Mark another victory for honeybees to collect only the "good stuff". Like humans going to the market for fresh produce, honey bees are selective about what they collect, whether it be pollen or nectar or tree resin. Similarly, even after the nuclear disaster at Chernobyl, honey harvested in the area contained no radiation...
Study of
the Cu, Mn, Pb and Zn Dynamics in Soil, Plants and Bee Pollen from the Region of
Teresina (PI), Brazil
An AcadBras Cienc, 2012 Oct 4
The purpose
of this study is to characterize native bee plants regarding their capacity to
extract and accumulate trace elements from the 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 atomic absorption spectrophotometer.
Considering
the studied plant species, Cu and Pb metals presented in the highest levels in
the roots of B. platypetala with 47.35 and 32.71 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 to 18.19 μg.mL-1 and 50.19 to 90.35 μg.mL-1, respectively.
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