Assessment of Mercury Level in Local Polish and Imported Honeys with Use of Direct Mercury Analyzer
Monika Tomczyk
Department of Chemistry and Food Toxicology, Institute of Food Technology and Nutrition, University of RzeszówPoland
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, , e Małgorzata Dżugan
Department of Chemistry and Food Toxicology, Institute of Food Technology and Nutrition, University of RzeszówPoland
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30 giu 2023
INFORMAZIONI SU QUESTO ARTICOLO
Categoria dell'articolo: Original Article
Pubblicato online: 30 giu 2023
Pagine: 5 - 13
Ricevuto: 17 ago 2022
Accettato: 15 feb 2023
DOI: https://doi.org/10.2478/jas-2023-0001
Parole chiave
© 2023 Monika Tomczyk et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Fig. 1.
Fig. 2.
Validation parameters of the used method and evaluation criteria
| Parameter | Analyte |
Evaluation criterion | |||
|---|---|---|---|---|---|
| Mercury | |||||
| Linearity-correlation coeficient R2 | 0.9998 | ≥0.998 | |||
| Limit of detection (LOD) (mg/kg) | 0.00009 | ||||
| Limit of quantification (LOQ) (mg/kg) | 0.0001 | ||||
| Spiked sample analysis | Foodstuff | Level of enrichment (mg/kg) | Recovery |
Commission Regulation (UE) No 2021/705 | |
| honey | 0.00142 | 98.45 | |||
| 0.00948 | 90.37 | ||||
| 0.9480 | 105.35 | ||||
| poultry meat | 0.00095 | 109.00 | |||
| 0.9480 | 105.52 | ||||
| butter | 0.00948 | 104.56 | |||
| red currant | 0.00948 | 98.81 | |||
| celery | 0.00948 | 94.41 | |||
| Dietary supplement | 0.09480 | 101.25 | |||
| red shrimp | 0.47400 | 104.42 | |||
| zander fillet with skin fresh | 0.56880 | 94.95 | |||
| Repeatability RSDr (%) |
0.05 | HORRATr < 2 | |||
| Accreditation scope (mg/kg) | 0.001 – 1.00 | - | |||
| The lower reading range of the results for the purposes of this work: from LOQ of the method | |||||
Mercury content in individual honey samples
| No. sample | Honey variety/country of origin | Mean± SD [μg/kg] | No. sample | Honey variety | Mean± SD [μg/kg] |
|---|---|---|---|---|---|
| 1 | MT/Poland | n.d. | 24 | L/Europe | 0.1157±0.0817 |
| 2 | MT/Poland | n.d. | 25 | L/Europe | n.d. |
| 3 | MT/Poland | 0.1273±0.0734 | 26 | L/Europe | 0.1112±0.0786 |
| 4 | MT/Europe and abroad | n.d. | 27 | L/Europe and abroad | 0.1159±0.0818 |
| 5 | MT/Europe and abroad | n.d. | 28 | L/Poland | 0.1041±0.0735 |
| 6 | MT/Europe | 0.2636±0.1520 | 29 | L/Poland | n.d. |
| 7 | MT/Poland | n.d. | 30 | B/Poland | n.d. |
| 8 | MT/Poland | 0.2743±0.1582 | 31 | B/Poland | 0.2031±0.1434 |
| 9 | MT/Europe and abroad | 0.1136±0.0655 | 32 | B/Europe and abroad | n.d. |
| 10 | MT/Ukraine and Bulgaria | n.d. | 33 | B/Poland | n.d. |
| 11 | MT/Poland | n.d. | 34 | A/Ukraine and Italy | n.d. |
| 12 | MT/Poland | n.d. | 35 | A/Poland | 0.1309±0.0925 |
| 13 | MT/Poland | n.d. | 36 | A/Europe and abroad | 0.5383±0.3802 |
| 14 | MT/Europe and abroad | 0.2958±0.2088 | 37 | CH/Italy | 0.8119±0.4683 |
| 15 | MT/Europe and abroad | n.d. | 38 | CH/Poland | 0.5773±0.3330 |
| 16 | MT/Europe and abroad | 0.1823±0.1287 | 39 | CH/Poland | n.d. |
| 17 | MT/Europe and abroad | n.d. | 40 | R/Poland | 0.6731±0.4754 |
| 18 | MT/Europe and abroad | 0.5915±0.4178 | 41 | H/Spain | 0.2390±0.1689 |
| 19 | MT/Poland | 0.3263±0.2306 | 42 | LH/Europe | n.d. |
| 20 | MT/Europe and abroad | 0.1367±0.0966 | 43 | T/Spain | 0.5214±0.3007 |
| 21 | MT/Ukraine | n.d. | 44 | E/Uruguay | 0.4339±0.2502 |
| 22 | MT/Poland | n.d. | 45 | C/Italy | 0.3441±0.1985 |
| 23 | L/Poland | 0.1159±0.0818 |