A novel approach for reducing mercury content in fish meat during post-packaging storage is developed to extend the margin of their safe consumption. It involves employing a single-component aqueous medium containing cysteine, as the active agent responsible for displacing mercury from fish proteins and its stabilization in the medium without the need for pH adjustments. The mercury removal efficiency depends on the cysteine concentration and its ratio to fish muscle. Using 1.2 wt% cysteine enables a reduction of mercury in canned Albacore tuna by 25-35%, depending on the fish product type and the exposure time of up to 2 weeks. The potential for the successful application of the developed method in active food packaging solutions is studied for the simultaneous or subsequent purification of the extraction solution through adsorption. Using thiolated silica could potentially enable the extraction process but it is shown that the presence of cysteine significantly hinders the adsorption.
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http://dx.doi.org/10.1002/gch2.202400161 | DOI Listing |
Front Surg
December 2024
Gastrointestinal Surgery Department, Baotou Central Hospital, Baotou, Inner Mongolia, China.
Introduction: The incidence of foreign bodies within the human body is uncommon, with thermometers representing an exceptionally rare subset of such cases. The management of these cases is particularly challenging due to the fragility of mercury thermometers and the toxic nature of their contents.
Case Description: A 16-year-old male adolescent presented with a three-month history of persistent, dull pain localized to the right inguinal region.
Environ Sci Pollut Res Int
December 2024
Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze 43, 25123, Brescia, Italy.
Environmental problems persist due to mercury from artisanal and small-scale gold mining (ASGM) as well as ecological problems associated with the macrophyte Eichhornia crassipes Martius (EC). Environmental problems persist due to mercury contamination from artisanal and small-scale gold mining (ASGM) and ecological issues related to the macrophyte Eichhornia crassipes Martius (EC). A bioaccumulation study was conducted on mercury-laden wastewater (WWm) from ASGM using a pilot treatment plant, specifically a constructed wetland system (CW) with the macrophyte species EC.
View Article and Find Full Text PDFTree Physiol
December 2024
Center of Molecular Ecophysiology (CMEP), College of Resources and Environment, Southwest University, Chongqing, 400715, China.
Iron plaques on the root surface can promote or inhibit the absorption and accumulation of heavy metals by plants. However, the mechanism by which iron regulates the response of Robinia pseudoacacia to mercury (Hg) have not been elucidated which hinders its application in divalent Hg (Hg2+) removal from Hg-contaminated soil. In this study, association analyses between transcriptome and metabolome were used to investigate effects of iron on the rhizosphere microenvironment and performance of R.
View Article and Find Full Text PDFScientifica (Cairo)
December 2024
Grupo de Investigación en Biotecnología y Ciencia de Los Alimentos, Universidad Tecnológica del Perú, Av. Tacna y Arica 160, Arequipa, Peru.
The presence of heavy metals in water represents a risk to the life of all species on the planet. Phytoremediation is an effective alternative to remove heavy metals from contaminated aqueous environments. In the present research, L.
View Article and Find Full Text PDFEnviron Res
December 2024
School of Energy and Environment, Southeast University, Nanjing, 210096, China; Key Laboratory of Water Safety and Aquatic Ecosystem Health of Xizang, Xianyang, 712082, China; Key Laboratory of Water Pollution Control and Ecological Restoration of Xizang, National Ethnic Affairs Commission, Xianyang, 712082, China. Electronic address:
In high-altitude regions, elevated mercury (Hg) levels in wastewater treatment plants (WWTPs) influent raise concerns about treatment efficiency and environmental impact. This study investigated the Hg biosorption capacity of activated sludge under high-altitude conditions, focusing on the binding mechanisms between EPS and Hg, and variations in EPS secretion. Low pressure, oxygen, and temperature at high altitudes increase EPS secretion, enhancing Hg biosorption.
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