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Estimation of cadmium load from soybeans and soy-based foods for vegetarians

Název česky Odhad zátěže kadmiem ze sóje a sójových výrobků u vegetariánů
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KOSEČKOVÁ Pavlína ZVĚŘINA Ondřej PRUŠA Tomáš COUFALÍK Pavel HREŽOVÁ Eliška

Druh Článek v odborném periodiku
Časopis / Zdroj Environmental Monitoring and Assessment
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
www http://link.springer.com/10.1007/s10661-019-8034-7
Doi http://dx.doi.org/10.1007/s10661-019-8034-7
Klíčová slova Soy product; Glycine max; Vegan; Heavy metal; Cadmium intake; Cd
Popis Soybeans, as legumes, belong among food items that contribute most to the dietary intake of the heavy metal cadmium (Cd). The consumption of soy-based foods may contribute significantly to Cd intake in vegetarians as probably the most frequent consumers of these foods. In this research, the weekly dietary intake of Cd from soy-based foods was investigated in 119 participants (including vegetarians, vegans, and non-vegetarians) in the Czech Republic by means of a semi-quantitative food frequency questionnaire (SFFQ) with personal assistance and the measurement of body weight. Cd content in soy-based foods available on the market was determined by means of atomic absorption spectrometry after microwave digestion. Tofu, as the most frequently consumed food item in the vegetarian/vegan group, contributed most to the total dietary Cd intake. It contained 7.6±0.1mug Cd/kg, while the highest Cd content was observed in tempeh (18.1±0.4mug/kg). The highest mean dietary Cd intake per week from soy-based foods was 0.4mug/kg b.w. and was found in the vegan group. The consumption of soy-based foods was the lowest in the non-vegetarian group as was the dietary intake of Cd, which was 0.04mug/kg b.w. per week.
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