Estimation of honey authenticity by multielements characteristics using inductively coupled plasma-mass spectrometry (ICP-MS) combined with chemometrics

Chudzińska, Maria; Barałkiewicz, Danuta

doi:10.1016/j.fct.2009.10.011

Cited by 130 publications

(95 citation statements)

References 24 publications

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“…Potassium and Na have the highest share in different Polish floral honeys, 14 i.e., to over 3200 mg g -1 (K) and up to 100 mg g -1 (Na), these metals are also easily ionized in C 2 H 2 -air flames. For that reason, the effect of K and Na concentrations on the analytical performance of FOES for Li was studied in detail.…”

Section: Effect Of K Na Glucose and Fructose On LI Responsementioning

confidence: 99%

Pre-concentration of lithium prior to its determination in honey by flame optical emission spectrometry

Stecka¹,

Pohl²

2011

J. Braz. Chem. Soc.

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Foi proposto um procedimento para a pré-concentração e determinação de traços de lítio em diferentes méis florais, empregando para a extração contínua em fase sólida uma resina de troca catiônica fortemente ácida, a Dowex 50W×8-200. Ao se eluir as soluções de méis a 10% em massa, na coluna empacotada com a resina de troca catiônica, os íons Li + , K + e Na + foram retidos na resina enquanto que os açúcares simples não foram retidos e se encontraram integralmente nos eluatos. Os cátions Li + , Na + e K + foram eluídos com uma solução de HCl 1,0 mol L -1 após a lavagem das colunas com água; os analitos presentes nesse eluato foram determinados por espectrometria de emissão ótica com chama (FOES). O limite de detecção instrumental (LOD) apresentado pelo método foi de 0,05 ng g -1 de lítio e o método foi empregado para a quantificação de Li em diversos méis naturais e comerciais. A faixa de concentração ótima para a determinação de Li foi de 0,4 a 5,3 ng g -1 com precisão de 8-11%. A exatidão do método proposto foi avaliada por estudos de recuperação do analito e está no intervalo de 98 a 106%, demonstrando a confiabilidade dos resultados obtidos.A procedure based on solid phase extraction with a strongly acidic cation-exchanger Dowex 50W×8-200 was proposed to pre-concentrate and determine ultra-traces of Li in different floral honeys. When loading 10% (m/v) honey solutions onto columns packed with the cation-exchanger, Li + ions were retained on the resin along with K + and Na + , while simple sugars were passed through columns and were entirely found in effluents. In turn, columns were washed with water and eluted with a 1.0 mol L -1 HCl solution to strip Li + that was subsequently determined in respective eluates by flame optical emission spectrometry (FOES). The proposed method was characterized by a limit of detection (LOD) of 0.05 ng g -1 of Li and later used for analysis of several raw and commercial mono-and multi-flower honeys. It enabled to determine from 0.4 to 5.3 ng g -1 of Li with precision being within 8-11%. Accuracy of this sample pre-treatment procedure and analysis method was assessed applying spike recovery tests. Recoveries of added Li were found to be within 98 to 106%, demonstrating trustworthiness of results achieved.

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Section: Effect Of K Na Glucose and Fructose On LI Responsementioning

confidence: 99%

Pre-concentration of lithium prior to its determination in honey by flame optical emission spectrometry

Stecka¹,

Pohl²

2011

J. Braz. Chem. Soc.

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“…This composition represented an average content of the studied constituents in the 5.0% (m/v) water solutions of Polish honeys. 17,18 The latter solutions were acidified with a 0.01 mol L -1 HCl solution to reach the pH of 3.5, 4.0 and 4.5 and then used in the study of the cation exchange behavior of Ca, K, Mg, Na, fructose and glucose toward the resins applied.…”

Section: Reagents and Materialsmentioning

confidence: 99%

Fast and interference free determination of calcium and magnesium in honeys by solid phase extraction followed by flame atomic absorption spectrometry

Pohl

Stecka

2012

J. Braz. Chem. Soc.

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Um procedimento para preparo de amostras, baseado na extração em fase sólida e eluição em duas etapas foi desenvolvido para a determinação da concentração total de Ca e Mg em méis de abelha. As amostras de mel foram tratadas como segue: soluções de amostra (50 mL) a 5,0% (m/v) foram passados a uma vazão de 20 mL min -1 , através de resina Dowex 50W×8-400, para reter íons Ca(II) e Mg(II) e separá-los da matriz contendo glicose e frutose, e dos minerais aniônicos. Depois, 20 mL de uma solução de HNO 3 0,5 mol L -1 foram usados para remover os íons K e Na. Finalmente, Ca e Mg foram eluídos com 5 mL de solução de HCl 2,0 mol L -1 antes da medida de suas concentrações por espectrometria de absorção atômica em chama (FAAS). O procedimento proposto para o preparo da amostra foi rápido (30 min) e permitiu medir as concentrações de Ca e Mg em mel, com precisão de 1-5% e exatidão de 1-3%. Os limites de detecção de 24 ng g -1 de Ca e 4,4 ng g -1 de Mg foram obtidos para FAAS com este procedimento.A sample preparation procedure based on the solid phase extraction and the two-step elution was developed for the determination of the total concentrations of Ca and Mg in bee honeys. The honey samples were treated as follows: the 5.0% (m/v) sample solutions (50 mL) were passed at the flow rate of 20 mL min -1 through the resin beds of Dowex 50W×8-400 to retain the Ca(II) and Mg(II) ions and separate them from the matrix of glucose and fructose in addition to the anionic minerals. Afterwards, 20 mL of a 0.5 mol L -1 HNO 3 solution was used to remove the K and Na ions. Finally, Ca and Mg were eluted prior to the measurements of their concentrations by flame atomic absorption spectrometry (FAAS) using 5 mL of a 2.0 mol L -1 HCl solution. The proposed sample preparation procedure was fast (30 min) and enabled to measure the concentrations of Ca and Mg in honey with the precision of 1-5% and the accuracy of 1-3%. The limits of detection of 24 ng g -1 of Ca and 4.4 ng g -1 of Mg were obtained for FAAS with this procedure.

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“…All samples were unpasteurized and collected from the local association of beekeepers with a guaranteed origin and prepared by applying traditional procedures of the honey-producing region. The samples were stored in glass bottles and kept at 4-5°C in dark place until analysis [1,2].…”

Section: Honey Samplesmentioning

confidence: 99%

“…The composition of honey is influenced by many factors related to the geographical and botanical origin. The content of mineral components in honey may represent the availability of elements in the soil and plants in the area where the honey was gathered [1,2]. The content of these elements can provide essential information for consumers, which is why the estimation of quality parameters is so important.…”

Section: Introductionmentioning

confidence: 99%

“…The content of these elements can provide essential information for consumers, which is why the estimation of quality parameters is so important. In recent years, concentration patterns of trace elements were widely used in food authenticity studies [1][2][3][4][5][6]. Because Poland produces many types of unifloral, multifloral and honeydew honey that are commercially available, we developed and applied analytical methods to measure the content of 13 major and trace elements in honey.…”

Section: Introductionmentioning

confidence: 99%

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Method validation for determination of 13 elements in honey samples by ICP-MS

2011

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A method for simultaneous ICP-MS determination of 13 elements in three types of honey from Poland is described. The method was validated, and the uncertainty budget was set up. The results obtained for the relative expanded uncertainties U rel (k = 2) were 15.1% for Al, 18.6% for B, 18.8% for Ba, 7.9% for Ca, 24.4% for Cd, 7.24% for Cu, 7.9% for K, 4.8% for Mg, 8.3% for Mn, 12.7% for Na, 14.9% for Ni, 12.5% for Pb and 13.4% for Zn. Traceability of the measurement results was established based on the use of the corn flour CRM INCT-CF-3 and the apple leaves CRM SRM 1515 and by analyzing spiked samples. Recovery rates between 94% (Zn) and 107% (Na) were found. The detection limits of all elements studied showed the suitability of the procedure for routine analyses. Summarizing it can be concluded that the described analytical procedures to measure the mass fractions of 13 elements in honey samples with established traceability and evaluated uncertainty allow to obtain reliable and internationally comparable results.

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Estimation of honey authenticity by multielements characteristics using inductively coupled plasma-mass spectrometry (ICP-MS) combined with chemometrics

Cited by 130 publications

References 24 publications

Pre-concentration of lithium prior to its determination in honey by flame optical emission spectrometry

Pre-concentration of lithium prior to its determination in honey by flame optical emission spectrometry

Fast and interference free determination of calcium and magnesium in honeys by solid phase extraction followed by flame atomic absorption spectrometry

Method validation for determination of 13 elements in honey samples by ICP-MS

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