M. Navarro et al., DETERMINATION OF SELENIUM IN SERUM BY HYDRIDE GENERATION ATOMIC-ABSORPTION SPECTROMETRY FOR CALCULATION OF DAILY DIETARY-INTAKE, Science of the total environment, 175(3), 1995, pp. 245-252
Hydride generation atomic absorption spectrometry was used to determin
e the seienium concentrations in 130 samples of human serum from a con
trol group of inhabitants in the southern part of the province of Gran
ada (Spain). The mean selenium concentration in serum was 74.9 mu g/l.
This concentration did not vary significantly (P > 0.05) in relation
to the sex of the subject, with concentrations of 80.6 mu g/l in men a
nd 70.7 mu g/l in women. These mean values correspond to a mean daily
dietary selenium intake of 50.4 mu g per day in men and 44.6 mu g per
day in women. A considerable number of the individuals in the study ar
ea therefore have a daily selenium intake lower than the recommended d
ietary allowance of 70 mu g per day for men and 55 mu g per day for wo
men. Likewise, the measured selenium concentrations in the basic healt
h zones of the area were not statistically different (P > 0.05). The d
ifferences in selenium concentration between subjects in coastal zones
and mountainous zones are therefore not significant.