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Title: Determination of metals in medicinal plants highly consumed in Brazil
Title of periodic: Brazilian Journal of Pharmaceutical Sciences
Authors: Leal, Alexandre Soares
Prado, Guilherme
Gomes, Tatiana Cristina Bomfim
Sepe, Fernanda Peixoto
Dalmázio, Ilza
Affiliation: Centro de Desenvolvimento da Tecnologia Nuclear, CDTN, Belo Horizonte, MG, Brasil
Fundacao Ezequiel Dias FUNED, Belo Horizonte, MG, Brasil
Issue Date: 2013
Keywords: Neutron activation analysis;Medicinal plants;Chemical contaminants
Abstract: In this work, samples of the medicinal plants: Boldo (Peumus boldus), Castanha da India (Aesculus hippocastanum), Cha Verde (Camelia sinensis), Erva Cidreira (Melissa officinalis), Espinheira Santa (Maytenus ilicifolia), Guarana (Paullinia cupana), Maracuja (Passiflora sp.), Mulungu (Erythrina velutina), Sene (Cassia angustifolia) and Valeriana (Valeriana officinalis) were evaluated BY using the Neutron Activation Analysis technique (NAA-k(0)) 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.
Access: L
Appears in Collections:Artigo de periódico

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