Abstract：
:The aim of this research was to quantify essential trace elements (iron, copper, zinc and iodine) and establish their speciation in human milk. Both the element and the species are important in new-born nutrition. Colostrum, and transitional and mature milks (25) were collected from 18 mothers of pre-term or full-term infants. Concentrations of the target elements were determined using ICP-MS. For speciation, HPLC coupled to ICP-MS was employed. Total contents of the micronutrients varied in mothers of pre-term (Fe = 0.997, Cu = 0.506, Zn = 4.15 and I = 0.458 mg L-1) and mothers of full-term (Fe = 0.733, Cu = 0.234, Zn = 2.91 and I = 0.255 mg L-1) infants. Fe, Cu and Zn were associated with biomolecules with high molecular mass compounds, such as immunoglobulins, albumin and lactoferrin whilst iodine was only found as iodide.
journal_name
Food Chemjournal_title
Food chemistryauthors
Trinta VO,Padilha PC,Petronilho S,Santelli RE,Braz BF,Freire AS,Saunders C,Rocha HFD,Sanz-Medel A,Fernández-Sánchez MLdoi
10.1016/j.foodchem.2020.126978subject
Has Abstractpub_date
2020-10-01 00:00:00pages
126978eissn
0308-8146issn
1873-7072pii
S0308-8146(20)30840-2journal_volume
326pub_type
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