Abstract
A study was undertaken to determine the level of biochemical contents and the activity concentrations of the radionuclides in Algerian mussels (Mytilus galloprovincialis). The determination of biochemical contents (lipids, carbohydrates, and proteins) allowed us to evaluate the benefits of mussel consumption. The mussels used at the same time as bioindicator of naturally occurring radionuclides (210Pb, 214Pb, 226Ra, 214Bi), telluric (40K), and artificial radionuclides (137Cs) from seawater. The biochemical contents were measured by (UV–Visible) Colorimetric assays, and the activity concentrations of radionuclides were measured by gamma spectrometry. The mussels were taken from three study areas on the Algerian coast: Kristel (Oran), Sercouf (Alger), and Collo (Skikda); and transplanted from each study areas into the tampon site (common site of Sercouf). The choice of sexual dormancy period and tampon site was a means of minimizing the effect of biological and environmental conditions on the bioaccumulation of radionuclides by mussels. The results show that the carbohydrates were the most abundant biochemical components (40–60%) compared to proteins (20–40%), and lipids (15–20%) of the total composition of the mussels. Not all treated mussels were contaminated with 137Cs, the high activity of 40K was the result of its high availability in the marine environment and its bioaccumulation in the mussel flesh. However, low 226Ra activity was measured compared to 40K, while 210Pb activity was measured between 40K and 226Ra. The Kristel site was the most impacted area.
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Guendouzi, Y., Soualili, D.L., Boulahdid, M., Eddalia, N., Boudjenoun, M., Noureddine, A. (2021). The Mussel Mytilus Galloprovincialis: Nutritional Quality and Bioindicator of Availability of Radionuclides in the Marine Environment (Algerian Basin). In: Ksibi, M., et al. Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition). EMCEI 2019. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-030-51210-1_105
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