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Moulya KP, Manjunatha JG, Osman SM, Ataollahi N. A novel and efficient voltammetric sensor for the simultaneous determination of alizarin red S and tartrazine by using poly(leucine) functionalized carbon paste electrode. J Environ Sci Health A Tox Hazard Subst Environ Eng 2024; 59:103-112. [PMID: 38613456 DOI: 10.1080/10934529.2024.2339160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 03/27/2024] [Indexed: 04/15/2024]
Abstract
In the current work, a rapid, selective, and sensitive technique was developed for the detection of Alizarin Red S (ARS) by applying poly leucine modified carbon paste electrode (PLMCPE). Electrochemical impedance spectroscopy (EIS) and Scanning electron microscopy (SEM) were utilized to study the surface morphology of unmodified carbon paste electrode (UMCPE) and PLMCPE. The active surface area for UMCPE and PLMCPE was found to be 0.0012 cm2 and 0.0026 cm2 respectively. The electrochemical response of ARS at UMCPE and PLMCPE was analyzed using cyclic voltammetry (CV) in the potential window of 0.4 to 1.0 V. The cyclic voltammogram obtained for varying the pH of 0.2 M phosphate buffer (PB) solution showed maximum current for the oxidation of ARS at pH 6.5. The electrochemical reaction of ARS was found to be irreversible and adsorption controlled. The effect of variation of concentration of ARS on the oxidation peak current was evaluated using CV and linear scan voltammetry (LSV). A linear relationship between the concentration variation and current was obtained in the linear range of 1.5 μM-3.5 μM and 0.2 μM-5.0 μM for CV and LSV respectively. The limit of detection (LOD) of 0.68 μM for the CV method and 0.29 μM for the LSV method was exhibited by the developed sensor. The simultaneous study of ARS along with tartrazine (TZ) showed good selectivity for ARS. The interferents of foreign molecules showed no effect on the selectivity of the electrode. The applicability of PLMCPE on real samples gave good recovery ranging from 97.46-101.2%; hence, the sensor can be utilized on real samples. The developed sensor has good stability and sensitivity.
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Affiliation(s)
- Karnayana Prasad Moulya
- Department of Chemistry, FMKMC College, Mangalore University Constituent College, Madikeri, Karnataka, India
| | - Jamballi G Manjunatha
- Department of Chemistry, FMKMC College, Mangalore University Constituent College, Madikeri, Karnataka, India
| | - Sameh M Osman
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Narges Ataollahi
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy
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Silva CS, Tonelli FMP, Delgado VMS, Lourenço VDO, Pinto GDC, Azevedo LS, Lima LARDS, Furtado CA, Ferreira DRC, Tonelli FCP, Parreira AG. Nanoremediation and Antioxidant Potential of Biogenic Silver Nanoparticles Synthesized Using Leucena's Leaves, Stem, and Fruits. Int J Mol Sci 2024; 25:3993. [PMID: 38612800 PMCID: PMC11012344 DOI: 10.3390/ijms25073993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 03/19/2024] [Accepted: 03/31/2024] [Indexed: 04/14/2024] Open
Abstract
Synthetic dyes are persistent organic environmental pollutants that can cause extensive damage to living beings and to the ecosystem as a whole. Cost-effective, sustainable, and efficient strategies to deal with this type of pollution are necessary as it commonly resists conventional water treatment methods. Silver nanoparticles (AgNPs) synthesized using the aqueous extract from the leaves, stem, and fruits of Leucaena leucocephala (Leucena) were produced and characterized through UV-vis, TEM, EDS, SDL, XPS, XRD, and zeta potential, and they proved to be able to promote adsorption to remediate methylene blue and tartrazine pollution in water. The nanoremediation was performed and did not require direct exposure to sunlight or any special lamp or a specific reduction agent. The AgNPs produced using the extract from the leaves exhibited the best performance in nanoremediation and also presented antioxidant activity that surpassed the one from butylated hydroxytoluene (BHT). Consequently, it is an interesting nanotool to use in dye nanoremediation and/or as an antioxidant nanostructure.
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Affiliation(s)
- Christopher Santos Silva
- Biotechnological Processes Laboratory, Centro-Oeste Campus, Federal University of São João del-Rei, Divinópolis 35501-296, MG, Brazil; (C.S.S.); (V.M.S.D.); (V.d.O.L.); (G.d.C.P.); (F.C.P.T.)
| | - Fernanda Maria Policarpo Tonelli
- Biotechnological Processes Laboratory, Centro-Oeste Campus, Federal University of São João del-Rei, Divinópolis 35501-296, MG, Brazil; (C.S.S.); (V.M.S.D.); (V.d.O.L.); (G.d.C.P.); (F.C.P.T.)
| | - Vinicius Marx Silva Delgado
- Biotechnological Processes Laboratory, Centro-Oeste Campus, Federal University of São João del-Rei, Divinópolis 35501-296, MG, Brazil; (C.S.S.); (V.M.S.D.); (V.d.O.L.); (G.d.C.P.); (F.C.P.T.)
| | - Vitória de Oliveira Lourenço
- Biotechnological Processes Laboratory, Centro-Oeste Campus, Federal University of São João del-Rei, Divinópolis 35501-296, MG, Brazil; (C.S.S.); (V.M.S.D.); (V.d.O.L.); (G.d.C.P.); (F.C.P.T.)
| | - Geicielly da Costa Pinto
- Biotechnological Processes Laboratory, Centro-Oeste Campus, Federal University of São João del-Rei, Divinópolis 35501-296, MG, Brazil; (C.S.S.); (V.M.S.D.); (V.d.O.L.); (G.d.C.P.); (F.C.P.T.)
| | - Lucas Santos Azevedo
- Phytochemistry Laboratory, Centro-Oeste Campus, Federal University of São João del-Rei, Divinópolis 35501-296, MG, Brazil; (L.S.A.); (L.A.R.d.S.L.)
| | | | - Clascídia Aparecida Furtado
- Carbon Nanostructure Chemistry Laboratory, Nuclear Technology Development Center (CDTN), Belo Horizonte 31270-901, MG, Brazil; (C.A.F.); (D.R.C.F.)
| | - Danilo Roberto Carvalho Ferreira
- Carbon Nanostructure Chemistry Laboratory, Nuclear Technology Development Center (CDTN), Belo Horizonte 31270-901, MG, Brazil; (C.A.F.); (D.R.C.F.)
| | - Flávia Cristina Policarpo Tonelli
- Biotechnological Processes Laboratory, Centro-Oeste Campus, Federal University of São João del-Rei, Divinópolis 35501-296, MG, Brazil; (C.S.S.); (V.M.S.D.); (V.d.O.L.); (G.d.C.P.); (F.C.P.T.)
| | - Adriano Guimarães Parreira
- Protein Chemistry Laboratory, Centro-Oeste Campus, Federal University of São João del-Rei, Divinópolis 35501-296, MG, Brazil;
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Nasri A, Pohjanvirta R. Comparison of in vitro Toxicities of 8-Prenylnaringenin, Tartrazine and 17β-Estradiol, Representatives of Natural and Synthetic Estrogens, in Rat and Human Hepatoma Cell Lines. Endocr Res 2024; 49:106-116. [PMID: 38597376 DOI: 10.1080/07435800.2024.2337758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 03/27/2024] [Indexed: 04/11/2024]
Abstract
BACKGROUND Phytoestrogens have been praised for their beneficial health effects, whereas synthetic xenoestrogens have been connected to ailments. AIMS To ascertain whether the toxicities of natural and synthetic estrogens differ, we examined the potent phytoestrogen 8-prenylnaringenin (8-PN), the common synthetic xenoestrogen tartrazine, and the physiological estrogen 17β-estradiol (E2). METHODS These three compounds were tested for cytotoxicity, cell proliferation and genotoxicity in human HepG2 and rat H4IIE hepatoma cells. RESULTS All three estrogens elicited cytotoxicity at high concentrations in both cell lines. They also inhibited cell proliferation, with E2 being the most effective. They all tended to increase micronuclei formation. CONCLUSION Natural estrogens were no less toxic than a synthetic one.
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Affiliation(s)
- Atefeh Nasri
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS, Canada
| | - Raimo Pohjanvirta
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Zand A, Enkhbilguun S, Macharia JM, Budán F, Gyöngyi Z, Varjas T. Tartrazine Modifies the Activity of DNMT and HDAC Genes-Is This a Link between Cancer and Neurological Disorders? Nutrients 2023; 15:2946. [PMID: 37447272 DOI: 10.3390/nu15132946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 06/24/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
In recent years, artificial additives, especially synthetic food colorants, were found to demonstrate wider properties compared to their natural equivalents; however, their health impact is still not totally mapped. Our study aimed to determine the long-term (30 and 90 days) exposure effect of one of the commonly used artificial food colorants, tartrazine, on NMRI mice. The applied dose of tartrazine referred to the human equivalent dose for acceptable daily intake (ADI). Further, we evaluated its impact on the transcription of a range of epigenetic effectors, members of the DNA methyltransferase (DNMT) as well as histone deacetylase (HDAC) families. Following the exposure, organ biopsies were collected from the lungs, kidneys, liver, and spleen, and the gene expression levels were determined by real-time quantitative reverse transcription PCR (RT-qPCR). Our results demonstrated significant upregulation of genes in the tested organs in various patterns followed by the intake of tartrazine on ADI. Since DNMT and HDAC genes are involved in different steps of carcinogenesis, have roles in the development of neurological disorders and the effect of dose of everyday exposure is rarely studied, further investigation is warranted to study these possible associations.
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Affiliation(s)
- Afshin Zand
- Department of Public Health Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary
| | - Sodbuyan Enkhbilguun
- Department of Public Health Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary
| | - John M Macharia
- Doctoral School of Health Sciences, Faculty of Health Science, University of Pécs, H-7621 Pécs, Hungary
| | - Ferenc Budán
- Institute of Transdisciplinary Discoveries, Medical School, University of Pécs, H-7624 Pécs, Hungary
- Institute of Physiology, Medical School, University of Pécs, H-7624 Pécs, Hungary
| | - Zoltán Gyöngyi
- Department of Public Health Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary
| | - Timea Varjas
- Department of Public Health Medicine, Medical School, University of Pécs, H-7624 Pécs, Hungary
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Jacinto C, Maza Mejía I, Khan S, López R, Sotomayor MDPT, Picasso G. Using a Smartphone-Based Colorimetric Device with Molecularly Imprinted Polymer for the Quantification of Tartrazine in Soda Drinks. Biosensors (Basel) 2023; 13:639. [PMID: 37367004 DOI: 10.3390/bios13060639] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/28/2023]
Abstract
The present study reports the development and application of a rapid, low-cost in-situ method for the quantification of tartrazine in carbonated beverages using a smartphone-based colorimetric device with molecularly imprinted polymer (MIP). The MIP was synthesized using the free radical precipitation method with acrylamide (AC) as the functional monomer, N,N'-methylenebisacrylamide (NMBA) as the cross linker, and potassium persulfate (KPS) as radical initiator. The smartphone (RadesPhone)-operated rapid analysis device proposed in this study has dimensions of 10 × 10 × 15 cm and is illuminated internally by light emitting diode (LED) lights with intensity of 170 lux. The analytical methodology involved the use of a smartphone camera to capture images of MIP at various tartrazine concentrations, and the subsequent application of the Image-J software to calculate the red, green, blue (RGB) color values and hue, saturation, value (HSV) values from these images. A multivariate calibration analysis of tartrazine in the range of 0 to 30 mg/L was performed, and the optimum working range was determined to be 0 to 20 mg/L using five principal components and a limit of detection (LOD) of 1.2 mg/L was obtained. Repeatability analysis of tartrazine solutions with concentrations of 4, 8, and 15 mg/L (n = 10) showed a coefficient of variation (% RSD) of less than 6%. The proposed technique was applied to the analysis of five Peruvian soda drinks and the results were compared with the UHPLC reference method. The proposed technique showed a relative error between 6% and 16% and % RSD lower than 6.3%. The results of this study demonstrate that the smartphone-based device is a suitable analytical tool that offers an on-site, cost-effective, and rapid alternative for the quantification of tartrazine in soda drinks. This color analysis device can be used in other molecularly imprinted polymer systems and offers a wide range of possibilities for the detection and quantification of compounds in various industrial and environmental matrices that generate a color change in the MIP matrix.
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Affiliation(s)
- Christian Jacinto
- Laboratory of Instrumental Analysis Environment, Faculty of Sciences, National University of Engineering, Av. Tupac Amaru 210, Rimac 15333, Lima, Peru
- Technology of Materials for Environmental Remediation Group (TecMARA), Faculty of Sciences, National University of Engineering, Av. Tupac Amaru 210, Rimac 15333, Lima, Peru
| | - Ily Maza Mejía
- Laboratory of Instrumental Analysis Environment, Faculty of Sciences, National University of Engineering, Av. Tupac Amaru 210, Rimac 15333, Lima, Peru
- Technology of Materials for Environmental Remediation Group (TecMARA), Faculty of Sciences, National University of Engineering, Av. Tupac Amaru 210, Rimac 15333, Lima, Peru
| | - Sabir Khan
- Laboratory of Instrumental Analysis Environment, Faculty of Sciences, National University of Engineering, Av. Tupac Amaru 210, Rimac 15333, Lima, Peru
- Technology of Materials for Environmental Remediation Group (TecMARA), Faculty of Sciences, National University of Engineering, Av. Tupac Amaru 210, Rimac 15333, Lima, Peru
- Chemistry Institute-Araraquara-SP, São Paulo State University (UNESP), Araraquara 14801-900, Brazil
- Department of Natural Sciences, Mathematics, and Statistics, Federal Rural University of the Semi-Arid, Mossoro 59625-900, Brazil
| | - Rosario López
- Laboratory of Instrumental Analysis Environment, Faculty of Sciences, National University of Engineering, Av. Tupac Amaru 210, Rimac 15333, Lima, Peru
- Technology of Materials for Environmental Remediation Group (TecMARA), Faculty of Sciences, National University of Engineering, Av. Tupac Amaru 210, Rimac 15333, Lima, Peru
| | - Maria D P T Sotomayor
- Chemistry Institute-Araraquara-SP, São Paulo State University (UNESP), Araraquara 14801-900, Brazil
| | - Gino Picasso
- Technology of Materials for Environmental Remediation Group (TecMARA), Faculty of Sciences, National University of Engineering, Av. Tupac Amaru 210, Rimac 15333, Lima, Peru
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Marin NM, Dolete G, Motelica L, Trusca R, Oprea OC, Ficai A. Preparation of Eco-Friendly Chelating Resins and Their Applications for Water Treatment. Polymers (Basel) 2023; 15:polym15102251. [PMID: 37242827 DOI: 10.3390/polym15102251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/03/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
In the present study, two chelating resins were prepared and used for simultaneous adsorption of toxic metal ions, i.e., Cr3+, Mn2+, Fe3+, Co2+, Ni2+, Cu2+, Zn2+, Cd2+, and Pb2+ (MX+). In the first step, chelating resins were prepared starting with styrene-divinylbenzene resin, a strong basic anion exchanger Amberlite IRA 402(Cl-) with two chelating agents, i.e., tartrazine (TAR) and amido black 10B (AB 10B). Key parameters such as contact time, pH, initial concentration, and stability were evaluated for the obtained chelating resins (IRA 402/TAR and IRA 402/AB 10B). The obtained chelating resins show excellent stability in 2M HCl, 2M NaOH, and also in ethanol (EtOH) medium. The stability of the chelating resins decreased when the combined mixture (2M HCl:EtOH = 2:1) was added. The above-mentioned aspect was more evident for IRA 402/TAR compared to IRA 402/AB 10B. Taking into account the higher stability of the IRA 402/TAR and IRA 402/AB 10B resins, in a second step, adsorption studies were carried out on complex acid effluents polluted with MX+. The adsorption of MX+ from an acidic aqueous medium on the chelating resins was evaluated using the ICP-MS method. The following affinity series under competitive analysis for IRA 402/TAR was obtained: Fe3+(44 µg/g) > Ni2+(39.8 µg/g) > Cd2+(34 µg/g) > Cr3+(33.2 µg/g) > Pb2+(32.7 µg/g) > Cu2+ (32.5 µg/g) > Mn2+(31 µg/g) > Co2+(29 µg/g) > Zn2+ (27.5 µg/g). While for IRA 402/AB 10B, the following behavior was observed: Fe3+(58 µg/g) > Ni2+(43.5 µg/g) > Cd2+(43 µg/g) > Cu2+(38 µg/g) > Cr3+(35 µg/g) > Pb2+(34.5 µg/g) > Co2+(32.8 µg/g) > Mn2+(33 µg/g) > Zn2+(32 µg/g), consistent with the decreasing affinity of MX+ for chelate resin. The chelating resins were characterized using TG, FTIR, and SEM analysis. The obtained results showed that the chelating resins prepared have promising potential for wastewater treatment in the context of the circular economy approach.
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Affiliation(s)
- Nicoleta Mirela Marin
- National Research and Development Institute for Industrial Ecology ECOIND, Street Podu Dambovitei no. 57-73, District 6, 060652 Bucharest, Romania
- Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania
| | - Georgiana Dolete
- Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania
- National Center for Micro and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Ludmila Motelica
- National Center for Micro and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Roxana Trusca
- National Center for Micro and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Ovidiu Cristian Oprea
- National Center for Micro and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania
- Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania
- Academy of Romanian Scientists, Ilfov Street 3, 050044 Bucharest, Romania
| | - Anton Ficai
- Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania
- National Center for Micro and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania
- Academy of Romanian Scientists, Ilfov Street 3, 050044 Bucharest, Romania
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Vu AT, Mac VH, Nguyen TH, Nguyen TH. Preparation of carnation-like Ag-ZnO composites for enhanced photocatalysis under visible light. Nanotechnology 2023; 34:275602. [PMID: 37015211 DOI: 10.1088/1361-6528/acca24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 04/04/2023] [Indexed: 06/19/2023]
Abstract
Carnation-like ZnO was synthesized by the facile precipitation method (at room temperature and in 120 min) to decompose dyes in an aqueous medium. The carnation-like ZnO had a stratified porous structure with a size of about 2-3μm, its petals had a smooth surface with a thickness of 5-10 nm and a width of about 300-500 nm. Ag-ZnO composites were synthesized using glucose with the assistance of PVP. The morphology of Ag-ZnO composites was almost unchanged compared to ZnO. Where, the Ag nanoparticles in the size range of 5-15 nm were uniformly dispersed on the ZnO petals, improving the catalytic ability of the composites in tartrazine (TA) degradation. The influence of Ag content on catalytic structure and performance of composite was studied. The 5Ag-ZnO sample had the highest BET surface area and pore volume and the lowest gap energy (Eg) among the as-synthesized samples. The 5Ag-ZnO sample proclaimed the degradation efficiency in 70 min of 97.8% and thekapof 0.031 min-1. The influences of catalyst content, solution pH, and concentration of dye on the photodegradation efficiency of the composite were thoroughly studied. Besides, the photocatalytic activity of the composite was demonstrated by degrading various organic substances and reusability. In addition, it was compared to a metal-semiconductor catalyst of Au-ZnO and semiconductor-semiconductor catalysts of MoS2-ZnO, Cu2O-ZnO, and SiO2-ZnO. The catalytic mechanism under visible light was proposed.
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Affiliation(s)
- Anh-Tuan Vu
- School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Van Hung Mac
- School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Thanh Hung Nguyen
- School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Thu Huong Nguyen
- School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam
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Ziyatdinova G, Titova M, Davletshin R. Electropolymerized 4-Aminobenzoic Acid Based Voltammetric Sensor for the Simultaneous Determination of Food Azo Dyes. Polymers (Basel) 2022; 14. [PMID: 36559795 DOI: 10.3390/polym14245429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/01/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
Electrochemical sensors with polymeric films as a sensitive layer are of high interest in current electroanalysis. A voltammetric sensor based on multi-walled carbon nanotubes (MWCNTs) and electropolymerized 4-aminobenzoic acid (4-ABA) has been developed for the simultaneous determination of synthetic food azo dyes (sunset yellow FCF and tartrazine). Based on the voltammetric response of the dyes' mixture, the optimal conditions of electropolymerization have been found to be 30-fold potential scanning between -0.3 and 1.5 V, at 100 mV s-1 in the 100 µmol L-1 monomer solution in phosphate buffer pH 7.0. The poly (4-ABA)-based electrode shows a 10.5-fold increase in its effective surface area and a 17.2-fold lower electron transfer resistance compared to the glassy carbon electrode (GCE). The sensor gives a sensitive and selective response to sunset yellow FCF and tartrazine, with the peak potential separation of 232 mV in phosphate buffer pH 4.8. The electrooxidation parameters of dyes have been calculated. Simultaneous quantification is possible in the dynamic ranges of 0.010-0.75 and 0.75-5.0 µmol L-1 for both dyes, with detection limits of 2.3 and 3.0 nmol L-1 for sunset yellow FCF and tartrazine, respectively. The sensor has been tested on orange-flavored drinks and validated with chromatography.
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Sadowska B, Gawinowska M, Sztormowska M, Chełmińska M. Hypersensitivity of azo dyes in urticaria patients based on a single-blind, placebo-controlled oral challenge. Postepy Dermatol Alergol 2022; 39:877-879. [PMID: 36457667 PMCID: PMC9704453 DOI: 10.5114/ada.2021.110263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 07/25/2021] [Indexed: 02/03/2024] Open
Abstract
INTRODUCTION The role of azo dyes in urticaria is not fully understood. AIM To assess the incidence rate of hypersensitivity reactions to food azo dyes based on a placebo-controlled oral challenge in a group of patients with suspected urticaria exacerbation after consuming food additives. MATERIAL AND METHODS The study included patients over 18 years of age with chronic urticaria, in whom hypersensitivity to food additives was suspected based on a questionnaire and medical history. Patients suspected of urticaria exacerbations after ingestion of azo dyes were enrolled in a placebo-controlled single-blind oral challenge (OC) with a mixture of azo food dyes: tartrazine, Quinoline Yellow, Sunset Yellow, Cochineal Red, Allura Red, and azorubine. RESULTS Out of 110 patients (76 women and 34 men, mean age 46.1 (20-76 years), 39 patients were qualified for the oral challenge. We observed two subjects (5.1%) with a positive result. CONCLUSIONS Azo dyes ingested in food or medications incidentally cause urticaria but may exacerbate its course. Oral challenge-confirmed hypersensitivity to azo dyes is much less common than reported by patients.
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Affiliation(s)
- Beata Sadowska
- Department of Allergology, Medical University of Gdansk, Gdansk, Poland
| | - Marika Gawinowska
- Department of Allergology, Medical University of Gdansk, Gdansk, Poland
| | | | - Marta Chełmińska
- Department of Allergology, Medical University of Gdansk, Gdansk, Poland
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Stegarescu A, Cabrera H, Budasheva H, Soran ML, Lung I, Limosani F, Korte D, Amati M, Borodi G, Kacso I, Opriş O, Dan M, Bellucci S. Synthesis and Characterization of MWCNT-COOH/Fe 3O 4 and CNT-COOH/Fe 3O 4/NiO Nanocomposites: Assessment of Adsorption and Photocatalytic Performance. Nanomaterials (Basel) 2022; 12:3008. [PMID: 36080044 PMCID: PMC9457809 DOI: 10.3390/nano12173008] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/22/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
In this study the adsorption and photodegradation capabilities of modified multi-walled carbon nanotubes (MWCNTs), using tartrazine as a model pollutant, is demonstrated. MWCNT-COOH/Fe3O4 and MWCNT-COOH/Fe3O4/NiO nanocomposites were prepared by precipitation of metal oxides in the presence of MWCNTs. Their properties were examined by X-ray diffraction in powder (XRD), Fourier-transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM), scanning electron microscopy (SEM), Raman spectroscopy, synchrotron-based Scanning PhotoElectron Microscopy (SPEM), and Brunauer-Emmett-Teller (BET) analysis. It was found that the optimal adsorption conditions were pH 4 for MWCNT-COOH/Fe3O4 and pH 3 for MWCNT-COOH/Fe3O4/NiO, temperature 25 °C, adsorbent dose 1 g L-1, initial concentration of tartrazine 5 mg L-1 for MWCNT-COOH/Fe3O4 and 10 mg L-1 for MWCNT-COOH/Fe3O4/NiO and contact time 5 min for MWCNT-COOH/Fe3O4/NiO and 15 min for MWCNT-COOH/Fe3O4. Moreover, the predominant degradation process was elucidated simultaneously, with and without simulated sunlight irradiation, using thermal lens spectrometry (TLS) and UV-Vis absorption spectrophotometry. The results indicated the prevalence of the photodegradation mechanism over adsorption from the beginning of the degradation process.
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Affiliation(s)
- Adina Stegarescu
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania
| | - Humberto Cabrera
- Optics Lab, STI Unit, The Abdus Salam International Centre for Theoretical Physics, Costiera 11, 34151 Trieste, Italy
| | - Hanna Budasheva
- Laboratory for Environmental and Life Sciences, University of Nova Gorica, Vipavska 13, SI-5000 Nova Gorica, Slovenia
| | - Maria-Loredana Soran
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania
| | - Ildiko Lung
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania
| | - Francesca Limosani
- INFN-National Laboratories of Frascati, Via Enrico Fermi 54, 00044 Frascati, Italy
- Department of Information Engineering, Polytechnic University of Marche, Via Brecce Bianche, 1, 60131 Ancona, Italy
| | - Dorota Korte
- Laboratory for Environmental and Life Sciences, University of Nova Gorica, Vipavska 13, SI-5000 Nova Gorica, Slovenia
| | - Matteo Amati
- Spectroscopy, Photoemission and Dynamics, Elettra—Sincrotrone Trieste S.C.p.A. S.S. 14, km 163.5 in Area Science Park, Basovizza, 34149 Trieste, Italy
| | - Gheorghe Borodi
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania
| | - Irina Kacso
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania
| | - Ocsana Opriş
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania
| | - Monica Dan
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania
| | - Stefano Bellucci
- INFN-National Laboratories of Frascati, Via Enrico Fermi 54, 00044 Frascati, Italy
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11
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Mindang ELN, Awounfack CF, Ndinteh DT, Krause RWM, Njamen D. Effects of Tartrazine on Some Sexual Maturation Parameters in Immature Female Wistar Rats. Int J Environ Res Public Health 2022; 19:10410. [PMID: 36012044 PMCID: PMC9408620 DOI: 10.3390/ijerph191610410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 08/15/2022] [Accepted: 08/19/2022] [Indexed: 06/15/2023]
Abstract
Over the past century, the average age for onset of puberty has declined. Several additives present in our food are thought to contribute significantly to this early puberty which is recognized to also affect people's health in later life. On this basis, the impact of 40-days unique oral administration of the food dye tartrazine (7.5, 27, and 47 mg/kg BW doses) was evaluated on some sexual maturation parameters on immature female Wistar rats. Vaginal opening was evaluated during the treatment period. At the end of the treatments, animals were sacrificed (estrus phase) and the relative weight of reproductive organs, pituitary gonadotrophin and sexual steroids level, cholesterol level in ovaries and folliculogenesis were evaluated. Compared to the control group, animals receiving tartrazine (47 mg/kg BW) showed significantly high percentage of early vaginal opening from day 45 of age, and an increase in the number of totals, primaries, secondaries, and antral follicles; a significant increase in serum estrogen, LH and in uterine epithelial thickness. Our findings suggest that tartrazine considerably disturbs the normal courses of puberty. These results could validate at least in part the global observations on increasingly precocious puberty in girls feeding increasingly with industrially processed foods.
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Affiliation(s)
- Elisabeth Louise Ndjengue Mindang
- Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, Yaounde P.O. Box 812, Cameroon
- Department of Chemistry, Faculty of Chemical and Pharmaceutical Sciences, Rhodes University, Makhanda P.O. Box 94, South Africa
| | - Charline Florence Awounfack
- Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, Yaounde P.O. Box 812, Cameroon
- Department of Psychology, Faculty of Arts, Letters and Social Sciences, University of Yaounde I, Yaounde P.O. Box 7011, Cameroon
| | - Derek Tantoh Ndinteh
- Department of Chemical Sciences, Faculty of Science, University of Johannesburg, Johannesburg P.O. Box 17011, South Africa
| | - Rui W. M. Krause
- Department of Chemistry, Faculty of Chemical and Pharmaceutical Sciences, Rhodes University, Makhanda P.O. Box 94, South Africa
| | - Dieudonne Njamen
- Department of Animal Biology and Physiology, Faculty of Science, University of Yaounde I, Yaounde P.O. Box 812, Cameroon
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12
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El‐Desoky GE, Wabaidur SM, AlOthman ZA, Habila MA. Evaluation of Nano-curcumin effects against Tartrazine-induced abnormalities in liver and kidney histology and other biochemical parameters. Food Sci Nutr 2022; 10:1344-1356. [PMID: 35592283 PMCID: PMC9094471 DOI: 10.1002/fsn3.2790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 01/23/2022] [Accepted: 02/15/2022] [Indexed: 12/03/2022] Open
Abstract
In the current study, 40 albino male rats were investigated to evaluate the impact of Nano-curcumin (Nano-CUR) administration against Tartrazine (TZ)-induced variations in kidney and liver histology and their related functions. The liver function biomarkers are (glutamate oxaloacetate transaminase (GOT), glutamate pyruvate transaminase (GPT), alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyl transaminase (GGT), alkaline phosphatase (ALP), total bilirubin (T. BiLL)), whereas the kidney biomarkers are (creatinine, uric acid, urea, globulin, total protein (TP)), as well as blood parameters of (serum glucose (sGlu), alpha-fetoprotein (AFP), protein Kinase-C (PKC)) and lipid profiles that include (total lipids (TL), triglyceride (TG), total cholesterol (TC), low-density lipoprotein-cholesterol (LDL-C), high-density L-C (HDL-C), and very-low-density L-C (VLDL-C)). The collected rats were randomly separated into four different groups (G1, G2, G3, and G4) of 10 rats each, where G1 stands for control, G2 for TZ-ingestion, G3 for Nano-CUR-ingestion, and G4 for (TZ + Nano-CUR mix.) ingestion. TZ-ingestion significantly (p < .05) increases the liver function enzymes' activity, total bilirubin and kidney biomarkers (creatinine, urea, uric acid, total protein (TP), globulin (Glu)). Also, TZ-ingestion significantly increased sGlu, PKC, AFP, as well as lipid profiles, while there were significant (p < .05) decreases in HDL-C and albumin (Alb) concentrations compared to control. Histopathological changes in liver, such as dilatation of blood sinusoids and central vein with hemorrhage and necrosis, were observed due to TZ-ingestion. Similarly, TZ-ingestion influenced kidney tissues in terms of tubular dilatation with tubular degeneration, thickened basement membrane, and dilatation of the glomerular capillaries. Markedly, the administration of Nano-CUR significantly decreased liver and kidney function enzymes as well as sGlu, AFP, and PKC, whereas it significantly increased serum Alb and HDL-C levels compared to control and TZ-ingested rats. All values arranged around normal control values. Also, the liver tissue of Nano-CUR-ingested rats showed a normal arrangement of normal blood sinusoids(s), hepatic cords, and hepatocytes as compared to controls. The same results were also found in the section of rat kidney ingested with 2.00 g of Nano-CUR/(kg B.W.) showing near-normal architecture as compared to control rats. The liver tissue of rats ingested by a mixture of (7.5 mg of TZ + 2.0 g of Nano-CUR/kg B.W.) showed little necrosis. Similarly, a section of rat kidney ingested a mixture of (7.5 mg of TZ + 2.00 g of Nano-CUR/kg B.W.) which revealed mild tubular degeneration and dilatation of the glomerular capillaries. These results support the protective and therapeutic effects of Nano-CUR on the histology of liver and kidneys and their related function biomarkers. Also, Nano-CUR corrects the imbalance in serum glucose (sGlu), AFP, PKC, and lipid profiles in TZ-ingested rats compared to control.
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Affiliation(s)
- Gaber E. El‐Desoky
- Department of ChemistryCollege of ScienceKing Saud UniversityRiyadhKingdom of Saudi Arabia
| | - Saikh M. Wabaidur
- Department of ChemistryCollege of ScienceKing Saud UniversityRiyadhKingdom of Saudi Arabia
| | - Zeid A. AlOthman
- Department of ChemistryCollege of ScienceKing Saud UniversityRiyadhKingdom of Saudi Arabia
| | - Mohamed A. Habila
- Department of ChemistryCollege of ScienceKing Saud UniversityRiyadhKingdom of Saudi Arabia
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13
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Vilas-Boas V, Gijbels E, Leroy K, Pieters A, Baze A, Parmentier C, Vinken M. Primary Human Hepatocyte Spheroids as Tools to Study the Hepatotoxic Potential of Non-Pharmaceutical Chemicals. Int J Mol Sci 2021; 22:11005. [PMID: 34681664 DOI: 10.3390/ijms222011005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/07/2021] [Accepted: 10/07/2021] [Indexed: 12/18/2022] Open
Abstract
Drug-induced liver injury, including cholestasis, is an important clinical issue and economic burden for pharmaceutical industry and healthcare systems. However, human-relevant in vitro information on the ability of other types of chemicals to induce cholestatic hepatotoxicity is lacking. This work aimed at investigating the cholestatic potential of non-pharmaceutical chemicals using primary human hepatocytes cultured in 3D spheroids. Spheroid cultures were repeatedly (co-) exposed to drugs (cyclosporine-A, bosentan, macitentan) or non-pharmaceutical chemicals (paraquat, tartrazine, triclosan) and a concentrated mixture of bile acids for 4 weeks. Cell viability (adenosine triphosphate content) was checked every week and used to calculate the cholestatic index, an indicator of cholestatic liability. Microarray analysis was performed at specific time-points to verify the deregulation of genes related to cholestasis, steatosis and fibrosis. Despite the evident inter-donor variability, shorter exposures to cyclosporine-A consistently produced cholestatic index values below 0.80 with transcriptomic data partially supporting its cholestatic burden. Bosentan confirmed to be hepatotoxic, while macitentan was not toxic in the tested concentrations. Prolonged exposure to paraquat suggested fibrotic potential, while triclosan markedly deregulated genes involved in different types of hepatotoxicity. These results support the applicability of primary human hepatocyte spheroids to study hepatotoxicity of non-pharmaceutical chemicals in vitro.
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14
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Akkapinyo C, Subannajui K, Poo-Arporn Y, Poo-Arporn RP. Disposable Electrochemical Sensor for Food Colorants Detection by Reduced Graphene Oxide and Methionine Film Modified Screen Printed Carbon Electrode. Molecules 2021; 26:2312. [PMID: 33923482 DOI: 10.3390/molecules26082312] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/07/2021] [Accepted: 04/14/2021] [Indexed: 02/06/2023] Open
Abstract
A facile synthesis of reduced graphene oxide (rGO) and methionine film modified screen printed carbon electrode (rGO-methionine/SPCE) was proposed as a disposable sensor for determination of food colorants including amaranth, tartrazine, sunset yellow, and carminic acid. The fabrication process can be achieved in only 2 steps including drop-casting of rGO and electropolymerization of poly(L-methionine) film on SPCE. Surface morphology of modified electrode was studied by scanning electron microscopy (SEM). This work showed a successfully developed novel disposable sensor for detection of all 4 dyes as food colorants. The electrochemical behavior of all 4 food colorants were investigated on modified electrodes. The rGO-methionine/SPCE significantly enhanced catalytic activity of all 4 dyes. The pH value and accumulation time were optimized to obtain optimal condition of each colorant. Differential pulse voltammetry (DPV) was used for determination, and two linear detection ranges were observed for each dye. Linear detection ranges were found from 1 to 10 and 10 to 100 µM for amaranth, 1 to 10 and 10 to 85 µM for tartrazine, 1 to 10 and 10 to 50 µM for sunset yellow, and 1 to 20 and 20 to 60 µM for carminic acid. The limit of detection (LOD) was calculated at 57, 41, 48, and 36 nM for amaranth, tartrazine, sunset yellow, and carminic acid, respectively. In addition, the modified sensor also demonstrated high tolerance to interference substances, good repeatability, and high performance for real sample analysis.
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15
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GÜmrÜkÇÜoĞlu A, BaŞoĞlu A, BaŞoĞlu S, BaŞoĞlu S, BaŞoĞlu M, BaŞoĞlu M, BaŞoĞlu Ü. Highly sensitive fluorometric method based on nitrogen-doped carbon dot clusters for tartrazine determination in cookies samples. Turk J Chem 2021; 44:99-111. [PMID: 33488146 PMCID: PMC7751817 DOI: 10.3906/kim-1903-28] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 10/21/2019] [Indexed: 01/02/2023] Open
Abstract
Nitrogen-doped carbon nanodots (CDs) were prepared via the solvothermal method, using urea and triethylene glycol as the starting materials. The as-prepared CDs had individual diameters of approximately 100 nm and were in clusters of different sizes. The surface composition and optical properties of the as-prepared CDs were characterized. They exhibited multicolor emission properties in the visible range when excited with a wide wavelength range. The aqueous solution of the CDs was used in highly sensitive tartrazine determination. The fluorescence quenching of the CDs was in a linear relationship with the concentrations of tartrazine in the range of 0.5–30.0 μM. The detection limit of the assay was 0.18 μM. Acceptable recovery results were obtained via spike-recovery experiments on cookie samples.
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Affiliation(s)
- Abidin GÜmrÜkÇÜoĞlu
- Department of Chemistry, Faculty of Arts and Sciences, Karadeniz Technical University, Trabzon Turkey
| | - Aysel BaŞoĞlu
- Department of Occupational Health and Safety, Faculty of Health Sciences, Gümüşhane University, Gümüşhane Turkey
| | - Sevgi BaŞoĞlu
- Department of Chemistry, Faculty of Arts and Sciences, Karadeniz Technical University, Trabzon Turkey
| | - Saliha BaŞoĞlu
- Organic Farming Management, Çumra School of Applied Sciences, Selçuk University, Konya Turkey
| | - Meryem BaŞoĞlu
- Advanced Technology Research & Application Center, Çumra Vocational School, Selçuk University, Konya Turkey
| | - Miraç BaŞoĞlu
- Department of Chemistry, Faculty of Arts and Sciences, Karadeniz Technical University, Trabzon Turkey
| | - Ümmühan BaŞoĞlu
- Department of Chemistry, Faculty of Arts and Sciences, Karadeniz Technical University, Trabzon Turkey
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16
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El-Desoky GE, Wabaidur SM, AlOthman ZA, Habila MA. Regulatory Role of Nano-Curcumin against Tartrazine-Induced Oxidative Stress, Apoptosis-Related Genes Expression, and Genotoxicity in Rats. Molecules 2020; 25:E5801. [PMID: 33316931 PMCID: PMC7763955 DOI: 10.3390/molecules25245801] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 12/02/2020] [Accepted: 12/02/2020] [Indexed: 12/31/2022] Open
Abstract
The present study evaluates the regulatory effect of Nano-Curcumin (Nano-CUR) against tartrazine (TZ)-induced injuries on apoptosis-related gene expression (i.e., p53, CASP-3 and CASP-9), antioxidant status, and DNA damages in bone marrow in treated rats. Male rats were arbitrarily separated into five groups, and each group was comprised of 10 rats each. The 1st group served as control (G1). The 2nd group ingested 7.5 mg TZ/kg. b.w. (body weight). The 3rd group ingested Nano-CUR 1 g/kg b.w. The 4th and 5th groups were respectively administered with (1 g Nano-CUR + 7.5 mg TZ/kg. b.w.) and (2 g Nano-CUR + 7.5 mg TZ/kg. b.w.). At the end of the experiment, blood samples, livers, and kidneys were collected. Livers and kidneys were homogenized and used for the analysis of reduced glutathione, malonaldhyde, total antioxidant capacity, lipid peroxide antioxidant enzyme activities, apoptosis-related gene expression, and genotoxicity by comit test. The ingestion of TZ for 50 days resulted in significant decreases in body, and kidney weights in rats and a relative increase in the liver weight compared to control. In contrast, the ingestion of Nano-CUR with TZ remarkably upgraded the body weight and relative liver weight compared to the normal range in the control. Aditionally, TZ ingestion in rats increased the oxidative stress biomarkers lipid peroxide (LPO) and malonaldehyde (MDA) significantly, whereas it decreased the reduced glutathione (GSH) levels and total antioxidant capacity (TAC). Similarly, the levels of glutathione peroxidase (GPx), superoxide dismutase (SOD), and catalase (CAT) significantly deteriorated in response to TZ ingestion. Moreover, the results revealed a remarkable up-regulation in the level of expression for the three examined genes, including p53, CASP-3, and CASP-9 in TZ-ingested rats compared to the control. On the other hand, the comet assay result indicates that the ingestion of TZ induced DNA damage in bone marrow. Notably, the administration of Nano-CUR protected the kidney and liver of TZ-ingested rats as evidenced by a significant elevation in all antioxidant activities of tested enzymes (i.e, SOD, GPx, and CAT), vital recovery in GSH and TAC levels, and a statistical decrease in LPO and MDA compared to TZ-ingested rats. Interestingly, the ingestion of rats with TZ modulates the observed up-regulation in the level of expression for the chosen genes, indicating the interfering role in the signaling transduction process of TZ-mediated poisoning. The results indicate that the administration of Nano-CUR may protect against TZ-induced DNA damage in bone marrow. According to the results, Nano-CUR exerted a potential protective effect against oxidative stress, DNA damage, and the up-regulation of apoptosis-related genes induced by TZ ingested to rats.
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Affiliation(s)
- Gaber E. El-Desoky
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.M.W.); (Z.A.A.); (M.A.H.)
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17
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David L, Moldovan B. Green Synthesis of Biogenic Silver Nanoparticles for Efficient Catalytic Removal of Harmful Organic Dyes. Nanomaterials (Basel) 2020; 10:E202. [PMID: 31991548 PMCID: PMC7074911 DOI: 10.3390/nano10020202] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/15/2020] [Accepted: 01/15/2020] [Indexed: 12/20/2022]
Abstract
The present article reports an environmentally benign method for synthesizing silver nanoparticles using the fruit extract of Viburnum opulus L. as a source of bioactive compounds, which can act as reducing agents of the silver ions and also as stabilizing agents of the obtained nanoparticles. The catalytic ability of the synthesized silver nanoparticles (AgNPs) to remove toxic organic dyes was also evaluated. The biosynthesis of silver nanoparticles was firstly confirmed by UV-Vis spectral analysis, which revealed the presence of the characteristic absorption peak at 415 nm corresponding to the surface plasmon vibration of colloidal silver. Fourier-transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA) studies were conducted to confirm the presence of bioactive phytocompounds, especially phenolics, as capping and stabilizing agents of the AgNPs. The size, morphology and crystalline nature of the synthesized AgNPs were investigated by transmission electron microscopy and X-ray diffraction techniques revealing that the obtained nanoparticles were spherical shaped, with an average diameter of 16 nm, monodispersed, face centered cubic nanoparticles. Further, the catalytic ability in the degradation of tartrazine, carmoisine and brilliant blue FCF dyes by NaBH4 was evaluated. The results demonstrated an efficient activity against all the investigated dyes being an outstanding catalyst for the degradation of brilliant blue FCF. This eco-friendly synthetic approach can generate new tools useful in environmental pollution control.
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Affiliation(s)
| | - Bianca Moldovan
- Research Center for Advanced Chemical Analysis, Instrumentation and Chemometrics (ANALYTICA), Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, 400028 Cluj-Napoca, Romania;
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Liu PY, Chen BQ, Yuan SS, Yang BB, Yang T, Shi MH, Lyu GH. [Determination of common dyes in dyed safflower by near infrared spectroscopy]. Zhongguo Zhong Yao Za Zhi 2019; 44:1537-1544. [PMID: 31090316 DOI: 10.19540/j.cnki.cjcmm.20190322.102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Because the red and bright color of corolla is the main indicator for the quality assessment of good safflower,the dyed safflower is sometimes found at the herbal market,what is influence on this herb quality and efficacy. A total of 127 safflower samples was therefore collected from different cultivating areas and herbal markets in China to develop a rapid method to identify the dyed safflower. Near-infrared spectroscopy(NIRS) combined with characteristic identification,high performance liquid chromatography(HPLC),principal component analysis(PCA) and partial least squares regression analysis(PLS) were employed to differentiate safflower from dyed safflower samples,and further quantify the levels of the 6 dyes,i.e. tartrazine,carmine,sunset yellow,azorubine,acid red 73 and orange Ⅱ in the dyed safflower. The results indicated that the 50 safflower samples and 77 dyed safflower samples were located at different regions in PCA cluster diagram by NIR spectra. Tartrazine,carmineand and sunset yellow were found in the 77 dyed safflower samples with the amounts of 0. 60-3. 66,0. 11-1. 37,0. 10-0. 71 mg·g-1,respectively. It indicated that the three dyes were the common and main dyes in the dyed safflower. However,azorubine,acid red 73 and orange Ⅱ were not detected in all herb samples. A total of 62 dyed safflower samples were chosen as calibration samples to develop the model for estimating the amount of dyes in dyed safflower. The estimating accuracy was verified by another 15 dyed safflower samples. The values of tartrazine,carmine and sunset yellow in dyed safflower samples were compared between the NIRS and HPLC methods. Each value of mean absolute difference(MAD) was less than 5%. The correlation coefficients of tartrazine,carmineand and sunset yellow were 0. 970,0. 975,0. 971,respectively. It indicated the data quantified by NIRS and HPLC were consistence. It is concluded that NIRS can not only differentiate safflower from dyed safflower,but also quantify the amount of the dyes. NIRS is suitable for rapidly identify the quality of safflower.
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Affiliation(s)
- Pan-Yan Liu
- School of Pharmacy,Chengdu University of Traditional Chinese Medicine Chengdu 611137,China
| | - Bi-Qing Chen
- School of Pharmacy,Chengdu University of Traditional Chinese Medicine Chengdu 611137,China
| | - Shan-Shan Yuan
- School of Pharmacy,Chengdu University of Traditional Chinese Medicine Chengdu 611137,China
| | - Bin-Bin Yang
- School of Pharmacy,Chengdu University of Traditional Chinese Medicine Chengdu 611137,China
| | - Ting Yang
- School of Pharmacy,Chengdu University of Traditional Chinese Medicine Chengdu 611137,China
| | - Ming-Hui Shi
- Xinjiang Institute of Chinese Materia Medica and Ethnical Materia Medica Urumqi 830002,China
| | - Guang-Hua Lyu
- School of Pharmacy,Chengdu University of Traditional Chinese Medicine Chengdu 611137,China School of Ethnic Medicine,Chengdu University of Traditional Chinese Medicine Chengdu 611137,China
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19
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El Rabey HA, Al-Seeni MN, Al-Sieni AI, Al-Hamed AM, Zamzami MA, Almutairi FM. Honey attenuates the toxic effects of the low dose of tartrazine in male rats. J Food Biochem 2019; 43:e12780. [PMID: 31353602 DOI: 10.1111/jfbc.12780] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 01/02/2019] [Accepted: 01/07/2019] [Indexed: 11/29/2022]
Abstract
Honey is traditionally used in burns, wound healing, ulcers, boils, and fistulas. Honey was tested to prevent tartrazine toxicity in male rats for 8 weeks. The 18 rats of the experiment were randomly divided into three 6-rat groups. The negative control group (G1) fed diet with sulfanilic acid, the tartrazine positive group (G2) fed diet containing tartrazine and sulfanilic acid and the honey-treated group (G3) fed diet as in G2 and cotreated with honey. Tartrazine decreased antioxidants, high-density lipoproteins and proteins, and increased liver enzymes, kidney indices, lipid peroxidation, triglycerides, total cholesterol, and low- and very-low-density lipoproteins. In addition, tartrazine-treated group showed drastic damage of the tissues of stomach, liver, kidney, and testis. Honey treatment increased antioxidants and high-density lipoproteins, and decreased lipid peroxidation, liver enzyme and kidney parameters. Honey treatment also improved stomach, liver, kidney, and testis tissues. In conclusion, honey protects male rats against tartrazine toxicity. PRACTICAL APPLICATIONS: Honey was tested to prevent tartrazine toxicity in male rats in an experiment conducted for 8 weeks. Catalase, glutathione reductase, superoxide dismutase, glutathione reduced, the low- and high-density lipoproteins, lipid peroxidation, liver enzyme, and kidney parameters were measured to evaluate both the toxic effect of tartrazine in G2 and the protective potential of honey in G3.
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Affiliation(s)
- Haddad A El Rabey
- Biochemistry Department, Faculty of Science, University of Tabuk, Tabuk, KSA.,Bioinformatics Department, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City, Egypt
| | - Madeha N Al-Seeni
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, KSA
| | | | | | - Mazin A Zamzami
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, KSA.,Cancer and Mutagenesis Unit, King Fahd Center for Medical Research, King Abdulaziz University, Jeddah, KSA
| | - Fahad M Almutairi
- Biochemistry Department, Faculty of Science, University of Tabuk, Tabuk, KSA
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Song J, Zhang Y, Huang Y, Fan Y, Lai K. Rapid Tartrazine Determination in Large Yellow Croaker with Ag Nanowires Using Surface-Enhanced Raman Spectroscopy. Nanomaterials (Basel) 2018; 8:nano8120967. [PMID: 30477131 PMCID: PMC6317054 DOI: 10.3390/nano8120967] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 11/14/2018] [Accepted: 11/17/2018] [Indexed: 11/18/2022]
Abstract
In this work, surface-enhanced Raman spectroscopy (SERS) technology coupled with Ag nanowires was shown to be a promising tool in the detection of tartrazine in large yellow croaker for the first time. Ag nanowires with a uniform diameter were fabricated by an efficient and manageable polyol method. The partial least square model was established for the quantitative analysis of tartrazine, which showed a relatively high linear correlation between actual and predicted concentrations of standard tartrazine solutions. An optimal sample preparation method was also selected and used to extract tartrazine from large yellow croaker within 20 min. The lowest concentration detected was 20.38 ng/cm2, which fully meets the requirements of tartrazine testing in aquatic products. This study indicated that SERS technology combined with the as-prepared Ag nanowires could detect tartrazine sensitively and provide an easily operable and time-saving way to monitor tartrazine in large yellow croaker.
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Affiliation(s)
- Jia Song
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Yuanyi Zhang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Yiqun Huang
- School of Chemistry & Biological Engineering, Changsha University of Science & Technology, Changsha 410076, Hunan, China.
| | - Yuxia Fan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
- Engineering Research Center of Food Thermal Processing Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Keqiang Lai
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
- Engineering Research Center of Food Thermal Processing Technology, Shanghai Ocean University, Shanghai 201306, China.
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21
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Chen X, Qin P, Zheng X, Hu Z, Zong W, Zhang D, Yang B. Characterizing the noncovalent binding behavior of tartrazine to lysozyme: A combined spectroscopic and computational analysis. J Biochem Mol Toxicol 2018; 33:e22258. [PMID: 30368991 DOI: 10.1002/jbt.22258] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 09/14/2018] [Accepted: 10/02/2018] [Indexed: 11/11/2022]
Abstract
Tartrazine is a stable water-soluble azo dye widely used as a food additive, which could pose potential threats to humans and the environment. In this paper, we evaluated the response mechanism between tartrazine and lysozyme under simulated conditions by means of biophysical methods, including multiple spectroscopic techniques, isothermal titration calorimetry (ITC), and molecular docking studies. From the multispectroscopic analysis, we found that tartrazine could effectively quench the intrinsic fluorescence of lysozyme to form a complex and lead to the conformational and microenvironmental changes of the enzyme. The ITC measurements suggested that the electrostatic forces played a major role in the binding of tartrazine to lysozyme with two binding sites. Finally, the molecular docking indicated that tartrazine had specific interactions with the residues of Trp108. The study provides an important insight within the binding mechanism of tartrazine to lysozyme in vitro.
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Affiliation(s)
- Xue Chen
- College of Chemistry Engineering & Material Science, Shandong Normal University, Jinan, Shandong, China.,Key Laboratory of Functional Nanomaterials and Technology in Universities of Shandong, College of Chemistry & Chemical Engineering, Linyi University, Linyi, Shandong, China
| | - Pengfei Qin
- Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi, Shandong, China
| | - Xiuwen Zheng
- Key Laboratory of Functional Nanomaterials and Technology in Universities of Shandong, College of Chemistry & Chemical Engineering, Linyi University, Linyi, Shandong, China
| | - Zunfu Hu
- Key Laboratory of Functional Nanomaterials and Technology in Universities of Shandong, College of Chemistry & Chemical Engineering, Linyi University, Linyi, Shandong, China
| | - Wansong Zong
- College of Population, Resources and Environment, Shandong Normal University, Jinan, China
| | - Dongsheng Zhang
- College of Chemistry Engineering & Material Science, Shandong Normal University, Jinan, Shandong, China.,Key Laboratory of Functional Nanomaterials and Technology in Universities of Shandong, College of Chemistry & Chemical Engineering, Linyi University, Linyi, Shandong, China
| | - Baochan Yang
- Key Laboratory of Functional Nanomaterials and Technology in Universities of Shandong, College of Chemistry & Chemical Engineering, Linyi University, Linyi, Shandong, China
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He Q, Liu J, Liu X, Li G, Deng P, Liang J, Chen D. Sensitive and Selective Detection of Tartrazine Based on TiO₂-Electrochemically Reduced Graphene Oxide Composite-Modified Electrodes. Sensors (Basel) 2018; 18:E1911. [PMID: 29895779 DOI: 10.3390/s18061911] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 06/09/2018] [Accepted: 06/11/2018] [Indexed: 01/01/2023]
Abstract
TiO2-reduced graphene oxide composite-modified glassy carbon electrodes (TiO2–ErGO–GCE) for the sensitive detection of tartrazine were prepared by drop casting followed by electrochemical reduction. The as-prepared material was characterized by transmission electron microscopy (TEM) and X-ray diffraction (XRD). Cyclic voltammetry and second-order derivative linear scan voltammetry were performed to analyze the electrochemical sensing of tartrazine on different electrodes. The determination conditions (including pH, accumulation potential, and accumulation time) were optimized systematically. The results showed that the TiO2–ErGO composites increased the electrochemical active area of the electrode and enhanced the electrochemical responses to tartrazine significantly. Under the optimum detection conditions, the peak current was found to be linear for tartrazine concentrations in the range of 2.0 × 10−8–2.0 × 10−5 mol/L, with a lower detection limit of 8.0 × 10−9 mol/L (S/N = 3). Finally, the proposed TiO2–ErGO–GCEs were successfully applied for the detection of trace tartrazine in carbonated beverage samples.
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23
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Mazlan SZ, Lee YH, Hanifah SA. A New Laccase Based Biosensor for Tartrazine. Sensors (Basel) 2017; 17:s17122859. [PMID: 29232842 PMCID: PMC5750762 DOI: 10.3390/s17122859] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 11/13/2017] [Accepted: 11/30/2017] [Indexed: 12/02/2022]
Abstract
Laccase enzyme, a commonly used enzyme for the construction of biosensors for phenolic compounds was used for the first time to develop a new biosensor for the determination of the azo-dye tartrazine. The electrochemical biosensor was based on the immobilization of laccase on functionalized methacrylate-acrylate microspheres. The biosensor membrane is a composite of the laccase conjugated microspheres and gold nanoparticles (AuNPs) coated on a carbon-paste screen-printed electrode. The reaction involving tartrazine can be catalyzed by laccase enzyme, where the current change was measured by differential pulse voltammetry (DPV) at 1.1 V. The anodic peak current was linear within the tartrazine concentration range of 0.2 to 14 μM (R2 = 0.979) and the detection limit was 0.04 μM. Common food ingredients or additives such as glucose, sucrose, ascorbic acid, phenol and sunset yellow did not interfere with the biosensor response. Furthermore, the biosensor response was stable up to 30 days of storage period at 4 °C. Foods and beverage were used as real samples for the biosensor validation. The biosensor response to tartrazine showed no significant difference with a standard HPLC method for tartrazine analysis.
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Affiliation(s)
- Siti Zulaikha Mazlan
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia.
| | - Yook Heng Lee
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia.
| | - Sharina Abu Hanifah
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia.
- Polymer Research Center, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia.
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Perdomo Y, Arancibia V, García-Beltrán O, Nagles E. Adsorptive Stripping Voltammetric Determination of Amaranth and Tartrazine in Drinks and Gelatins Using a Screen-Printed Carbon Electrode. Sensors (Basel) 2017; 17:E2665. [PMID: 29156561 DOI: 10.3390/s17112665] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 11/14/2017] [Accepted: 11/15/2017] [Indexed: 11/16/2022]
Abstract
A fast, sensitive, and selective method for the simultaneous determination of one pair of synthetic colorants commonly found mixed in food products, Amaranth (AM) and Tartrazine (TZ), based on their adsorption and oxidation on a screen-printed electrode (SPE) is presented. The variation of peak current with pH, supporting electrolyte, adsorption time, and adsorption potential were optimized using square wave adsorptive voltammetry. The optimal conditions were found to be: pH 3.2 (PBS), Eads 0.00 V, and tads 30 s. Under these conditions, the AM and TZ signals were observed at 0.56 and 0.74 V, respectively. A linear response were found over the 0.15 to 1.20 µmol L-1 and 0.15 to 0.80 µmol L-1 concentrations, with detection limits (3σ/slope) of 26 and 70 nmol L-1 for AM and TZ, respectively. Reproducibility for 17.7 µmol L-1 AM and TZ solutions were 2.5 and 3.0% (n = 7), respectively, using three different electrodes. The method was validated by determining AM and TZ in spiked tap water and unflavored gelatin spiked with AM and TZ. Because a beverage containing both AM and TZ was not found, the method was applied to the determination of AM in a kola soft drink and TZ in an orange jelly and a soft drink powder.
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Abstract
Tartrazine (TTZ) is an azo dye used as a colorant in food products, drugs, and cosmetics. The present study evaluates the impacts of TTZ on embryonic development of zebrafish ( Danio rerio). Laboratory-raised D. rerio embryos (n = 20/concentration) were exposed to graded dilutions of TTZ (0, 0.1, 1, 2, 3, 4, 5, 10, 20, 30, 40, 50, 75, and 100 mM) from gastrulation stage (5.25 hours postfertilization [hpf]) until hatching and developmental trajectory was traced up to day 7. The no observed effect concentration (NOEC), median lethal concentration (LC50), median effective concentration (EC50), and teratogenic index (TI) were calculated. Exposure of embryos to < 10 mM TTZ had no effects; 20 to 30 mM TTZ caused tail bending, cardiac and yolk sac edema in 50% of larvae; in 30 to 50 mM TTZ-exposed embryos the heart rates declined along with the above mentioned deformities, causing mortality within 96 to 144 hpf; development ceased completely at 75 to 100 mM concentration. The NOEC and LC50 were recorded at 5 and 29.4 mM dose, respectively. The EC50 values for heart rate, cardiac edema, tail bending, and hatching success were at 59.60, 53.81, 98.28, and 58.97 mM with TI quotient 0.49, 0.54, 0.29, and 0.49, respectively. We conclude that TTZ is not embryo toxic/teratogenic for zebrafish embryos up to a dose level of 10 mM concentration.
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Affiliation(s)
- Vani Joshi
- 1 Department of Zoology, Karnatak University, Dharwad, Karnataka, India
| | - Pancharatna Katti
- 1 Department of Zoology, Karnatak University, Dharwad, Karnataka, India
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26
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Rovina K, Siddiquee S, Shaarani SM. A Review of Extraction and Analytical Methods for the Determination of Tartrazine (E 102) in Foodstuffs. Crit Rev Anal Chem 2017; 47:309-324. [PMID: 28128965 DOI: 10.1080/10408347.2017.1287558] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Tartrazine is an azo food dye, which is orange-colored and water soluble. It is usually used in foods, pharmaceuticals, cosmetics, and textiles. Tartrazine has the potential to cause an adverse health effect on humans, such as hyperactivity in children, allergy, and asthma. Joint FAO/WHO Expert Committee on Food Additive and EU Scientific Committee for Food have standardized the acceptable daily intake for tartrazine that is 7.5 mg kg-1 body weight. Many researchers have detected the presence of tartrazine for monitoring the quality and safety of food products. In this review paper, we highlighted various tartrazine detection and extraction methods. Some of the analytical methods are available such as high-performance liquid chromatography, electrochemical sensor, thin-layer chromatography, spectrophotometry, capillary electrophoresis, and liquid chromatography-tandem mass spectrometry. Also, we discuss following extraction steps: liquid-liquid extraction, solid-phase extraction, membrane filtration, cloud point extraction, and other extraction method. In addition, a brief overview is presented explaining the synthesis process and metabolism of tartrazine and the maximum permitted level in different countries. This review paper will give an insight into different extraction and analytical methods for the determination of tartrazine in healthy foods, which will attract the attention of public toward food safety and quality, and also the interest of food industry and government bodies.
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Affiliation(s)
- Kobun Rovina
- a Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS , Sabah , Malaysia.,b Faculty of Food Science and Nutrition , Universiti Malaysia Sabah, Jalan UMS , Sabah , Malaysia
| | | | - Sharifudin Md Shaarani
- b Faculty of Food Science and Nutrition , Universiti Malaysia Sabah, Jalan UMS , Sabah , Malaysia
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Scott R, Mudimbi P, Miller ME, Magnuson M, Willison S, Phillips R, Harper WF. Advanced Oxidation of Tartrazine and Brilliant Blue with Pulsed Ultraviolet Light Emitting Diodes. Water Environ Res 2017; 89:24-31. [PMID: 28236826 PMCID: PMC5797650 DOI: 10.2175/106143016x14733681696167] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
This study investigated the effect of ultraviolet light-emitting diodes (UVLEDs) coupled with hydrogen peroxide as an advanced oxidation process (AOP) for the degradation of two test chemicals. Brilliant Blue FCF consistently exhibited greater degradation than tartrazine, with 83% degradation after 300 minutes at the 100% duty cycle compared with only 17% degradation of tartrazine under the same conditions. These differences are attributable to the structural properties of the compounds. Duty cycle was positively correlated with the first-order rate constants (k) for both chemicals but, interestingly, negatively correlated with the normalized first-order rate constants (k/duty cycle). Synergistic effects of both hydraulic mixing and LED duty cycle were manifested as novel oscillations in the effluent contaminant concentration. Further, LED output and efficiency were dependent upon duty cycle and less efficient over time perhaps due to heating effects on semiconductor performance.
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Affiliation(s)
- Robert Scott
- Air Force Institute of Technology, Department of Systems Engineering and Management, 2950 Hobson Way, Wright-Patterson AFB, OH, US, 45433
| | - Patrick Mudimbi
- Air Force Institute of Technology, Department of Systems Engineering and Management, 2950 Hobson Way, Wright-Patterson AFB, OH, US, 45433
| | - Michael E. Miller
- Air Force Institute of Technology, Department of Systems Engineering and Management, 2950 Hobson Way, Wright-Patterson AFB, OH, US, 45433
| | - Matthew Magnuson
- US Environmental Protection Agency, National Homeland Security Research Center, Water Infrastructure Protection Division, 26 W. Martin Luther King Dr., Mailstop NG-16, Cincinnati, OH, US 45268
| | - Stuart Willison
- US Environmental Protection Agency, National Homeland Security Research Center, Water Infrastructure Protection Division, 26 W. Martin Luther King Dr., Mailstop NG-16, Cincinnati, OH, US 45268
| | - Rebecca Phillips
- Oak Ridge Institute of Science and Education, US Environmental Protection Agency Headquarters, ML-8801 RR, Room 51185, Ronald Reagan Building, 1300 Pennsylvania Avenue NW, Washington DC 20004
| | - Willie F. Harper
- Air Force Institute of Technology, Department of Systems Engineering and Management, 2950 Hobson Way, Wright-Patterson AFB, OH, US, 45433
- Air Force Institute of Technology, Department of Systems Engineering and Management, 2950 Hobson Way, Wright-Patterson AFB, OH, US, 45433;
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Abstract
Objective: Certain dietary constituents can induce toxicity and play a critical role in the development of several hepatic disorders. Tartrazine, metanil yellow and sunset yellow are widely used azo dyes in food products, so the present study is aimed to investigate the food color induced hepatotoxicity in Swiss albino rats. Materials and Methods: Swiss albino rats were divided into four groups, each group having six animals. Group I served as control, Group II, Group III and Group IV were administered with 25, 50 and 75 mg/kg body weight blend of sunset yellow, metanil yellow and tartrazine for 30 days. Hepatotoxicity in rats treated with a blend of these food colors was studied by assessing parameters such as serum total protein, serum albumin, serum alkaline phosphatase (ALP) as well as hepatic malondialdehyde (MDA). The activity of superoxide dismutase (SOD), reduced glutathione (GSH) and catalase (CAT) were assessed. Results: Significantly increased concentrations of serum total protein, serum albumin, serum ALP and hepatic MDA and significantly lowered levels of SOD, reduced GSH and CAT in the liver tissue of treated animals were observed when compared with control animals. The alteration in the liver includes necrosis of hepatocytes, infiltration and vacuolation. Conclusion: The result indicates that consumption of food color in diet induces liver tissue damage. The used doses of food color were mostly attributable to hepatocellular damage and drastic alteration in antioxidant defense system.
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Affiliation(s)
- Beenam Saxena
- Department of Zoology, Bareilly College, Bareilly, Uttar Pradesh, India
| | - Shiv Sharma
- Department of Zoology, Bareilly College, Bareilly, Uttar Pradesh, India
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Abstract
A simple, economical, and green method for the preparation of water-soluble, high-fluorescent carbon quantum dots (C-dots) has been developed via hydrothermal process using aloe as a carbon source. The synthesized C-dots were characterized by atomic force microscope (AFM), transmission electron microscopy (TEM), fluorescence spectrophotometer, UV-vis absorption spectra as well as Fourier transform infrared spectroscopy (FTIR). The results reveal that the as-prepared C-dots were spherical shape with an average diameter of 5 nm and emit bright yellow photoluminescence (PL) with a quantum yield of approximately 10.37%. The surface of the C-dots was rich in hydroxyl groups and presented various merits including high fluorescent quantum yield, excellent photostability, low toxicity and satisfactory solubility. Additionally, we found that one of the widely used synthetic food colorants, tartrazine, could result in a strong fluorescence quenching of the C-dots through a static quenching process. The decrease of fluorescence intensity made it possible to determine tartrazine in the linear range extending from 0.25 to 32.50 μM, This observation was further successfully applied for the determination of tartrazine in food samples collected from local markets, suggesting its great potential toward food routine analysis. Results from our study may shed light on the production of fluorescent and biocompatible nanocarbons due to our simple and environmental benign strategy to synthesize C-dots in which aloe was used as a carbon source.
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Affiliation(s)
- Hua Xu
- †College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, People's Republic of China
| | - Xiupei Yang
- †College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, People's Republic of China
| | - Gu Li
- †College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, People's Republic of China
| | - Chuan Zhao
- †College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, People's Republic of China
| | - Xiangjun Liao
- §Exposure and Biomonitoring Division, Health Canada, 50 Colombine Driveway, Ottawa K1A 0K9, Canada
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Athalathil S, Fortuny A, Font J, Stüber F, Bengoa C, Fabregat A. A potential application of sludge-based catalysts for the anaerobic bio-decolorization of tartrazine dye. Environ Technol 2015; 36:2568-2576. [PMID: 26017547 DOI: 10.1080/09593330.2015.1037361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Two highly efficient (K2CO3/sludge carbon and ZnCl2/sludge carbon) solids were prepared by chemical addition following carbonization at 800 °C and were tested for anaerobic reduction of tartrazine dye in a continuous upflow packed-bed biological reactor, and their performance was compared to that of commercial activated carbon (CAC). The chemical and structural information of the solids was subjected to various characterizations in order to understand the mechanism for anaerobic decolorization, and efficiency for SBCZN800 and SBCPC800 materials was 87% and 74%, respectively, at a short space time (τ) of 2.0 min. A first-order kinetic model fitted the experimental points and kinetic constants of 0.40, 0.92 and 1.46 min(-1) were obtained for SBCZN800, SBCPC800 and CAC, respectively. The experimental results revealed that performance of solids in the anaerobic reduction of tartrazine dye can depend on several factors including chemical agents, carbonization, microbial population, chemical groups and surface chemistry. The Langmuir and Freundlich models are successfully described in the batch adsorption data. Based on these observations, a cost-effective sludge-based catalyst can be produced from harmful sewage sludge for the treatment of industrial effluents.
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Affiliation(s)
- Sunil Athalathil
- a Departament d'Enginyeria Quimica , ETSEQ, Universitat Rovira i Virgili , Av. Paisos Catalans 26, Tarragona 43007 , Catalunya , Spain
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31
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Abstract
Artificial food colors (AFCs) are used to color many beverages, foods, and sweets in the United States and throughout the world. In the United States, the Food and Drug Administration (FDA) limits the AFCs allowed in the diet to 9 different colors. The FDA certifies each batch of manufactured AFCs to guarantee purity and safety. The amount certified has risen from 12 mg/capita/d in 1950 to 62 mg/capita/d in 2010. Previously, we reported the amounts of AFCs in commonly consumed beverages. In this article, the amounts of AFCs in commonly consumed foods and sweets are reported. In addition, the amount of sugars in each product is included. Amounts of AFCs reported here along with the beverage data show that many children could be consuming far more dyes than previously thought. Clinical guidance is given to help caregivers avoid AFCs and reduce the amount of sugars in children's diets.
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32
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Soares BM, Araújo TMT, Ramos JAB, Pinto LC, Khayat BM, De Oliveira Bahia M, Montenegro RC, Burbano RMR, Khayat AS. Effects on DNA repair in human lymphocytes exposed to the food dye tartrazine yellow. Anticancer Res 2015; 35:1465-1474. [PMID: 25750299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Tartrazine is a food additive that belongs to a class of artificial dyes and contains an azo group. Studies about its genotoxic, cytotoxic and mutagenic effects are controversial and, in some cases, unsatisfactory. This work evaluated the potential in vitro cytotoxicity, genotoxicity and effects on DNA repair of human lymphocytes exposed to the dye. We assessed the cytotoxicity of tartrazine by 3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide test and the response of DNA repair through comet assay (alkaline version). We used different concentrations of the dye, ranging from 0.25-64.0 mM. The results demonstrated that tartrazine has no cytotoxic effects. However, this dye had a significant genotoxic effect at all concentrations tested. Although most of the damage was amenable to repair, some damage remained higher than positive control after 24 h of repair. These data demonstrate that tartrazine may be harmful to health and its prolonged use could trigger carcinogenesis.
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Affiliation(s)
- Bruno Moreira Soares
- Human Cytogenetics Laboratory, Federal University of Pará, Belém, Brazil Oncology Research Federal University of Pará, Belém, Brazil
| | - Taíssa Maíra Thomaz Araújo
- Human Cytogenetics Laboratory, Federal University of Pará, Belém, Brazil Oncology Research Federal University of Pará, Belém, Brazil
| | | | - Laine Celestino Pinto
- Human Cytogenetics Laboratory, Federal University of Pará, Belém, Brazil Oncology Research Federal University of Pará, Belém, Brazil
| | | | | | - Raquel Carvalho Montenegro
- Human Cytogenetics Laboratory, Federal University of Pará, Belém, Brazil Oncology Research Federal University of Pará, Belém, Brazil
| | - Rommel Mario Rodríguez Burbano
- Human Cytogenetics Laboratory, Federal University of Pará, Belém, Brazil Oncology Research Federal University of Pará, Belém, Brazil
| | - André Salim Khayat
- Human Cytogenetics Laboratory, Federal University of Pará, Belém, Brazil Oncology Research Federal University of Pará, Belém, Brazil
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Li M, He W, Liu Y, Wu H, Wamer WG, Lo YM, Yin JJ. FD&C Yellow No. 5 ( tartrazine) degradation via reactive oxygen species triggered by TiO2 and Au/TiO2 nanoparticles exposed to simulated sunlight. J Agric Food Chem 2014; 62:12052-12060. [PMID: 25393426 DOI: 10.1021/jf5045052] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
When exposed to light, TiO2 nanoparticles (NPs) become photoactivated and create electron/hole pairs as well as reactive oxygen species (ROS). We examined the ROS production and degradation of a widely used azo dye, FD&C Yellow No. 5 (tartrazine), triggered by photoactivated TiO2 NPs. Degradation was found to follow pseudo-first order reaction kinetics where the rate constant increased with TiO2 NP concentration. Depositing Au on the surface of TiO2 largely enhanced electron transfer and ROS generation, which consequently accelerated dye degradation. Alkaline conditions promoted ROS generation and dye degradation. Results from electron spin resonance spin-trap spectroscopy suggested that at pH 7.4, both hydroxyl radical (•OH) and singlet oxygen ((1)O2) were responsible for dye discoloration, whereas at pH 5, the consumption of (1)O2 became dominant. Implications for dye degradation in foods and other consumer products that contain both TiO2 and FD&C Yellow No. 5 as ingredients are discussed.
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Affiliation(s)
- Meng Li
- Division of Analytical Chemistry and ‡Division of Bioanalytical Chemistry, Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration , College Park, Maryland 20740, United States
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34
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Abstract
OBJECTIVE The present study was carried out to evaluate the toxic effect of blend of some food colors on Swiss albino rats. MATERIALS AND METHODS A blend (1:1:1) of sunset yellow, metanil yellow and tartrazine showed additive effects on serological parameters which indicate that addition of these dye together in food stuff may give rise to more toxic effects than are produced by each dye individually. Animals were divided into four groups (I, II, III, and IV). First group was treated as control and respective group of animals received 25, 50 and 75 mg/kg body weight blend of food colors by gavaging up to 30 days. RESULTS The serological study showed a decrease in total protein and albumin and an increase in alkaline phosphatase, SGPT and total bilirubin. The results revealed that oral administration of these blend did not affect the body weight gain. CONCLUSION The prolonged consumption of the blend may cause adverse effect on human health.
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Affiliation(s)
- Beenam Saxena
- Department of Zoology, Bareilly College, Bareilly, Uttar Pradesh, India
| | - Shiv Sharma
- Department of Zoology, Bareilly College, Bareilly, Uttar Pradesh, India
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35
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Stevens LJ, Burgess JR, Stochelski MA, Kuczek T. Amounts of artificial food colors in commonly consumed beverages and potential behavioral implications for consumption in children. Clin Pediatr (Phila) 2014; 53:133-40. [PMID: 24037921 DOI: 10.1177/0009922813502849] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Artificial food colors (AFCs) are widely used to color foods and beverages. The amount of AFCs the Food and Drug Administration has certified over the years has increased more than 5-fold since 1950 (12 mg/capita/day) to 2012 (68 mg/capita/day). In the past 38 years, there have been studies of adverse behavioral reactions such as hyperactivity in children to double-blind challenges with AFCs. Studies that used 50 mg or more of AFCs as the challenge showed a greater negative effect on more children than those which used less. The study reported here is the first to quantify the amounts of AFCs in foods (specifically in beverages) commonly consumed by children in the United States. Consumption data for all foods would be helpful in the design of more challenge studies. The data summarized here should help clinicians advise parents about AFCs and beverage consumption.
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