AI Article Synopsis
- The study focused on the bioaccumulation and biosorption of lead (Pb(II)) in various edible mushrooms, including species like Lentinus edodes and Pleurotus eryngii.
- The research showed that these mushrooms have different abilities to accumulate lead, but levels remained safe when grown in uncontaminated soil.
- Results indicate that certain mushrooms are effective at removing lead from solutions, with biosorption processes fitting well into specific models, confirming their potential as natural biosorbents.
Article Abstract
In this work, we studied the natural bioaccumulation and biosorption of Pb(II) in several common edible macrofungi. The macrofungi include the following species: Lentinus edodes, Pleurotus eryngii, Flammulina velutipes, Hypsizygus marmoreus, and Agrocybe cylindracea. The present analysis of Pb(II) revealed distinct capabilities of metal accumulation among individual species. Moreover, the natural concentrations of lead did not reach a health risk level when cultivated in uncontaminated soil. In the biosorption experiment by edible macrofungi, we found that the equilibrium data of living sporocarp (P. eryngii and H. marmoreus) and the homogenate of L. edodes and F. velutipes fit the Freundlich model well. Other data samples exhibited a better fit to the Langmuir model. The edible macrofungi showed a higher lead removal capacity than did other biosorbents. Furthermore, the pseudo-second-order kinetics model exhibited the best fit to the biosorption processes. The effectiveness of edible macrofungi as biosorbents for Pb(II) was confirmed.
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| http://dx.doi.org/10.1139/cjm-2015-0631 | DOI Listing |
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