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Abstract
Children are particularly vulnerable to zinc (Zn) deficiency during periods of rapid growth and development such as infancy and adolescence. The aim was to find the relationship between food frequency, intake, food habits and zinc status in 11-year-old healthy children from southern Poland. The study group comprised children (n = 157) in the age range 11.0 ± 0.4 years. The level of Zn in serum, erythrocytes and hair samples was measured using atomic absorption spectrophotometry. The parents of children examined completed a special food frequency questionnaire. The Zn concentration in hair (boys 182.98 ± 65.63 μg g-1, n = 78; girls 203.82 ± 39.80 μg g-1, n = 79; p = 0.0171), erythrocytes (8.60 ± 2.76 mg l-1, n = 50) and blood serum (0.79 ± 0.15 mg l-1) correlated significantly (p < 0.05) with frequency intake of different products (hair: meat, rolls, fruit juices without additives, brawn, pate, barley, black pudding, fish canned, chips, margarine used for cooking, bacon; erythrocytes: fruits, matured cheese, dishes of meal, white cottage cheese, fruit juices without additives, cakes and cakes with cream, margarine used for bread spread; blood serum: bread, fruits, milk, kefir, yoghurt). The relationship of the Zn amount in food products, food frequency intake and the concentration in different healthy children tissues is influenced by many internal and external factors.