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Whole blood samples from 40 male and 40 female individuals were analyzed for zinc, copper, selenium and iron, and in part also for cadmium and lead. Correlations were established between the element contents and the activities of blood enzymes (carbo-anhydrase, leucine aminopeptidase, lactate dehydrogenase, alkaline phosphatase, glutathione peroxidase). The zinc-copper ratio exerted no effect on the zinc-dependent enzymes. There was a correlation between the glutathione peroxidase activity and the selenium content in whole blood (r greater than 0.73). A cluster analysis was performed. In women, the authors stated a significant effect of oral contraceptives especially on the zinc and copper balance. It was evidenced that detectable (more marked) changes in the mineral equilibrium are not produced in all cases by the contraceptives. Nevertheless, changes in the mineral equilibrium are likely to occur in 25% of all women. In the present study further changes (for example in enzymes) were observed in 50% of all women. The results obtained from the male individuals were indicative of certain relationships between the zinc-copper ratio and the content of total lipids or lipid fractions in human blood.
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
January 1969,
Zeitschrift fur Ernahrungswissenschaft. Journal of nutritional sciences. Supplementa,
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
January 2012,
Water science and technology : a journal of the International Association on Water Pollution Research,
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
January 1998,
Bibliotheca nutritio et dieta,
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
January 1989,
Bibliotheca nutritio et dieta,
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
October 1995,
Journal of molecular and cellular cardiology,
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
February 1988,
The Proceedings of the Nutrition Society,
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
August 1969,
British medical journal,
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
June 1975,
Archiv fur Tierernahrung,
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
June 1988,
The Journal of nutrition,
R Engst, and
V Erhardt, and
M Kujawa, and
R M Macholz, and
K Pfaff, and
H Woggon
February 2024,
Metallomics : integrated biometal science,
