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Liu S, Hou J, Zhang S, Zhang X, Zhang Q. The transformation of heavy metal speciation during rapid high-temperature aerobic fermentation of food waste and their potential mechanisms. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 346:119030. [PMID: 37741195 DOI: 10.1016/j.jenvman.2023.119030] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/12/2023] [Accepted: 09/17/2023] [Indexed: 09/25/2023]
Abstract
In this study, the content changes of multiple trace heavy metals (HMs) in food waste using a new rapid high-temperature aerobic fermentation (RTAF) technology and their relationships with different physicochemical factors were researched. The results indicated that the content of HMs in the decomposed products met the industry standards for organic fertilizers (NY/T525-2021, China). Physicochemical factors played an important role in controlling the changes in HM content. The component evolution of dissolved organic matter was studied, and its influences on the transformation of HM speciation showed that the RTAF process converted proteins into humus-like substances. Redundancy analysis revealed that the main factors driving the speciation transformation of HMs were tyrosine-like substances or microbial-derived humus (C3), molecular weight of dissolved organic matter (SUVA254) and humification degree (E250/E365). The increase in humification degree contributed to passivating HMs. The correlation network analysis results showed that the exchangeable HMs (Exc-HMs) were related to Lactobacillus and Pediococcu. Additionally, the cytoskeleton, coenzyme transport and metabolic function of microorganisms affected the Exc-HM content. These research results can provide a scientific basis for the prevention and control of HM pollution during the treatment of food waste.
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Affiliation(s)
- Shujia Liu
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, 200241, Shanghai, China; Shanghai SUS Environment Co, LTD., Shanghai, 201703, China
| | - JinJu Hou
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China.
| | - Shudong Zhang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, 200241, Shanghai, China
| | - Xiaotong Zhang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, 200241, Shanghai, China
| | - Qiuzhuo Zhang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, 200241, Shanghai, China; Institute of Eco-Chongming (IEC), 3663 N. Zhongshan Rd., Shanghai, 200062, China; Technology Innovation Center for Land Spatial Eco-restoration in Metropolitan Area, Ministry of Natural Resources, 3663 N. Zhongshan Road, Shanghai, 200062, China.
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El Youssfi M, Sifou A, Ben Aakame R, Mahnine N, Arsalane S, Halim M, Laghzizil A, Zinedine A. Trace elements in Foodstuffs from the Mediterranean Basin-Occurrence, Risk Assessment, Regulations, and Prevention strategies: A review. Biol Trace Elem Res 2023; 201:2597-2626. [PMID: 35754061 DOI: 10.1007/s12011-022-03334-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/14/2022] [Indexed: 11/24/2022]
Abstract
Trace elements (TEs) are chemical compounds that naturally occur in the earth's crust and in living organisms at low concentrations. Anthropogenic activities can significantly increase the level of TEs in the environment and finally enter the food chain. Toxic TEs like cadmium, lead, arsenic, and mercury have no positive role in a biological system and can cause harmful effects on human health. Ingestion of contaminated food is a typical route of TEs intake by humans. Recent data about the occurrence of TEs in food available in the Mediterranean countries are considered in this review. Analytical methods are also discussed. Furthermore, a discussion of existing international agency regulations will be given. The risk associated with the dietary intake of TEs was estimated by considering consumer exposure and threshold values such as Benchmark dose lower confidence limit and provisional tolerable weekly intake established by the European Food Safety Authority and the Joint FAO/WHO Expert Committee on Food Additives, respectively. Finally, several remediation approaches to minimize TE contamination in foodstuffs were discussed including chemical, biological, biotechnological, and nanotechnological methods. The results of this study proved the occurrence of TEs contamination at high levels in vegetables and fish from some Mediterranean countries. Lead and cadmium are more abundant in foodstuffs than other toxic trace elements. Geographical variations in TE contamination of food crops clearly appear, with a greater risk in developing countries. There is still a need for the regular monitoring of these toxic element levels in food items to ensure consumer protection.
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Affiliation(s)
- Mourad El Youssfi
- Laboratory of Applied Chemistry of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta BP.1014 Agdal, Rabat, Morocco
- Laboratory of Nanomaterials, Nanotechnologies and Environment, Center of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta, BP.1014, 10000, Rabat, Morocco
| | - Aicha Sifou
- Laboratory of Nanomaterials, Nanotechnologies and Environment, Center of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta, BP.1014, 10000, Rabat, Morocco
| | - Rachid Ben Aakame
- Laboratory of Food Toxicology, National Institute of Hygiene (INH), BP 769 Agdal, 27, Avenue Ibn Batouta, Rabat, Morocco
| | - Naima Mahnine
- Laboratory of Food Toxicology, National Institute of Hygiene (INH), BP 769 Agdal, 27, Avenue Ibn Batouta, Rabat, Morocco
| | - Said Arsalane
- Laboratory of Nanomaterials, Nanotechnologies and Environment, Center of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta, BP.1014, 10000, Rabat, Morocco
| | - Mohammed Halim
- Laboratory of Nanomaterials, Nanotechnologies and Environment, Center of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta, BP.1014, 10000, Rabat, Morocco
| | - Abdelaziz Laghzizil
- Laboratory of Applied Chemistry of Materials, Mohammed V University in Rabat, Faculty of Sciences, Avenue Ibn Battouta BP.1014 Agdal, Rabat, Morocco
| | - Abdellah Zinedine
- BIOMARE Laboratory, Chouaib Doukkali University, Faculty of Sciences, Route Ben Maachou, PO Box 20, 24000, El Jadida, Morocco.
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Anand S, Singh A, Kumar V. Recent advancements in cadmium-microbe interactive relations and their application for environmental remediation: a mechanistic overview. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:17009-17038. [PMID: 36622611 DOI: 10.1007/s11356-022-25065-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 12/26/2022] [Indexed: 01/10/2023]
Abstract
The toxic and persistent nature of cadmium (Cd) in the environment has become a matter of concern with its drastic increase in the concentrations over past few decades. Among the various techniques, the microbial remediation has been accepted as an effective decontamination tool for environmental applications, which is sustainable over a period of time. The Cd decontamination potential of the microbes depends on various internal and external factors that play a crucial role in selection of the microbes for application in a particular environment. Thus, it is important to understand the role of these factors for optimal application of the microbes. This study provides an insight into the mechanisms involved between the microbes and the environmental Cd. The study also briefly reviews the mathematical models that have been used to predict the remediation potential of the microbes and the kinetics involved during the process. A critical analysis of the recent advancements in the techniques for use of bacteria, fungi, and algal cells to remove Cd has been also presented in the manuscript.
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Affiliation(s)
- Saumya Anand
- Laboratory of Applied Microbiology, Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, India, 826004
| | - Ankur Singh
- Laboratory of Applied Microbiology, Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, India, 826004
| | - Vipin Kumar
- Laboratory of Applied Microbiology, Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, India, 826004.
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Lu W, Ma Y, Lu H, Yuan X, Zhang J, Yu M. Efficacious Removal of Trace Mercury from Honeysuckle Water Decoction Using Multifunctional Mesoporous Carbon. ACS OMEGA 2022; 7:46787-46797. [PMID: 36570278 PMCID: PMC9774401 DOI: 10.1021/acsomega.2c05863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
A mesoporous carbon (PC-2) obtained by using sucrose as a carbon source and urea as a nitrogen source has been used to remove trace mercury (Hg) from honeysuckle water decoction with high efficiency. The morphology, chemical composition, and pore structure of PC-2 have been characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), and Brunauer-Emmett-Teller (BET). The results show that the specific surface area of PC-2 with the -NH2 functional is 1077.44 m2·g-1, and the mesoporous pore size is mainly around 2.8 nm. The investigation of the relationship between the adsorption performance and the structure of PC-2 indicates that the pore size and the chemical composition of carbons are significantly correlated with adsorption performance of mercury in water and honeysuckle water decoction. PC-2 has high efficiency approximated 100% for mercury from aqueous solutions. The pseudo-second-order kinetic model and the Freundlich model could better fit the adsorption process of Hg(II) onto PC-2. The process was dominated by chemical adsorption. Meanwhile, the adsorption behavior and the influence on the medicinal components (chlorogenic acid) of mercury removal in honeysuckle water decoction were determined by high performance liquid chromatography (HPLC). Results suggest that PC-2 has high efficiency approximated 66% for mercury from honeysuckle water decoction under optimal adsorption conditions, without affecting its active ingredients (chlorogenic acid). Therefore, PC-2 can potentially be used for adsorption of mercury in honeysuckle water decoction.
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Affiliation(s)
- Wenjie Lu
- College
of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Institute
of Basic Theory of Chinese Medicine, China
Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yiqian Ma
- Guizhou
Institute of Products Quality Inspection & Testing, Guiyang 550016, China
| | - Huanyu Lu
- Guizhou
Institute of Products Quality Inspection & Testing, Guiyang 550016, China
| | - Xiaoyan Yuan
- College
of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Jianyong Zhang
- College
of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Ming Yu
- College
of Pharmacy, Zunyi Medical University, Zunyi 563000, China
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Hasan MS, Islam MZ, Liza RI, Sarker MAH, Islam MA, Harun-ur-Rashid M. Novel Probiotic Lactic Acid Bacteria with In Vitro Bioremediation Potential of Toxic Lead and Cadmium. Curr Microbiol 2022; 79:387. [DOI: 10.1007/s00284-022-03059-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 09/26/2022] [Indexed: 11/06/2022]
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