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Elemental Analysis of Dried Milks Used in Infant Feeding
Author(s) -
BLOOM H.,
LEWIS I. C.,
NOLLER B. N.
Publication year - 1978
Publication title -
journal of paediatrics and child health
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.631
H-Index - 76
eISSN - 1440-1754
pISSN - 1034-4810
DOI - 10.1111/j.1440-1754.1978.tb02995.x
Subject(s) - kjeldahl method , medicine , infant formula , dilution , atomic absorption spectroscopy , food science , breast milk , evaporated milk , environmental chemistry , composition (language) , nitrogen , chromatography , zoology , milk products , biochemistry , pediatrics , chemistry , biology , physics , organic chemistry , quantum mechanics , thermodynamics , linguistics , philosophy
Dried milks available for infant feeding in Hobart, Tasmania, were analysed by flame emission and atomic absorption spectrometry for the major elements Na, K, Ca, and Mg as well as the trace elements Fe, Cu, Zn, Ni, Cr, Sn, Cd and Pb. Protein was determined by analysis for nitrogen by the Kjeldahl method. Results are expressed in terms of weight of powder and normal dilution in water as used for infant feeding. Several of the milks varied in composition from the manufacturers' specifications. Although toxic trace elements were present in the dried milks, their concentrations were well within normally acceptable limits of safety. Results for random samples of cow's and human breast milk are given for comparison.