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Methylmercury in fish species used in preparing sashimi : a case study in Brazil.

The objective of this work was to determine the organic and total mercury contents in twelve fish species used in preparing sashimi in Japanese restaurants and estimate the exposure to organic mercury due to the consumption of this food. The mercury species were quantified by atomic absorption with thermal decomposition and amalgamation. Total mercury was analyzed directly, whereas organic mercury was quantifie...

Migración de hierro y níquel, y estabilidad oxidativa del aceite refinado de so...

Durante la elaboración de alimentos los utensilios culinarios pueden liberar componentes inorgánicos ocasionalmente no deseables. La oxidación del aceite es durante la fritura es favorecida por la presencia de metales. Fue evaluada la migración de hierro y níquel (espectrometría de emisión óptica) y la estabilidad oxidativa (método AOCS) del aceite de soja sometido a cuatro calentamientos con intervalos de 24 h...

Migração de minerais de panelas brasileiras de aço inoxidável, ferro fundido e ...

Os utensílios culinários podem liberar alguns componentes inorgânicos durante a cocção de alimentos. A migração destes pode ser interessante desde que ocorra em quantidades adequadas às necessidades nutricionais do usuário ou não existam implicações toxicológicas. Foi avaliada a migração de metais (Fe, Mg, Mn, Cr, Ni, Ca, Zn, Pb, Cd e Hg) por espectrometria de emissão óptica, utilizando ácidos láctico e acético...

Avaliação do estado nutricional em ferro de jovens estudantes em regime de alim...

Evaluation of raw soapstone (steatite) as adsorbent of trace elements present i...

The impact of soapstone (steatite) upon inorganic element contaminant concentrations in alcoholic beverages was investigated. Concentrations of As, Cd, Cu, Ni and Pb levels in 8 Brazilian spirits plus an alcoholic simulant were initially measured, and then measured following each 24 h cycle of exposure to raw soapstone cups, for a total of 4 cycles/sample. The results were compared to the levels established by ...

Sushi commercialized in Brazil : organic Hg levels and exposure intake evaluation.

The presence of organic mercury (methylmercury) in tuna, salmon and kani sushis marketed in restaurants specialising in Japanese foods (Campinas, São Paulo, Brazil), was investigated by atomic absorption spectrometer with thermal decomposition and amalgamation. Total mercury was analyzed directly, whilst organic mercury was quantified after a previous extraction with toluene in an acid solution, assisted by mic...

Evaluation of iron, zinc, copper, manganese and selenium in oral hospital diets.

Background & aims: Many trace elements are nutrients essential to humans, acting in the metabolism as constituents or as enzymatic co-factors. The iron, zinc, copper, manganese and selenium contents of hospital diets (regular, blend and soft) and of oral food complement (OFC) were determined, evaluating the adequacy of each element in relation to the nutritional recommendations (DRIs) and the percent contributi...

Níveis de contaminantes inorgânicos em cachaças da região do quadrilátero ferrí...

The levels of inorganic contaminants (As, Cd, Cu, Ni and Pb) were measured in 18 Brazilian spirit beverages, before and after 4 contact cycles of 24h each with in natura soapstone (steatite) cups. Results were compared to Brazilian regulation levels. Spirits contained As, Cd, Ni and Pb within permitted levels. For Cu, 5.6% of the brands were above the limit. The contact with soapstone cups decreased Cu levels i...

Macronutrients and energy content of oral hospital diet prescribed to chronic k...

Introduction: The contribution of diet and treatment planning in the treatment of Chronic Kidney Disease (CKD) has been recognized as having a significant clinical impact if introduced early. Objective: determine the levels of carbohydrates, proteins, lipids, energy and energy density (ED) in an oral hospital diet prescribed to CKD patients, and to evaluate the adequacy of this diet with respect to dietary reco...

Consumption of oral hospital diets and percent adequacy of minerals in oncology...

Background & aims: Deficiencies in the consumption of foods and nutrients favor malnutrition in patients. Considering the recommendations for the ingestion of minerals, the content, consumption and percent adequacy of the minerals (Ca, Cu, Fe, Mg, Mn, K, P, Na, Zn and Se) were evaluated amongst oncology patients who received oral diets isolated or associated with an oral food complement (OFC), evaluating the ne...