Multivariate Optimization of Ultrasound-Assisted Extraction Procedure for the Determination of Ca, Fe, K, Mg, Mn, P, and Zn in Pepper Samples by ICP OES

Gamela, Raimundo R.; Costa, Vinícius Câmara; Pereira-Filho, Edenir Rodrigues

doi:10.1007/s12161-019-01524-5

Cited by 21 publications

(9 citation statements)

References 44 publications

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“…Prior to ICP-OES analysis, a sample preparation step is typically required to make the sample compatible with the instrument. Different approaches for sample preparation of foodstuffs (e.g., dry ashing, ultrasound-assisted extraction and wet digestion) can be employed [11,12]. In the former approach, losses by volatilization and/or retention problems may occur, which can be overcome using wet digestion.…”

Section: Introductionmentioning

confidence: 99%

An Inductively Coupled Plasma Optical Emission Spectrometric Method for the Determination of Toxic and Nutrient Metals in Spices after Pressure-Assisted Digestion

2022

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The aim of this study was to develop a simple and rapid inductively coupled plasma optical emission spectrometric (ICP-OES) method for the determination of 17 metals (Ag, Al, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Fe, Mg, Mn, Ni, Pb, Tl and Zn) in packaged spices. For this purpose, the spice samples (200 mg) in the form of powder were submitted to pressure-assisted wet-acid digestion with a mixture of 6 mL concentrated HNO3 and 1 mL H2O2. The proposed method was validated in terms of linearity, trueness, precision, limits of detection (LODs) and limits of quantification (LOQs). Good method trueness, precision and linearity were observed for the examined elements. The LODs of the examined analytes ranged between 0.08 and 5.95 mg kg−1. The present method was employed for the analysis of twenty-two packaged commercially available spices including asteroid anise, clove, cardamon, cinnamon, curry, coriander, turmeric, cumin, white pepper, black pepper, nutmeg, allspice, red pepper, paprika, ginger, green pepper and pink pepper from the Greek market that are widely consumed. A wide variety of metal of different concentration ranges were determined in the samples.

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Section: Introductionmentioning

confidence: 99%

An Inductively Coupled Plasma Optical Emission Spectrometric Method for the Determination of Toxic and Nutrient Metals in Spices after Pressure-Assisted Digestion

2022

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“…The ultrasound-assisted extraction procedure is based on leaching of ions from powdered samples by the action of highintensity sonication in an acid solution, which the extraction of the analytes occurs due to a phenomenon known as acoustic cavitation (Santos et al, 2006;Tiwari, 2015). It has been demonstrated that the combination of ultrasound-assisted extraction and dilute acids is an effective strategy for the development of greener, fast and inexpensive sample preparation procedures (Gois et al, 2018;Gamela et al, 2020;Pohl et al, 2020).…”

Section: Multivariate Approaches Applied To Optimization Of An Ultras...mentioning

confidence: 99%

Multivariate approaches applied to optimization of an ultrasound-assisted extraction procedure for determination of essential elements in guarana samples by ICP OES

et al. 2022

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In the present work, a simple and high-throughput analytical procedure based on ultrasound-assisted extraction with diluted acid was proposed for the determination of Ca, Mg, K, P, S, Fe, Cu and Mn in guarana samples using inductively coupled plasma optical emission spectrometry. Two multivariate approaches were employed for optimization of the extraction procedure: mixture and Doehlert designs. The best experimental conditions were established by application of a multi-response function (overall desirability). An extractor medium composed of diluted nitric acid was selected for analytes extraction. Optimized conditions for ultrasound-assisted extraction followed the temperature of 60 °C, sonication time of 10 min and power of 100% applied to the ultrasonic bath. After the analytical validation step, the proposed procedure was successfully employed for determination of essential elements in thirty-three guarana samples from the state of Bahia, Brazil. Mass fractions higher than 0.42% (m m -1 ) were found for potassium in all analyzed samples. For the other macro-elements, the mass fraction ranged from 514 mg kg -1 (magnesium) to 0.19% m m -1 (calcium). The mass fraction of micro-elements ranged from 5.1 to 91.3 mg kg -1 for cooper and iron, respectively.

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“…To date, various analytical techniques, such as inductively coupled plasma‐mass spectrometry (ICP‐MS) [7–10], inductively coupled plasma‐optical emission spectrometry (ICP‐OES) [11–13], and flame/electrothermal atomic absorption spectrometry (AAS) [14–16], have been used for the determination of metals in food. ICP‐MS and ICP‐OES are widely used due to their superior features (e.g., simultaneous multielement determination, extraordinary analytical sensitivity, and so on) [17, 18]; however, the instrument procurement/running cost are quite expensive and require highly skilled instrument operators.…”

Section: Introductionmentioning

confidence: 99%

Rapid determination of metallic additives in century eggs by microwave plasma‐atomic emission spectrometer and microwave‐assisted digestion

Chen,

Weng,

Wang

et al. 2024

J Chinese Chemical Soc

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Century eggs (also known as pídàn) are a widely used preserved food product in Taiwanese cuisine. Due to their peculiar appearance, pungent odor, and unusual texture, several consumers have raised concerns. Actually, some metallic additives are employed to control the quality of gelation of protein during the production of century eggs. Therefore, a method involving microwave plasma‐atomic emission spectrometer and microwave‐assisted digestion was proposed in this study. In addition, to clarify distribution information of metallic additives in century eggs, detailed analyses based on the egg structure were adopted. The linearities for Fe and Zn were obtained in the range of 0.1–5, and 0.02–1 mg L−1 for Cu and Pb. The method detection limits for test metals were 0.06–0.036 mg L−1. The measured values for the RM EGGS‐1 sample agreed reasonably well with the reference values, demonstrating that the developed method is practical for routine analysis with lower instrument procurement/running cost. The analytical results for century eggs collected from local markets revealed diverse distributions of metal ions in different parts. Remarkably, this method can readily identify the metallic additives used during the production processes even in the presence of complicated matrices.

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Multivariate Optimization of Ultrasound-Assisted Extraction Procedure for the Determination of Ca, Fe, K, Mg, Mn, P, and Zn in Pepper Samples by ICP OES

Cited by 21 publications

References 44 publications

An Inductively Coupled Plasma Optical Emission Spectrometric Method for the Determination of Toxic and Nutrient Metals in Spices after Pressure-Assisted Digestion

An Inductively Coupled Plasma Optical Emission Spectrometric Method for the Determination of Toxic and Nutrient Metals in Spices after Pressure-Assisted Digestion

Multivariate approaches applied to optimization of an ultrasound-assisted extraction procedure for determination of essential elements in guarana samples by ICP OES

Rapid determination of metallic additives in century eggs by microwave plasma‐atomic emission spectrometer and microwave‐assisted digestion

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