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  • Title: Trace element and toxic metal intake from the consumption of canned mushrooms marketed in Spain.
    Author: Rubio C, Martínez C, Paz S, Gutiérrez AJ, González-Weller D, Revert C, Burgos A, Hardisson A.
    Journal: Environ Monit Assess; 2018 Mar 21; 190(4):237. PubMed ID: 29564562.
    Abstract:
    Mushrooms are a valuable foodstuff because they are an important source of fiber and essential amino acids, but they have a great capacity to capture metals from substrate. Due to this reason, the content of 14 metals (B, Ba, Cr, Cu, Fe, Li, Mo, Ni, Sr, V, Zn, Al, Cd, Pb) of 100 samples of canned mushrooms grown in Spain were analyzed by inductively coupled plasma atomic emission spectroscopy. Fe (9.55 mg/kg) was the most notable trace element, followed by Zn (2.39 mg/kg). The most abundant toxic metal was Al (17.80 mg/kg). Significant statistical differences between the absorption of metals have been observed when comparing species. Lentinula edodes and Lactarius deliciosus are the species which had the highest metal contents. Taking the average consumption 300 g per day for adults into account, the exposure to trace toxic metals from the consumption of the studied mushrooms does not pose a health risk. However, contribution percentages of Pb (87.6%) and Al (59.2%) found in Lentinula edodes and Pholiota nameko samples, respectively, are near the maximum intake.
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