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Acta bioquímica clínica latinoamericana
Print version ISSN 0325-2957On-line version ISSN 1851-6114
Abstract
WEISSTAUB, Adriana Ruth et al. Plasmatic zinc, serum copper and erythrocyte zinc and copper levels in healthy adult people living in Buenos Aires. Acta bioquím. clín. latinoam. [online]. 2008, vol.42, n.3, pp.315-323. ISSN 0325-2957.
Two groups of adult healthy people were studied: 21 males (M) and 19 females (F). Mean age (ys) was: M: 48±14 (28-78); F: 41±14 (23-66); body mass index (Kg/m2) was: M: 26.7±2.3 (23.1-31.9); F: 22.2±3.5 (19.3-29.6). A nutritional survey was recorded and mean daily intake of energy, protein, Zinc (Zn) and Copper (Cu) were calculated. Fasting blood samples were obtained in order to determine Hemoglobin (Hb), plasmatic Zn (PlZn), serum Cu (SCu), erythrocyte Zn (EZn) and erythrocyte Cu (ECu) levels. Zn and Cu were determined by AAS. Results were: mean±SD and ranges: PlZn (μg/dL): M: 93±27 (49-161); F: 79±28 (42-157); EZn (μg/dL): M: 1380±210 (1110-2010); F: 1350±130 (1090-1520); SCu (μg/dL): M: 89±20 (40-122); F: 93±28 (45-157). ECu (μg/dL): M: 59±12 (37-78); F: 63±19 (30-110). All individuals presented adequate intake of energy, protein, Zn and Cu. There were no significant differences between M and F for PlZn, EZn, Zn/Hb ratio, SCu and ECu. The results for the adult healthy population in Argentina, and which were in accordance with the international published values were: (percentiles 5 y 95, respectively): PlZn: 49 - 131 μg/dL; EZn: 1130 - 1610 μg/dL; Zn/Hb: 34,4 - 47,5 μg/g; SCu: 45 - 124 μg/dL; ECu: 36 - 78 μg/dL.
Keywords : Plasmatic zinc levels; Serum copper levels; Erythrocyte zinc and copper levels; Healthy adult population; Argentina.