Using Stripping Voltammetry to Determine Heavy Metals in Cooking Spices Used in Iraq

Matloob, Mohammed Hashim

doi:10.15244/pjoes/62401

Cited by 13 publications

(7 citation statements)

References 32 publications

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“…The author observed that spice grinding in commercial mills can lead to the incorporation of 3 to 5 times more Fe, due to the wear of the grinding equipment used in this process. High levels of Fe have also been reported by De La Calle et al 20 (1264 ± 216 mg kg -1 ), Jawad 21 (481.28 ± 2.37 mg kg -1 ), Karadaş et al 19 (158 ± 19 mg kg -1 ), Matloob 8 (194.1 ± 39.03 mg kg -1 ), Özcan et al 17 (89.24 ± 11.43 mg kg -1 ), Seddigi et al 7 (144 ± 9.2 mg kg -1 ), Singh and Garg 14 (76.0 mg kg -1 ), Soliman 25 (620.02 ± 541.36 mg kg -1 ) and Soylak et al 12 (281.8 ± 20.5 mg kg -1 ).…”

Section: Discussionmentioning

confidence: 53%

“…6 In this context, the number of studies aiming at the determination of trace elements in plant samples, such as spices, herbs and medicinal plants, including black pepper, has increased in recent years. [5][6][7][8][9][10][11][12][13][14][15][16] Different analytical procedures have been reported in the literature for the determination of trace elements in pepper. Özcan et al 17 reported the determination of 18 elements in black pepper samples after acid decomposition using inductively coupled plasma optical emission spectrometry (ICP OES).…”

Section: Introductionmentioning

confidence: 99%

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Multi-Element Evaluation in Black Pepper (Piper nigrum L.) According to the Processing

Krause

Vieira

Cunha

et al. 2020

J. Braz. Chem. Soc.

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Black pepper is one of the most consumed spices worldwide and the evaluation of trace elements content is essential to promote consumer safety. In this study, concentrations of the elements As, Cd, Co, Cu, Fe, Mn, Mo, Ni, Pb, Se, V and Zn was determined in samples of black peppercorn (n = 25) and ground black pepper (n = 25) to verify how processing affects element concentrations. The elements were determined by inductively coupled plasma mass spectrometry and flame atomic absorption spectrometry. A principal component analysis showed that Fe, Pb and V was influenced by the processing and ground black pepper samples showed higher levels for these elements than black peppercorn. Although specific legislation for spices is not available in Brazil, results indicated that Pb concentrations in two brands of the processed samples under investigation exceeded the maximum level established by Brazilian and European legislation for vegetables and fruits. These results point to the necessity to control the processing of the black pepper, especially the grinding step.

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Section: Discussionmentioning

confidence: 53%

Section: Introductionmentioning

confidence: 99%

Multi-Element Evaluation in Black Pepper (Piper nigrum L.) According to the Processing

Krause

Vieira

Cunha

et al. 2020

J. Braz. Chem. Soc.

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“…The average manganese concentrations in the greenhouse plants ranged from 2.35 (site Ko) to 7.63 mg•kg −1 d.w. (site Ru), while in field cultivation they ranged from 6.59 mg•kg −1 d.w. (site Ko) to 9.94 mg•kg −1 d.w. (site Wa; Table 2). A comparable range of concentrations of this metal was obtained for chili pepper fruits purchased in shops in Babil in Iraq [62]. Manganese, like Zn and Cu, is an important microelement for plant growth and development, and concentrations of 10-20 mg•kg −1 d.w. indicate a deficiency [63,64].…”

Section: Content Of Heavy Metals In Bell Pepper Fruitsmentioning

confidence: 61%

Effect of the Cultivation Method and the Distance from a Steel Mill on the Content of Heavy Metals in Bell Pepper Fruit

Mundała,

Szwalec

2023

Sustainability

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Vegetables grown in areas affected by industrial emissions may be subject to contamination with heavy metals. In the present study, this issue was investigated in sweet pepper grown using two different methods and at various distances from a steel mill. Four sites, designated Ko, Po, Wa, and Ru, located at distances of 3.5, 6, 11, and 18 km from a steel mill, were selected for the study. The contents of zinc, copper, nickel, manganese, cadmium, chromium, and lead were determined in the pepper fruits and in the soil. Peppers grown in the vicinity of a steel mill had acceptable contents of all the elements analysed; only cadmium concentrations were excessive for food plants. The study confirmed the effect of a plastic greenhouse on the concentrations of metals in the analysed pepper fruits, whereas the cultivation method had no statistically significant effect on the levels of the elements in the soil. The distance factor also affected the concentrations of metals in the peppers and soil, but to a lesser extent than the cultivation method. The combined effect of both factors was the least pronounced, for all elements in the fruits and in the soil.

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“…Although, the analysis of heavy metals in food samples starts with pre-treatment step, it must be followed by analytical determination [16]. Although many advance analytical techniques such as atomic absorption spectroscopy (AAS) [17], graphite furnace atomic absorption spectroscopy (GFAAS) [18], inductively coupled plasma optical emission spectroscopy (ICP-OES) [19], inductively coupled plasma atomic emission spectroscopy (ICP-AES) [8], and electrochemical method [20], have been well developed for the determination of heavy metals in food samples.…”

Section: Introductionmentioning

confidence: 99%

Determination of Selected Toxic Heavy Metals and Analysis of Proximate Composition in White Sugar Manufactured from the Omo Kuraz Sugar Factory in Ethiopia

Bekele

2024

Preprint

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The aim of this study was to determine the concentration level of selected toxic heavy metals and analyze proximate parameters in white sugar products collected from Omo Kuraz sugar factory in Ethiopia. The white sugar samples were extracted by using single drop microextraction (SDME) prior to toxic heavy metal analysis by Atomic Absorption spectroscopy (AAS) following optimized extraction procedures. The results of protein, fat, fiber, moisture, total solid, ash and carbohydrate were found to be 1.07–1.57, 1.25–2.08, 0.132–0.281, 0.184–0.750, 99.3–99.8, 3.00- 4.66 and 91.7–93.2%, respectively. The average concentration of toxic heavy metals found in all white sugar samples were ranged as 0.217–0.617 and 0.054–0.508 mg/kg for Cd and Pb, respectively. The contribution of toxic elements Cd and Pb to the overall intake from the analyzed white sugar samples were below FAO/WHO recommended limit. Based on the current results, keeping close watch on these contaminants is recommended in order to guide consumers against the health risks associated with these toxic metals.

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Using Stripping Voltammetry to Determine Heavy Metals in Cooking Spices Used in Iraq

Cited by 13 publications

References 32 publications

Multi-Element Evaluation in Black Pepper (Piper nigrum L.) According to the Processing

Multi-Element Evaluation in Black Pepper (Piper nigrum L.) According to the Processing

Effect of the Cultivation Method and the Distance from a Steel Mill on the Content of Heavy Metals in Bell Pepper Fruit

Determination of Selected Toxic Heavy Metals and Analysis of Proximate Composition in White Sugar Manufactured from the Omo Kuraz Sugar Factory in Ethiopia

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