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Bahçıvan A, Şaylan M, Sagdic O, Bakırdere S. CoSn(OH) 6 nanocubes as a solid sorbent for the effective preconcentration of copper ions in cinnamon (Cinnamomum zeylanicum) extract. Food Chem 2024; 447:139037. [PMID: 38513484 DOI: 10.1016/j.foodchem.2024.139037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 03/07/2024] [Accepted: 03/11/2024] [Indexed: 03/23/2024]
Abstract
This study was aimed at developing a simple and efficient CoSn(OH)6 nanocubes-based preconcentration method for the preconcentration of copper ions from cinnamon extracts for determination by flame atomic absorption spectrometry. The cube-shaped sorbent was synthesized using the simple stoichiometric co-precipitation method under ambient conditions. Experimental factors of the method were evaluated with a comprehensive optimization approach to maximize the extraction efficiency for the analyte. Under the optimal conditions, the limit of detection (LOD), limit of quantitation (LOQ), and linear dynamic range were recorded as 0.98 µg/L, 3.28 µg/L, and 4.0-75 µg/L, respectively. The enhancement factor was calculated as 101.6-fold by comparing the LODs of the optimized and direct analysis systems. Percent recoveries were found to be within an acceptable range (77.6-115 %), with high repeatability using matrix matching calibration strategy. Results validated the proposed method as a highly efficient extraction approach for the monitoring of copper ions in herbal cinnamon extracts.
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Affiliation(s)
- Aleyna Bahçıvan
- Yıldız Technical University, Department of Food Engineering, 34220 İstanbul, Turkiye
| | - Meltem Şaylan
- Yıldız Technical University, Chemistry Department, 34220 İstanbul, Turkiye; İstanbul Health and Technology University, Department of Pharmacy, 34421 İstanbul, Turkiye
| | - Osman Sagdic
- Yıldız Technical University, Department of Food Engineering, 34220 İstanbul, Turkiye
| | - Sezgin Bakırdere
- Yıldız Technical University, Chemistry Department, 34220 İstanbul, Turkiye; Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya 06670, Ankara, Turkiye.
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Tessele I, Dal Molin TR, Dognini J, Noremberg S, de Carvalho LM. Investigation of thallium as a contaminant in dietary supplements marketed for weight loss and physical fitness. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2024; 41:800-810. [PMID: 38781478 DOI: 10.1080/19440049.2024.2354494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 05/07/2024] [Indexed: 05/25/2024]
Abstract
Dietary supplements are drastically growing as a category of consumer products all over the world. The abuse of supplements marketed for slimming purposes and physical fitness has been observed worldwide in recent years, which raises concerns in terms of public health. In this study, different types of dietary supplements marketed and delivered through the e-commerce were studied for the determination of thallium as a hazardous inorganic contaminant. The total content of thallium was determined by a sensitive voltammetric method after a microwave-assisted oxidative digestion of the sample. In addition, a comparative spectrometric method was applied for validation of the results in the samples. The maximum concentration found for thallium was found to be 2.89 mg kg-1, which well agree with the comparative measurement. Considering the 32 studied formulations, it can be pointed out that ∼24% of the of dietary supplements presented Tl concentrations at concentrations higher than 1 mg kg-1. The results permitted the assessment of the health risk related to thallium from contaminated samples, based on the calculation of the estimated daily intake (EDI) and the risk quotient (HQ). The highest daily intake of thallium was calculated as 82.0 µg day-1 in a protein-based supplement, which is equivalent to an EDI of 1.17 µg kg-1 day-1. This work highlights the need to develop regulations on the limits of toxic elements such as thallium in widely consumed dietary supplements, as well as an in-depth look at the adverse effects caused by this element in the human body.
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Affiliation(s)
- Igor Tessele
- Department of Chemistry, Federal University of Santa Maria (UFSM), Santa Maria, Brazil
| | - Thaís R Dal Molin
- Graduate Program of Pharmaceutical Sciences, Federal University of Santa Maria (UFSM), Santa Maria, Brazil
| | | | - Simone Noremberg
- Department of Chemistry, Federal University of Santa Maria (UFSM), Santa Maria, Brazil
| | - Leandro M de Carvalho
- Department of Chemistry, Federal University of Santa Maria (UFSM), Santa Maria, Brazil
- Graduate Program of Pharmaceutical Sciences, Federal University of Santa Maria (UFSM), Santa Maria, Brazil
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3
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Mlangeni AT. Health risk assessment of toxic metal(loids) (As, Cd, Pb, Cr, and Co) via consumption of medicinal herbs marketed in Malawi. Toxicol Rep 2023; 11:145-152. [PMID: 37538931 PMCID: PMC10393791 DOI: 10.1016/j.toxrep.2023.07.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 07/11/2023] [Indexed: 08/05/2023] Open
Abstract
This study aimed to assess the potential health risks associated with consuming three commonly consumed medicinal herbs in Malawi: Azadirachta indica, Mondia whitei, and Moringa oleifera. The concentrations of five metal(loids) (As, Cd, Pb, Cr, and Co) were determined using inductively coupled plasma mass spectrometry, while their safety was assessed by comparing the measured values with the legislated maximum contaminant levels (MCL)and reported metal(loids) concentrations in other countries. The results indicated significant variations of metal(loids) concentrations amongst the studied medicinal herbs, with Azadirachta indica containing the highest mean As (0.078 ± 0.010 mg kg-1) and Cd (0.049 ± 0.05 mg kg-1) concentrations and Mondia whitei and Moringa oleifera contained the highest mean Co (1.01 ± 0.05 mg kg-1) and Cr (1.42 ± 1.18 mg kg-1) concentrations, respectively. However, the mean concentrations of As, Cd, Pb, Cr, and Co fell below the MCL set by World Health Organization (WHO), Alimentarius Commissions, and European Commission. The estimated daily intake (EDI) for each metal(loid) was less than 1, indicating that the studied medicinal herbs do not pose serious health risks to non-regular consumers. The study also emphasizes the importance of assessing the potential risks associated with consuming medicinal herbs contaminated with heavy metals or metalloids, as it can seriously threaten human health.
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Alam MNE, Hosen MM, Ullah AKMA, Maksud MA, Khan SR, Lutfa LN, Choudhury TR, Quraishi SB. Lead Exposure of Four Biologically Important Common Branded and Non-branded Spices: Relative Analysis and Health Implication. Biol Trace Elem Res 2023; 201:4972-4984. [PMID: 36627477 PMCID: PMC9838428 DOI: 10.1007/s12011-022-03553-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/30/2022] [Indexed: 01/12/2023]
Abstract
Technological advances and socioeconomic development of Bangladesh are leading to the best choice between branded and non-branded powdered spices. But toxic metal issues can be another factor to elect them. So lead (Pb) exposure and its consequence on the human body for these two categories of four common spices have been ascertained here. A validated laboratory method using hot plate digestion and flame atomic absorption spectrometry (FAAS) has been used for that. The obtained mean concentration of Pb in branded and non-branded spice powders followed the decreasing order of turmeric > coriander > red chili > cumin powder and turmeric > red chili > cumin > coriander powder, respectively, where, in any analysis mode, the non-branded items are potentially ahead of Pb exposure. The market-based mean concentration between these two categories was not a significant difference (t-test). Approximately 90% of the spice samples have shown within the maximum allowable limit by Bangladesh Standard. The sum of estimated daily intake indicated that most of the city market (67%) for non-branded items and some branded (33%) samples have crossed the maximum tolerable daily intake (> 0.21 mg/kg). So, the human health risk assumption for the inhabitant of studied areas suggests there is no significant level of risk for them due to the consumption of spices regarding non-carcinogenic risk factor (THQ and total THQ) and carcinogenic risk factor (CR). But the development of a quality control process for loose spice powders as well as toxic metal screening from raw materials to finish products urgently needed and continuous monitoring with identifying the source of toxic metal is highly recommended.
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Affiliation(s)
- M. Nur E. Alam
- Analytical Chemistry Laboratory, Atomic Energy Center, Bangladesh, Atomic Energy Commission, Dhaka, 1000 Bangladesh
| | - M. Mozammal Hosen
- Analytical Chemistry Laboratory, Atomic Energy Center, Bangladesh, Atomic Energy Commission, Dhaka, 1000 Bangladesh
| | - A. K. M. Atique Ullah
- Analytical Chemistry Laboratory, Atomic Energy Center, Bangladesh, Atomic Energy Commission, Dhaka, 1000 Bangladesh
| | - M. A. Maksud
- Analytical Chemistry Laboratory, Atomic Energy Center, Bangladesh, Atomic Energy Commission, Dhaka, 1000 Bangladesh
| | - S. R. Khan
- Analytical Chemistry Laboratory, Atomic Energy Center, Bangladesh, Atomic Energy Commission, Dhaka, 1000 Bangladesh
| | - L. N. Lutfa
- Analytical Chemistry Laboratory, Atomic Energy Center, Bangladesh, Atomic Energy Commission, Dhaka, 1000 Bangladesh
| | - Tasrina Rabia Choudhury
- Analytical Chemistry Laboratory, Atomic Energy Center, Bangladesh, Atomic Energy Commission, Dhaka, 1000 Bangladesh
| | - Shamshad B. Quraishi
- Analytical Chemistry Laboratory, Atomic Energy Center, Bangladesh, Atomic Energy Commission, Dhaka, 1000 Bangladesh
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Mouri H, Malepe RE, Candeias C. Geochemical composition and potential health risks of geophagic materials: an example from a rural area in the Limpopo Province of South Africa. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:6305-6322. [PMID: 37296282 PMCID: PMC10403411 DOI: 10.1007/s10653-023-01551-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 03/24/2023] [Indexed: 06/12/2023]
Abstract
Geophagy is a common practice among rural population of the Fetakgomo Tubatse Local Municipality area in the Limpopo Province of South Africa. Although, the practice might be beneficial to the health of the consumers, its negative effects could overshadow the positive effects and might lead to detrimental health issues. The present work sought to investigate the geochemical composition as well as pH and organic matter (OM) content of geophagic materials commonly consumed in the study area. Furthermore, assessment of the potential health risk of the materials on geophagic individuals was also considered. Twelve samples were collected in the study area and analysed by X-ray Fluorescence (XRF) and Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) for major and trace elements composition. The results showed higher concentrations of non-essential elements (e.g., As, Cr, Pb) than the proposed recommended daily standards intake, suggesting a potential health risk. The alkaline nature (pH 6.80 to 9.22) of the studied samples might affect the bioacessibility of some essential elements. Furthermore, the OM content (> 0.7%) observed in some of the studied samples may retain pathogenic micro-organisms detrimental to health. Although As and Cr presented a low bioaccessible fraction (< 16.0%), health risk assessment revealed that their concentrations represented a hazard (HQ > 1) and might induce non-carcinogenic health threats to geophagic individuals. Based on the geochemical analysis, pH and OM content as well as health risk assessment findings, the studied geophagic materials are not considered suitable for human consumption. The practice should therefore be discouraged amongst the population in the study area to avoid possible detrimental health issues.
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Affiliation(s)
- Hassina Mouri
- Department of Geology, University of Johannesburg, Johannesburg, South Africa.
| | | | - Carla Candeias
- GeoBioTec Research Unit, Geosciences Department, University of Aveiro, 3810-193, Aveiro, Portugal
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Mlangeni AT, Chinthenga E, Kapito NJ, Namaumbo S, Feldmann J, Raab A. Safety of African grown rice: Comparative review of As, Cd, and Pb contamination in African rice and paddy fields. Heliyon 2023; 9:e18314. [PMID: 37519744 PMCID: PMC10375803 DOI: 10.1016/j.heliyon.2023.e18314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 07/07/2023] [Accepted: 07/13/2023] [Indexed: 08/01/2023] Open
Abstract
This review aimed to investigate the reported concentrations of arsenic (As), cadmium (Cd), and lead (Pb) in rice cultivated in Africa and African rice paddies compared to other regions. It also aimed to explore the factors influencing these concentrations and evaluate the associated health risks of elevated As, Cd, and Pb exposure. Relevant data were obtained from electronic databases such as PubMed, Scopus, and Google Scholar using specific keywords related to arsenic, cadmium, lead, rice, Africa, paddy, and grain. While the number of studies reporting the concentrations of As, Cd, and Pb in rice and rice paddies in Africa is relatively low compared to other regions, this review revealed that most of the African rice and paddy soils have low concentrations of these metals. However, some studies have reported elevated concentrations of As, Cd, and Pb in paddy fields, which is concerning due to the increased use of agrochemicals containing heavy metals in rice production. Nonetheless, agronomical interventions such as implementing alternate wetting and drying water management, cultivating cultivars with low accumulation of As, Cd, and Pb, amending rice fields with sorbents, and screening irrigation water can limit the bioaccumulation of these carcinogens in paddy fields using phytoremediation techniques. Therefore, we strongly urge African governments and organizations operating in Africa to enhance the capacity of rice farmers and extension officers in adopting approaches and practices that reduce the accumulation of these carcinogenic metals in rice. This is essential to achieve the sustainable development goal of providing safe food for all.
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Affiliation(s)
- Angstone Thembachako Mlangeni
- Department of Land and Water Resources, Natural Resources College, Lilongwe University of Agriculture and Natural Resources, Lilongwe, Malawi
| | - Evans Chinthenga
- Department of Land and Water Resources, Natural Resources College, Lilongwe University of Agriculture and Natural Resources, Lilongwe, Malawi
| | - Noel Jabesi Kapito
- Department of Land and Water Resources, Natural Resources College, Lilongwe University of Agriculture and Natural Resources, Lilongwe, Malawi
| | - Sydney Namaumbo
- Department of Land and Water Resources, Natural Resources College, Lilongwe University of Agriculture and Natural Resources, Lilongwe, Malawi
| | - Joerg Feldmann
- TESLA Analytical Chemistry, Institute of Chemistry, University of Graz, Austria
| | - Andrea Raab
- TESLA Analytical Chemistry, Institute of Chemistry, University of Graz, Austria
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Barbeș L, Bărbulescu A, Dumitriu CŞ. Human Health Risk Assessment to the Consumption of Medicinal Plants with Melliferous Potential from the Romanian South-Eastern Region. TOXICS 2023; 11:520. [PMID: 37368620 DOI: 10.3390/toxics11060520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 05/25/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023]
Abstract
This study presents the impact on human health by consuming medicinal herbs with high melliferous potential (HMPs) from botanical areas with different pollution levels. First, the bioaccumulation of the plants' parts has been determined. The study assessed the potential health risks associated with the ingestion of various mineral species (macroelements-K, Ca, Mg, Na; microelements-Fe, Mn, Cu, Zn, and one trace element Cd) from three types of HMPs (Sambucus nigra (SnL), Hypericum perforatum (Hp), and Tilia tomentosa (Tt)). The average concentrations of these elements were not similar even in the same type of HMPs. Nevertheless, all samples contained detectable levels of the studied elements. The average concentrations of the studied elements were very low (significantly lower than the legal limit set by the WHO). The study's findings indicated that the potential health risks associated with ingesting the elements in HMPs were within acceptable limits for children and adults. The hazard quotient (HQ) for Fe, Mn, Cu, Zn, and Cd and the hazard index (HI) for the minerals from HMPs were significantly lower than the acceptable limit (HQ and HI = 1). Similarly, the carcinogenic risk for chemical substances (Riskccs) were lower than or close to the acceptable limit (1 × 10-4).
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Affiliation(s)
- Lucica Barbeș
- Department of Chemistry and Chemical Engineering, "Ovidius" University of Constanța, 124 Mamaia Bd., 900112 Constanta, Romania
- Doctoral School of Biotechnical Systems Engineering, Politehnica University of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania
| | - Alina Bărbulescu
- Department of Civil Engineering, Transilvania University of Brașov, 5 Turnului Str., 900152 Brasov, Romania
| | - Cristian Ştefan Dumitriu
- Faculty of Mechanical and Robotic Engineering in Construction, Technical University of Civil Engineering of Bucharest, 124 Lacul Tei Av., 020396 Bucharest, Romania
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Taghizadeh SF, Azizi M, Hassanpourfard G, Rezaee R, Karimi G. Assessment of Carcinogenic and Non-carcinogenic Risk of Exposure to Metals via Consumption of Coffee, Tea, and Herbal Tea in Iranians. Biol Trace Elem Res 2023; 201:1520-1537. [PMID: 35462590 DOI: 10.1007/s12011-022-03239-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 04/07/2022] [Indexed: 02/07/2023]
Abstract
In the current study, we assessed health risk posed to Iranian consumers through exposure to metals via oral consumption of coffee, tea, and herbal tea of various trademarks collected from Iran market. Level of As, Cd, Cr, Cu, Fe, Hg, Ni, and Pb in 243 samples was quantified by inductively coupled plasma-optical emission spectrometry (ICP-OES). The metal levels in coffee samples from different trademarks of a specific country had statistically similar levels of metals; however, metal levels differed significantly among brand names form different countries. Metal levels in tea samples differed significantly between domestic and imported products, while different trademarks of similar countries did not show significant variations in this respect. Metal level in herbal tea samples did not show significant variations among different trademarks. Nevertheless, it should be highlighted that mean concentrations of metals statistically differed among different herbal tea samples. Deterministic hazard quotients (HQs) were <1.0 for all non-carcinogenic metals and total hazard index (HI) values indicated no risk; however, probabilistic assessment calculated HI values >1. In both deterministic and probabilistic scenarios, carcinogenic metals As and Ni had an estimated incremental lifetime cancer risk (ILCR) of medium level while that of Pb indicated no cancer risk. Sensitivity analysis showed that the concentration of metals had the most significant effect on non-carcinogenic and carcinogenic risks.
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Affiliation(s)
- Seyedeh Faezeh Taghizadeh
- Department of Horticultural Sciences, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Azizi
- Department of Horticultural Sciences, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Giti Hassanpourfard
- Department of Horticultural Sciences, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Ramin Rezaee
- International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, P. O. Box, Mashhad, 1365-91775, Iran.
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Gholamreza Karimi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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Habibollahi MH, Sharafi K, Omer AK. Analysis of Minerals and Toxic Elements in Commonly Consumed Herbal Medicines in Zahedan, Iran, and Associated Human Health Risk Assessment. J Food Prot 2022; 85:1797-1806. [PMID: 36173919 DOI: 10.4315/jfp-22-173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 09/25/2022] [Indexed: 11/11/2022]
Abstract
ABSTRACT Herbal medicines (HMDs) are widely used in some countries. However, a consumer's health may be threatened when pollutants are present in HMDs and a high quantity of these medications is consumed. This work was conducted to evaluate the accumulation of toxic elements and the potential human health risks associated with high consumption of HMDs in Zahedan, Iran. In this study, 15 brands of popular HMDs were selected from five pharmacies. In each pharmacy, three HMD samples were randomly chosen, for a total of 225 samples, and evaluated for 11 elements. Inductively coupled plasma-optical emission spectrometry was used to analyze cadmium (Cd), lead (Pb), nickel (Ni), chromium (Cr), copper (Cu), iron (Fe), zinc (Zn), manganese (Mn), and aluminum (Al) in each sample. Total arsenic (As) and mercury (Hg) were measured by atomic absorption spectrometry. The human health risk of each element from ingestion of each HMD was estimated. The mean concentrations of these elements in different types of HMDs were highly variable and significantly different within the same type of HMD (P < 0.001). All samples contained detectable concentrations of target elements. However, the mean concentrations of each element in all HMDs were significantly lower than the legal limit published by the World Health Organization. The outcomes of this work indicated that for both children and adults, the target hazard quotient (THQ) for each metal and the hazard index (HI) for all metals in all types of HMDs were significantly lower than the acceptable limit (THQ and HI = 1). The incremental lifetime cancer risk (ILCR) for each carcinogenic metal and the total carcinogenic risk (TCR) for all carcinogenic metals also were lower than the acceptable limit (ILCR and TCR = 10-4). HIGHLIGHTS
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Affiliation(s)
| | - Kiomars Sharafi
- Research Center for Environmental Determinants of Health (RCEDH), Research Institute for Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Abdullah Khalid Omer
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.,Razga Company, Kurdistan Region, Iraq
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Hlihor RM, Roșca M, Hagiu-Zaleschi L, Simion IM, Daraban GM, Stoleru V. Medicinal Plant Growth in Heavy Metals Contaminated Soils: Responses to Metal Stress and Induced Risks to Human Health. TOXICS 2022; 10:toxics10090499. [PMID: 36136464 PMCID: PMC9504071 DOI: 10.3390/toxics10090499] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 05/31/2023]
Abstract
Accelerating heavy metal pollution is a hot issue due to a continuous growth in consumerism and increased activities in various global industries. Soil contamination with heavy metals has resulted in their incorporation into the human food web via plant components. Accumulation and amplification of heavy metals in human tissues through the consumption of medicinal plants can have hazardous health outcomes. Therefore, in this critical review we aim to bring together published information on this subject, with a special highlight on the knowledge gaps related to heavy metal stress in medicinal plants, their responses, and human health related risks. In this respect, this review outlines the key contamination sources of heavy metals in plants, as well as the absorption, mobilization and translocation of metal ions in plant compartments, while considering their respective mechanisms of detoxification. In addition, this literature review attempts to highlight how stress and defensive strategies operate in plants, pointing out the main stressors, either biotic or abiotic (e.g., heavy metals), and the role of reactive oxygen species (ROS) in stress answers. Finally, in our research, we further aim to capture the risks caused by heavy metals in medicinal plants to human health through the assessment of both a hazard quotient (HQ) and hazard index (HI).
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Affiliation(s)
- Raluca Maria Hlihor
- Department of Horticultural Technologies, Faculty of Horticulture, “Ion Ionescu de la Brad” Iasi University of Life Sciences, 3 Mihail Sadoveanu Alley, 700490 Iasi, Romania
| | - Mihaela Roșca
- Department of Horticultural Technologies, Faculty of Horticulture, “Ion Ionescu de la Brad” Iasi University of Life Sciences, 3 Mihail Sadoveanu Alley, 700490 Iasi, Romania
| | - Laura Hagiu-Zaleschi
- Department of Horticultural Technologies, Faculty of Horticulture, “Ion Ionescu de la Brad” Iasi University of Life Sciences, 3 Mihail Sadoveanu Alley, 700490 Iasi, Romania
| | - Isabela Maria Simion
- Department of Horticultural Technologies, Faculty of Horticulture, “Ion Ionescu de la Brad” Iasi University of Life Sciences, 3 Mihail Sadoveanu Alley, 700490 Iasi, Romania
| | - Gabriel Mihăiță Daraban
- Department of Organic, Biochemical and Food Engineering, “Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iasi, 73 Prof. D. Mangeron Blvd., 700050 Iasi, Romania
| | - Vasile Stoleru
- Department of Horticultural Technologies, Faculty of Horticulture, “Ion Ionescu de la Brad” Iasi University of Life Sciences, 3 Mihail Sadoveanu Alley, 700490 Iasi, Romania
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11
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Nilkarnjanakul W, Watchalayann P, Chotpantarat S. Spatial distribution and health risk assessment of As and Pb contamination in the groundwater of Rayong Province, Thailand. ENVIRONMENTAL RESEARCH 2022; 204:111838. [PMID: 34425115 DOI: 10.1016/j.envres.2021.111838] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 06/16/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
This study investigates the presence of arsenic (As) and lead (Pb) in groundwater and their spatial distribution in Ban Khai District, Rayong Province, Thailand. Forty groundwater samples were collected at different locations in the dry and wet seasons during March and August of 2019, respectively. The hydrochemical facies illustrate that the major groundwater types in both seasons mainly consisted of Ca-Na-HCO3, Ca-HCO3-Cl and Na-HCO3 types. The concentration of As ranged from <0.300 to 183.00 μg/L, accounting for 22% (18 of 80 samples), exceeding the WHO guidelines of 10 μg/L. The spatial distribution of As was distinctly predominant as a hot spot in some areas during the wet season. The wells may have been contaminated from human activity and thus constituted a point source in the adjacent area. For Pb, its concentration in all the wells were not exceeded 10 μg/L of the WHO guidelines, appearing as a background concentration in this area. Most of the wells were shown to be in an oxidation state, supporting AsV mobility. Moreover, the area also had a nearly neutral pH that promoted AsV desorption, while the presence of undissolved Pb in the aquifers tended to increase. Furthermore, chemical applications to agricultural processes could release the As composition into the groundwater. The health risk resulting from oral consumption was at a higher risk level than dermal contact. The non-carcinogenic risk affecting the adult population exceeded the threshold level by approximately 27.5% of the wells, while for the children group, the risk level was within the limit. Total cancer risk (TCR) of adult residents exceeded the acceptable risk level (1 × 10-6) in all wells, causing carcinogenic health effects. Therefore, health surveillance is important in monitoring the toxic effects on the local residents who use groundwater from these contaminated wells. Furthermore, a sanitation service and an alternative treatment of the water supply will be needed, especially in wells with high As levels.
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Affiliation(s)
- Wiyada Nilkarnjanakul
- Faculty of Public Health, Thammasat University, Rangsit Campus, Pathum Thani, 12121, Thailand.
| | - Pensri Watchalayann
- Faculty of Public Health, Thammasat University, Rangsit Campus, Pathum Thani, 12121, Thailand.
| | - Srilert Chotpantarat
- Department of Geology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Research Program on Controls of Hazardous Contaminants in Raw Water Resources for Water Scarcity Resilience, Center of Excellence on Hazardous Substance Management (HSM), Chulalongkorn University, Thailand; Research Unit Control of Emerging Micropollutants in Environment, Chulalongkorn University, 10330, Thailand.
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Bashir Sulaiman M, Santuraki A, Adamu A, Ezenobid U, Gimba A, Akinlotan O. Concentrations and Health Risk Assessment of Potentially Toxic Elements in Medicinal Herbs from Northern Nigeria. FRENCH-UKRAINIAN JOURNAL OF CHEMISTRY 2022. [DOI: 10.17721/fujcv10i2p9-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023] Open
Abstract
The concentrations of potentially toxic elements (Fe, Cd, Pb, Cu, Ni, Cr, and Zn) in most consumed medicinal herbs in Northern Nigeria were analyzed using Atomic Absorption Spectrometry (AAS). Twenty medicinal herbs were selected and purchased from the local markets. The findings of the study revealed that the investigated herb samples contained considerable levels of elements; Cu, Fe, Pb, Cd, and Cr above the permissible limits. The health risk observed as hazard index (HI) indicated that values were >1, in some samples. Therefore, the consumption of these studied medicinal herbs should be monitored to prevent the health implication due to a high level of these elements in the medicinal herbs.
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Ring G, Sheehan A, Lehane M, Furey A. Development, Validation and Application of an ICP-SFMS Method for the Determination of Metals in Protein Powder Samples, Sourced in Ireland, with Risk Assessment for Irish Consumers. Molecules 2021; 26:4347. [PMID: 34299622 PMCID: PMC8308007 DOI: 10.3390/molecules26144347] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 11/16/2022] Open
Abstract
A method has been developed, optimised and validated to analyse protein powder supplements on an inductively coupled plasma-sector field mass spectrometer (ICP-SFMS), with reference to ICH Guideline Q2 Validation of Analytical Procedures: Text and Methodology. This method was used in the assessment of twenty-one (n = 21) elements (Al, Au, Ba, Be, Bi, Cd, Co, Cr, Cu, Fe, Hg, Li, Mg, Mn, Mo, Pb, Pt, Sn, Ti, Tl, V) to evaluate the safety of thirty-six (n = 36) protein powder samples that were commercially available in the Irish marketplace in 2016/2017. Using the determined concentrations of elements in samples (µg·kg-1), a human health risk assessment was carried out to evaluate the potential carcinogenic and other risks to consumers of these products. While the concentrations of potentially toxic elements were found to be at acceptable levels, the results suggest that excessive and prolonged use of some of these products may place consumers at a slightly elevated risk for developing cancer or other negative health impacts throughout their lifetimes. Thus, the excessive use of these products is to be cautioned, and consumers are encouraged to follow manufacturer serving recommendations.
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Affiliation(s)
- Gavin Ring
- Mass Spectrometry Group (MSG), Department of Physical Sciences, Munster Technological University (MTU), Rossa Avenue, Bishopstown, T12 P928 Cork, Ireland; (G.R.); (A.S.); (M.L.)
| | - Aisling Sheehan
- Mass Spectrometry Group (MSG), Department of Physical Sciences, Munster Technological University (MTU), Rossa Avenue, Bishopstown, T12 P928 Cork, Ireland; (G.R.); (A.S.); (M.L.)
| | - Mary Lehane
- Mass Spectrometry Group (MSG), Department of Physical Sciences, Munster Technological University (MTU), Rossa Avenue, Bishopstown, T12 P928 Cork, Ireland; (G.R.); (A.S.); (M.L.)
| | - Ambrose Furey
- Mass Spectrometry Group (MSG), Department of Physical Sciences, Munster Technological University (MTU), Rossa Avenue, Bishopstown, T12 P928 Cork, Ireland; (G.R.); (A.S.); (M.L.)
- CREATE (Centre for Research in Advanced Therapeutic Engineering) and BioExplore, Munster Technological University (MTU), Rossa Avenue, Bishopstown, T12 P928 Cork, Ireland
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