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Transfer of thallium from rape seed to rape oil is negligible and oil is fit for human consumption.
Loula, Martin; Kana, Antonín; Vosmanská, Magda; Koplík, Richard; Mestek, Oto.
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  • Loula M; a Department of Analytical Chemistry , University of Chemistry and Technology Prague , Prague 6, Czech Republic.
  • Kana A; a Department of Analytical Chemistry , University of Chemistry and Technology Prague , Prague 6, Czech Republic.
  • Vosmanská M; a Department of Analytical Chemistry , University of Chemistry and Technology Prague , Prague 6, Czech Republic.
  • Koplík R; a Department of Analytical Chemistry , University of Chemistry and Technology Prague , Prague 6, Czech Republic.
  • Mestek O; a Department of Analytical Chemistry , University of Chemistry and Technology Prague , Prague 6, Czech Republic.
Food Addit Contam Part A Chem Anal Control Expo Risk Assess ; 33(4): 668-73, 2016.
Article en En | MEDLINE | ID: mdl-26934111
Rape and other Brassicaceae family plants can accumulate appreciable amounts of thallium from the soil. Because some species of this family are common crops utilised as food for direct consumption or raw materials for food production, thallium can enter the food chain. A useful method for thallium determination is inductively coupled plasma mass spectrometry. The limit of detection (0.2 pg ml(-1) Tl or 0.02 ng g(-1) Tl, taking in the account dilution during sample decomposition) found in the current study was very low, and the method can be used for ultra-trace analysis. Possible transfer of thallium from rape seed to the rape oil was investigated in two ways. The balance of thallium in rape seed meal (content 140-200 ng g(-1) Tl) and defatted rape seed meal indicated that thallium did not pass into the oil (p < 0.05). Moreover, the analyses of thallium in six kinds of edible rape seed oil and three kinds of margarines showed that the amount of thallium in rape seed oil is negligible.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Semillas / Talio / Brassica rapa Límite: Humans Idioma: En Revista: Food Addit Contam Part A Chem Anal Control Expo Risk Assess Asunto de la revista: CIENCIAS DA NUTRICAO Año: 2016 Tipo del documento: Article País de afiliación: República Checa Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Semillas / Talio / Brassica rapa Límite: Humans Idioma: En Revista: Food Addit Contam Part A Chem Anal Control Expo Risk Assess Asunto de la revista: CIENCIAS DA NUTRICAO Año: 2016 Tipo del documento: Article País de afiliación: República Checa Pais de publicación: Reino Unido