2002
DOI: 10.1590/s0102-695x2002000300054
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Estudo mineral de plantas medicinais

Abstract: Determinations of Ca, Cu, Fe, Mg, Mn and Zn were evaluated in five different samples of medicinal plant leaves. Atomic absorption spectrometry was applied to the metals quantification. Except for Fe in Artemisia vulgaris L, significant levels of these elements were found in all investigated plant as compared to other vegetables which are abundant concerning that mineral content.O uso de vegetais tem se difundido largamente nos últimos anos no tratamento fitoterápico de muitas doenças Tabela 2. Determinação de … Show more

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Cited by 7 publications
(9 citation statements)
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“…The levels of K, Ca, Cu, Fe, Mg, Mn, and Zn have been evaluated in several Brazilian plant leaves (LOPES et al, 2002;SILVEIRA et al, 2009). Among these minerals, K had the highest content, followed by Mg and Ca.…”
Section: Discussionmentioning
confidence: 99%
“…The levels of K, Ca, Cu, Fe, Mg, Mn, and Zn have been evaluated in several Brazilian plant leaves (LOPES et al, 2002;SILVEIRA et al, 2009). Among these minerals, K had the highest content, followed by Mg and Ca.…”
Section: Discussionmentioning
confidence: 99%
“…Among these minerals, K had the highest content, followed by Mg and Ca. Lopes et al (2002) analyzed the mineral composition of several medicinal plants grown in Ceará State. The main minerals found in these plants in order of abundance were Ca > K > Mg > Na; although the order differs from that found in the present study for the honey samples from Ceará (K > Ca > Na > Mg), the main minerals are the same.…”
Section: Discussionmentioning
confidence: 99%
“…Dentre eles destacamos o ferro (Fe), elemento vital para a maioria dos organismos vivos, participando de uma série de processos metabólicos; o cobalto (Co), necessário para a formação da vitamina B12; o cobre (Cu), componente essencial de enzimas como a tirosinase, citocromo oxidase e superóxido dismutase; o manganês (Mn), presente em metaloproteínas como a piruvato descarboxilase; o cromo (Cr), elemento necessário para o metabolismo do colesterol, gordura e glicose; e o níquel (Ni), que participa da regulação de lipídeos e síntese de fosfolipídeos (Klassen & Watkins, 2001 (Maiga et al, 2005;Klassen & Watkins, 2001;Hsu & Guo, 2002). Na literatura encontram-se vários relatos de quantifi cação de metais pesados em plantas medicinais e amostras de alimentos (Rajurkar & Damane, 1998;Abou-Arab et al, 1999;Lopes et al, 2002;Macari et al, 2002;Bordajandi et al, 2004;Caldas & Machado, 2004;Kannamkumarath et al, 2004;Palmieri et al, 2005;Delaporte et al, 2005). Desta forma, o objetivo deste trabalho foi a quantifi cação de sete microelementos (Fe, Mn, Cu, Pb, Cr, Co e Ni) em amostras obtidas em indústrias e comércio do Brasil, Chile e Argentina de folhas de Peumus boldus Mol.…”
Section: Introductionunclassified