Ivanova & al. 2020. The trace element contents in wild edible mushrooms samples and econometric modeling of data

PDFIvanova M., Lacheva M., Radoukova T., Dospatliev L. 2020.
The trace element contents in wild edible mushrooms samples and econometric modeling of data
Bulgarian Chemical Communications, 52(A): 53-58. DOI: 10.34049/bcc.52.A.185

Abstract
The aims of this work were to determine trace elements (Pb, Cd, Co, Cu, Mn, Zn and Fe) contents in the wild edible mushroom Suillus luteus growing in the Batak Mountain, Bulgaria and to identify the relationship between Mn and the other elements using ordinary least squares multiple linear regression models. Quantitative determination of the concentration of the studied trace elements was carried out in mineralized samples on a Perkin Elmer AAnalyst 800 atomic absorption spectrometer with deuterium background corrector. All statistical computing, analysis and all charts were performed with the statistical software R program. We obtained an ordinary least squares multiple linear regression model showing that: if Fe and Cd increase by 1%, the effect of this increase would result in an increase in Mn by 8.17% on the average; if Zn, Cu, Co and Pb decrease by 1%, the effect of this decrease would result in a decrease in Mn by 1.21% on the average.

 
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