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Cadmium Blood Levels in Two Groups of Children and Adolescents with Different Diets


Authors: M. Krajčovičová-Kudláčková;  M. Ursínyová 1;  V. Hladíková 1;  R. Šimončič;  A. Béderová;  T. Magálová;  A. Brtková
Authors‘ workplace: Výskumný ústav výživy, Bratislava, riaditeľ MUDr. R. Šimončič, CSc. Ústav preventívnej a klinickej medicíny, Bratislava, 1riaditeľ prof. MUDr. T. Trnovec, DrSc.
Published in: Čes-slov Pediat 1999; (9): 482-486.
Category:

Overview

Cadmium levels in whole blood were assessed in a group of 18 vegetarian children (age 10 - 14 years) and 35adolescent vegetarians (15 - 18 years) with a mean period of vegetarianism of 6.6 and 6 years resp. The values werecompared with groups on a mixed diet (omnivores, n = 35 children, n = 34 adolescents). The vegetarians hada significantly higher mean cadmium level as compared with omnivores - children 1.30 ± 0,18 vs. 0.74 ± 0.07 mg/l,P < 0.01, adolescents 0.92 ± 0.08 vs. 0.67 ± 0.05 mg/l, P < 0.01. All individual values were within an acceptable rangeunder 5 mg/l with a shift to higher levels in vegetarians. The rate of values above 1 mg/l was 56% in vegetarianchildren vs. 20% in omnivores and in 34% adolescent vegetarians vs. 6% omnivores. The authors revealeda significant positive linear correlation between the cadmium blood level and the p eriod of vegetarianism (r = 0.772,P < 0.001 - children, r = 0.670, P < 0.001 - adolescents). Vegetarian children consumed daily a ninefold amount ofwholemeal products, adolescents a 12 and a half times larger amount. They also included in their menu cerealsprouts, while omnivores did not eat them at all. Cadmium from the soil accumulates mainly in the outer layersof cereal grains and in sprouts. The cadmium blood levels correlated with the glutathione level in red blood cellsof vegetarians (r = 0.643, P < 0.01) which is favourable with regard to the crucial role of glutathione in detoxication.

Key words:
children adolescents, vegetarians, omnivores, cadmium blood level, intake of wholemeal foods

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Labels
Neonatology Paediatrics General practitioner for children and adolescents
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