSON S E. Human milk nonprotein nitrogen occurrence and possible functions[J]. Adv Pediatr, 1985, 32: 43-70.
8AXELSSON I, FLODMARK CE, RAIHA N, et al. The influence of dietary ttucleotides on erythrocyte membrane fatty acids and plasma lipids in preterm infants[J]. Acta Paediar, 1992, 86(5): 539-544.
9INOUE K, OBARA R, AKIBA T, et al. Determination of nucleotide in infant formula by ion -exchange liquid chromatography[J]. J Agric Food Chemistry, 2008, 56(16): 6863-6867.
10YERGEY A L. Liquid chromatography/mass spectrometry: techniques and applications[M]. New York: Plenum Press, 1990.
