Measearment of Cadmium, Zinc, Lead, Iron, Aluminium and Copper in Imported and Internal Tea in Iranian Market by ICP-OES and ICP-MS Techniques

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KAZEMI SH.; Asadolahzadeh m.j.; ABDI K.

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Journal: Journal of Food Technology and Nutrition Year:2020 | Volume:17 | Issue:1 (65) Page(s): 63-74

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Title

Measearment of Cadmium, Zinc, Lead, Iron, Aluminium and Copper in Imported and Internal Tea in Iranian Market by ICP-OES and ICP-MS Techniques

Author(s)

KAZEMI SH. | Asadolahzadeh m.j. | ABDI K. | Issue Writer Certificate

Keywords

Extraction Inductively Coupled Plasma Emission Spectroscopy Metals Mass Spectrometry and Inductively Coupled Plasma TeaQ1

Abstract

Introduction: The amount of heavey metal elements in tea mighg have significant impact on human health. In the present study, the amount of heavy metal elements such as cadmium (Cd), lead (Pb), zinc (Zn), iron (Fe), aluminum (Al) and copper (Cu) in some imported tea samples and local tea samples cultivated in Iran have been evaluated. Materials and Methods: The Tea samples were prepared by three different methods including Digestion, Brew and Infusion and the concentration of heavy metals in the prepared samples were measured by ICP-OES and ICP-MS. Results: Aluminum with a concentration of 853. 9 µ g/g and the cadmium element with the concentration of 0. 99 µ g/g were found to be the highest and lowest in the samples examind, respectively. Among the extraction methods, the concentration of extracted elements in digestion method was significantly higher than other methods. The statistical analysis of the obtained results by ICP-OES and ICP-MS revealed that there is no significant difference between the detected concentrations of Al, Zn, Fe, Cu and Cd eighter in the local or imported tea samples in each of the extraction methods. The obtained result showed that the amount of detected Pb in the ICP-MS technique for both internal and imported tea samples is significantly higher than those of ICP-OES technique. Conclusion: Concentrations of all metal elements in the studied tea samples were significantly higher than of standard reference (NIESNO. 7). However, the estimated daily intake of all elements for each adult person is still within the allowable level of the World Health Organization.

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APA: Copy

KAZEMI, SH., Asadolahzadeh, m.j., & ABDI, K.. (2020). Measearment of Cadmium, Zinc, Lead, Iron, Aluminium and Copper in Imported and Internal Tea in Iranian Market by ICP-OES and ICP-MS Techniques. JOURNAL OF FOOD TECHNOLOGY AND NUTRITION, 17(1 (65) ), 63-74. SID. https://sid.ir/paper/143232/en

Vancouver: Copy

KAZEMI SH., Asadolahzadeh m.j., ABDI K.. Measearment of Cadmium, Zinc, Lead, Iron, Aluminium and Copper in Imported and Internal Tea in Iranian Market by ICP-OES and ICP-MS Techniques. JOURNAL OF FOOD TECHNOLOGY AND NUTRITION[Internet]. 2020;17(1 (65) ):63-74. Available from: https://sid.ir/paper/143232/en

IEEE: Copy

SH. KAZEMI, m.j. Asadolahzadeh, and K. ABDI, “Measearment of Cadmium, Zinc, Lead, Iron, Aluminium and Copper in Imported and Internal Tea in Iranian Market by ICP-OES and ICP-MS Techniques,” JOURNAL OF FOOD TECHNOLOGY AND NUTRITION, vol. 17, no. 1 (65) , pp. 63–74, 2020, [Online]. Available: https://sid.ir/paper/143232/en

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