Study of the Cu, Mn, Pb and Zn Dynamics in Soil, Plants and BeePollen from the Region of Teresina (PI), BrazilAn Acad Bras Cienc, 2012 Oct 4The purpose of this study is to characterize native beeplants regarding their capacity to extract and accumulate trace elements fromthe soil and its consequences to the sanity of the produced pollen. The trace elements Cu, Mn, Pb and Zn were analyzed in soil,plants and bee pollen from Teresina region (PI), Brazil, by flame atomicabsorption spectrophotometer. Considering the studied plant species, Cu and Pb metalspresented in the highest levels in the roots of B. platypetala with 47.35 and32.71 μg.mL-1 and H. suaveolens with 39.69 and 17.06 μg.mL-1, respectively,while in the aerial parts Mn and Zn metals presented the highest levels in S.verticillata with 199.18 and 85.73 μg.mL-1. In the pollen, the levels of Cu,Mn, Pb and Zn vary from 5.44 to 11.75 μg.mL-1; 34.31 to 85.75 μg.mL-1; 13.98 to18.19 μg.mL-1 and 50.19 to 90.35 μg.mL-1, respectively. These results indicate that in the apicultural pasture thetranslocation (from soil to pollen) of Mn and Zn was more effective than incase of Cu and Pb, therefore, the bee pollen can be used as food supplementwithout causing risks to human health.
8 Ekim 2012 Pazartesi
Lead in Soil Little Risk to Bee-Collected Pollen
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Study of the Cu, Mn, Pb and Zn Dynamics in Soil, Plants and BeePollen from the Region of Teresina (PI), BrazilAn Acad Bras Cienc, 2012 Oct 4The purpose of this study is to characterize native beeplants regarding their capacity to extract and accumulate trace elements fromthe soil and its consequences to the sanity of the produced pollen. The trace elements Cu, Mn, Pb and Zn were analyzed in soil,plants and bee pollen from Teresina region (PI), Brazil, by flame atomicabsorption spectrophotometer. Considering the studied plant species, Cu and Pb metalspresented in the highest levels in the roots of B. platypetala with 47.35 and32.71 μg.mL-1 and H. suaveolens with 39.69 and 17.06 μg.mL-1, respectively,while in the aerial parts Mn and Zn metals presented the highest levels in S.verticillata with 199.18 and 85.73 μg.mL-1. In the pollen, the levels of Cu,Mn, Pb and Zn vary from 5.44 to 11.75 μg.mL-1; 34.31 to 85.75 μg.mL-1; 13.98 to18.19 μg.mL-1 and 50.19 to 90.35 μg.mL-1, respectively. These results indicate that in the apicultural pasture thetranslocation (from soil to pollen) of Mn and Zn was more effective than incase of Cu and Pb, therefore, the bee pollen can be used as food supplementwithout causing risks to human health.
Study of the Cu, Mn, Pb and Zn Dynamics in Soil, Plants and BeePollen from the Region of Teresina (PI), BrazilAn Acad Bras Cienc, 2012 Oct 4The purpose of this study is to characterize native beeplants regarding their capacity to extract and accumulate trace elements fromthe soil and its consequences to the sanity of the produced pollen. The trace elements Cu, Mn, Pb and Zn were analyzed in soil,plants and bee pollen from Teresina region (PI), Brazil, by flame atomicabsorption spectrophotometer. Considering the studied plant species, Cu and Pb metalspresented in the highest levels in the roots of B. platypetala with 47.35 and32.71 μg.mL-1 and H. suaveolens with 39.69 and 17.06 μg.mL-1, respectively,while in the aerial parts Mn and Zn metals presented the highest levels in S.verticillata with 199.18 and 85.73 μg.mL-1. In the pollen, the levels of Cu,Mn, Pb and Zn vary from 5.44 to 11.75 μg.mL-1; 34.31 to 85.75 μg.mL-1; 13.98 to18.19 μg.mL-1 and 50.19 to 90.35 μg.mL-1, respectively. These results indicate that in the apicultural pasture thetranslocation (from soil to pollen) of Mn and Zn was more effective than incase of Cu and Pb, therefore, the bee pollen can be used as food supplementwithout causing risks to human health.
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