Analytical extraction procedure combined with atomic and mass spectrometry for the determination of tin in edible oil samples, and the potential application to other chemical elements

Silva, Antonio Francisco da; Papai, Rodrigo; Luz, Maciel Santos; Gaubeur, Ivanise

doi:10.1016/j.jfca.2020.103759

Cited by 14 publications

(4 citation statements)

References 24 publications

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“…The LODs and LOQs together with the upper limit of the linear range of the ICP-AES method are also given in Table 2. The LODs ranged between 0.09-2.43 μg/g, and were comparable with other works that used microwave digestion for the dissolution of the edible oils [30][31][32][33]. Considering this fact, the proposed method could be used as an alternative to microwave assisted digestion.…”

Section: Figures Of Meritsupporting

confidence: 81%

Determination of Metals in Walnut Oils by Means of an Optimized and Validated ICP-AES Method in Conventional and Organic Farming Type Samples

et al. 2021

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Agricultural products are indispensable for equilibrated diets since they discharge minerals and several bioactive constituents. Considering the increasing demand for organic products, research has been conducted over recent years to investigate whether organically grown food products are chemically different compared to those produced with conventional farming. In this work, a novel inductively coupled plasma atomic emission spectrometric method was developed and validated for the determination of nutrient and toxic elements in walnut oils produced with conventional and organic farming. The method presented good linearity (r2 > 0.9990) for each element at the selected emission line. The limits of detection and limits of quantification ranged between 0.09 μg g−1 to 2.43 μg g−1 and 0.28 μg g−1 to 8.1 μg g−1, respectively. Method accuracy and was assessed by analyzing the certified reference materials BCR 278-R and spiked walnut oil samples. The determined metals were quantified, and the results were analyzed by Student’s t-test to investigate the differences in the elemental profile of the walnut oils according to type of farming (conventional or organic).

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Section: Figures Of Meritsupporting

confidence: 81%

Determination of Metals in Walnut Oils by Means of an Optimized and Validated ICP-AES Method in Conventional and Organic Farming Type Samples

et al. 2021

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“…Samples containing water and acetic acid as simulants were directly analyzed, while ethanol samples were diluted at a ratio of 1:10 with ultrapure water. In contrast, olive oil samples were prepared following the extraction induced by emulsion breaking (EIEB) method [53][54][55][56]. First, the extracting solution was prepared by dissolving 2.0 g Triton X-100 in 100 mL nitric acid 3% (v/v).…”

Section: Quantification Of Copper Ions Spontaneously Released Into Fo...mentioning

confidence: 99%

Inhibitory Effect against Listeria monocytogenes of Carbon Nanoparticles Loaded with Copper as Precursors of Food Active Packaging

Marchese

Destro

Boselli

et al. 2022

Foods

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Human listeriosis is a serious foodborne disease of which outbreaks are occurring increasingly frequently in Europe. Around the world, different legal requirements exist to guarantee food safety. Nanomaterials are increasingly used in the food industry as inhibitors of pathogens, and carbon nanomaterials are among the most promising. In the present study, novel carbon nanoparticles loaded with copper (CNP-Cu) were prepared, and their antimicrobial activity against Listeria monocytogenes was assessed. CNPs of two sizes were synthesized and characterized by dynamic light scattering (DLS), electrophoretic light scattering (ELS) and electron microscopy (EM). The minimum inhibitory concentration (MIC) of CNP-Cu was determined in accordance with the available standard. To get insights into its mechanism of action, the release of copper ions into a cell media was assessed by inductively coupled plasma optical emission (ICP-OE), and the ability of loaded CNPs to generate cytotoxic reactive oxygen species (ROS) was evaluated by EPR spectroscopy. Finally, the extent of release of copper in a food simulant was assessed. The results demonstrated the antimicrobial effectiveness of CNP-Cu, with growth inhibition up to 85% and a release of copper that was more pronounced in an acidic food simulant. Overall, the results indicate CNP-Cu as a promising agent for the design of active food packaging which is able to improve food shelf-life.

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“…For example, the use of concentrated HClO 4 and H 2 O 2 is associated with explosive conditions 11 , concentrated HNO 3 produce carcinogenic nitrous oxide 12 , while HCl and HF are corrosive and can dissolve glass optics of the spectrometric techniques and are highly toxic 13 . Acid waste generated can cause environmental pollution 14 and concentrated acids can be costly during MAAD 15 . Additionally, resulted digest containing concentrated acids can cause matrix effect challenges during spectrometric quantification using external aqueous calibration standardization method 16 .…”

Section: Introductionmentioning

confidence: 99%

Microwave-assisted hydrogen peroxide digestion followed by ICP-OES for determination of metals in selected fuel oils

Mdluli,

Knottenbelt,

Nomngongo

et al. 2024

Sci Rep

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This work describes a greener and cost-effective microwave-assisted hydrogen peroxide digestion (MA-HPD) with the addition of 1 mL of HNO3 (70% v/v) to enhance extraction of selected metals (Al, Ba, Cd, Co, Cr, Cu, Mg, Na, Ni, Pb, Sb, Ti and V) in crude-oil, diesel, gasoline and kerosene samples prior to inductively coupled plasma-optical emission spectroscopic (ICP-OES) analysis. The most influential parameters of the MA-HPD method were investigated by using multivariate optimization tools (two-level full factorial and central composite designs) and fuel oil certified reference material (NIST1634c). The optimum conditions were observed to be 245 ℃ microwave temperature, 25 min digestion time, 0.1 g sample mass and 5 M H2O2 were the optimum digestion conditions with accepted accuracy (104.8–117.7%) and precision (≤ 4.1%). In overall, the metals that reported high concentrations in the crude oil, diesel, gasoline, and kerosene samples were Na (51.94–58.86 mg/kg) and Mg (36.08–47.4 mg/kg), while Cu was the lowest (0.55–2.89 mg/kg). When comparing the obtained concentration levels with other literature reports, a conclusion can be drawn that South Africa is importing oils of reasonable quality.

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Analytical extraction procedure combined with atomic and mass spectrometry for the determination of tin in edible oil samples, and the potential application to other chemical elements

Cited by 14 publications

References 24 publications

Determination of Metals in Walnut Oils by Means of an Optimized and Validated ICP-AES Method in Conventional and Organic Farming Type Samples

Determination of Metals in Walnut Oils by Means of an Optimized and Validated ICP-AES Method in Conventional and Organic Farming Type Samples

Inhibitory Effect against Listeria monocytogenes of Carbon Nanoparticles Loaded with Copper as Precursors of Food Active Packaging

Microwave-assisted hydrogen peroxide digestion followed by ICP-OES for determination of metals in selected fuel oils

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