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Determination of metals in medicinal plants highly consumed in Brazil
Leal, Alexandre Soares; Prado, Guilherme; Gomes, Tatiana Cristina Bomfim; Sepe, Fernanda Peixoto; Dalmázio, Ilza.
  • Leal, Alexandre Soares; Center for Development of Nuclear Technology. Belo Horizonte. BR
  • Prado, Guilherme; Center for Development of Nuclear Technology. Belo Horizonte. BR
  • Gomes, Tatiana Cristina Bomfim; Center for Development of Nuclear Technology. Belo Horizonte. BR
  • Sepe, Fernanda Peixoto; Center for Development of Nuclear Technology. Belo Horizonte. BR
  • Dalmázio, Ilza; Center for Development of Nuclear Technology. Belo Horizonte. BR
Braz. j. pharm. sci ; 49(3): 599-607, July-Sept. 2013. ilus, tab
Article in English | LILACS | ID: lil-689914
ABSTRACT
In this work, samples of the medicinal plants Boldo (Peumus boldus), Castanha da Índia (Aesculus hippocastanum), Chá Verde (Camelia sinensis), Erva Cidreira (Melissa officinalis), Espinheira Santa (Maytenus ilicifolia), Guaraná (Paullinia cupana), Maracujá (Passiflora sp.), Mulungu (Erythrina velutina), Sene (Cassia angustifolia) and Valeriana (Valeriana officinalis) were evaluated BY using the Neutron Activation Analysis technique (NAA- k0) in order to determine the levels of metals and other chemical contaminants. The results showed the presence of non essential elements to the human body. The diversity of chemical impurities found even at low concentration levels, considering the potential for chronic toxicity of these elements, reinforces the need to improve the implementation of good practices by growers and traders, and the hypothesis of lack of quality control in plant products.
RESUMO
Neste trabalho, amostras de Boldo (Peumus boldus), Castanha da Índia (Aesculus hippocastanum), Chá Verde (Camelia sinensis), Erva Cidreira (Melissa officinalis), Espinheira Santa (Maytenus ilicifolia), Guaraná (Paullinia cupana), Maracujá (Passiflora sp.), Mulungu (Erythrina velutina), Sene (Cassia angustifolia) e Valeriana (Valeriana officinalis) foram investigadas utilizando a técnica Análise por Ativação Neutrônica (AAN-k0), a fim de se determinar os teores de metais e outros elementos químicos contaminantes. Os resultados revelaram a presença de elementos não essenciais ao organismo humano. A diversidade de impurezas químicas encontradas, mesmo em níveis de baixa concentração, considerando o potencial de toxicidade crônica desses elementos, reforça a necessidade de melhorias na aplicação de boas práticas pelos produtores e comerciantes e a hipótese de falta de controle de qualidade nos produtos vegetais.
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Full text: Available Index: LILACS (Americas) Main subject: Plants, Medicinal / Metals Country/Region as subject: South America / Brazil Language: English Journal: Braz. j. pharm. sci Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Center for Development of Nuclear Technology/BR

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Full text: Available Index: LILACS (Americas) Main subject: Plants, Medicinal / Metals Country/Region as subject: South America / Brazil Language: English Journal: Braz. j. pharm. sci Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Center for Development of Nuclear Technology/BR