Hazard Potential Assessment of the Residual Heavy Metals (As, Pb, Cd) in Infused Black Tea Samples in Military Centers

Document Type : Original Research

Authors

1 Health Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran

2 Health Management Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran

3 Students’ Research Committee, Baqiyatallah University of Medical Sciences, Tehran, Iran

Abstract

Background and Aim: Infused black tea is one of the conventional drinks in Iran. Soil contamination with heavy metals can lead to accumulation in tea and causes adverse health effects. This study investigated the hazard potential of the residual heavy metals (As, Pb, Cd) in infused black tea samples in military centers.
Methods: This descriptive-analytical and cross-sectional study conducted in 2019. Six brands of high-consumption tea samples in military centers, including three Iranian and three foreign brands selected and randomized triplicated 5 g samples collected from each brand. After twenty minutes of infusion in boiled distilled water, the concentrations of heavy metals measured using ICP-OES. The results analyzed using Excel and SPSS software (Ver. 13) and the hazard potential indices calculated by THQ, TR, and HI.
Results: Heavy metals concentration in Iranian brands was higher than the foreign with no significant differences (P < /em> >0.05). The maximum and minimum concentrations of arsenic in foreign brands (Ahmad and Golestan) were 0.019, 0.011 mg/l and in Iranian Brands (Damaneh and Fumenate) were 0.021, 0.006 mg/l respectively. The maximum and minimum concentrations of cadmium in Golestan and Ahmad were 0.002 mg/l and non-detectable and in all of the Iranian brands were 0.002, 0.001 mg/l respectively. The maximum and minimum concentrations of lead in Golestan and Ahmad were 0.068, 0.006 mg/l and in Refah and Fumenate were 0.021, 0.006 mg/l respectively. Hazard potential including THQ, TR, and HI indices for all brands, was lower than the recommended guideline values (>1).
Conclusion: Concentrations of arsenic and lead in all of the samples were higher than the national standards and WHO Guidelines. However, the hazard potential of the residual metals based on the calculation of indicators was lower than the recommended values from points of health consequences.

Keywords


1) Sobhan A.S. Assessing of As, Zn, Pb, Cd, Cr, Cu and Mn Contamination in Groundwater Resources of Razan Plain Using Water Quality Pollution Indices. J Neyshabur Univ Med Sci.2017: 4 (4); 33-45. 2) Ali H, Khan E. What are heavy metals? Long-standing controversy over the scientific use of the term ‘heavy metals’–proposal of a comprehensive definition. Toxicol Environ Chem. 2018;100 (1):6-19. 3) Deng Y, Jiang L, Xu L, Hao X, Zhang S, Xu M, et al. Spatial distribution and risk assessment of heavy metals in contaminated paddy fields–A case study in Xiangtan City, southern China. Ecotoxicol Environ Saf. 2019;171:281-9. 4) kamarehei B, Mirhosseini S H, jafari A, Asgari G, Bierjandi M, rostami Z. Study of heavy metal concentration (As, Ba, Cd, Hg, Pb, Cr)in water resources and river of Borujerd city in 2008-2009. yafte. 2010; 11 (4) :45-51. 5) Ozaydin-Yavuz G, Yavuz IH, Demir H, Demir C, Bilgili SG. Alopecia areata different view; Heavy metals. Indian J. Dermatol. 2019;64(1):7. 6) Malakootian M, Mesreghani M, Daneshpazhoo M. A Survey on Pb, Cr, Ni and Cu Concentrations in Tehran consumed black tea: A short report. J. Rafsanjan Univ. Med. Sci. 2011; 10 (2): 138-143. 7) Aghelan N, Sobhan A.S. Health Risk Assessment of Consumption of Tea marketed in Hamadan City, Potential Risk of As, Pb, Cd and Cr. Avicenna Journal of Clinical Medicine. 2016: 23(1); 65-74. 8) Asgari A, Ahmadi Moghaddam M, Mahvi A, Yonesian M. Evaluation of aluminum in Iranian consumed tea. J Knowl Manag. 2008;3(2):45-9. 9) Noll MR. Trace elements in terrestrial environments: biogeochemistry, bioavailability, and risks of metals. J. Environ. Qual. 2003;32(1):374. 10) Dhungana R, Aharon P. Stable isotopes and trace elements of drip waters at DeSoto Caverns during rainfall-contrasting years. Chem. Geol. 2019;504:96-104. 11) Weber AM, Mawodza T, Sarkar B, Menon M. Assessment of potentially toxic trace element contamination in urban allotment soils and their uptake by onions: A preliminary case study from Sheffield, England. Ecotoxicol Environ Saf. 2019;170:156-65. 12) Andrew SC, Taylor MP, Lundregan S, Lien S, Jensen H, Griffith SC. Signs of adaptation to trace metal contamination in a common urban bird. Sci. Total Environ. 2019; 679: 65-86. 13) Naghipour D, Amouei A, Dadashi M, Zazouli MA. Heavy metal content in black tea and their infusions in North of Iran and estimation of possible consumer health risk. Journal of Mazandaran University of Medical Sciences. 2016;26 (143):211-23. 14) Gunjal DB, Naik VM, Waghmare RD, Patil CS, Shejwal RV, Gore AH, et al. Sustainable carbon nanodots synthesised from kitchen derived waste tea residue for highly selective fluorimetric recognition of free chlorine in acidic water: A waste utilization approach. J TAIWAN INST CHEM E. 2019; 95:147-54. 15) Wiebe K, Robinson S, Cattaneo A. Climate Change, Agriculture and Food Security: Impacts and the Potential for Adaptation and Mitigation. J Sci Food Agric. 2019: 55-74. 16) Shekoohiyan S, Ghoochani M, Mohagheghian A, Mahvi AH, Yunesian M, Nazmara S. Determination of lead, cadmium and arsenic in infusion tea cultivated in north of Iran. J environ health sci eng. 2012. 37 (1): 1-6. 17) Zazouli MA, Bandpei AM, Maleki A, Saberian M, Izanloo H. Determination of cadmium and lead contents in black tea and tea liquor from Iran. Asian J Chem. 2010;22(2):1387. 18) Hung DQ, Nekrassova O, Compton RG. Analytical methods for inorganic arsenic in water: a review. Talanta. 2004;64(2):269-77. 19) Vacchina V, Połeć K, Szpunar J. Speciation of cadmium in plant tissues by size-exclusion chromatography with ICP-MS detection. J Anal At Spectrom 1999;14(10): 1557-66. 20) Federation WE, Association APH. Standard methods for the examination of water and wastewater. American Public Health Association (APHA): Washington, DC, USA. 2005. 21) Rose M, Knaggs M, Owen L, Baxter M. A review of analytical methods for lead, cadmium, mercury, arsenic and tin determination used in proficiency testingPresented at the 2001 European Winter Conference on Plasma Spectrochemistry, Lillehammer, Norway, February 4–8, 2001. J Anal At Spectrom. 2001;16(9): 1101-6. 22) Ghasemkhani H, Sobhanardakani S, Cheraghi M. Health risk assessment of consumption of commercial fruit juices marketed in Hamedan City based on potential risk of Zn and Cd. J Neyshabur Univ Med Sci. 2016;4(2): 32-40. 23) Zhong W-S, Ren T, Zhao L-J. Determination of Pb (Lead), Cd (Cadmium), Cr (Chromium), Cu (Copper), and Ni (Nickel) in Chinese tea with high-resolution continuum source graphite furnace atomic absorption spectrometry. J Food Drug Anal. 2016; 24(1):46-55. 24) Cao H, Qiao L, Zhang H, Chen J. Exposure and risk assessment for aluminium and heavy metals in Puerh tea. Sci Total Environ. 2010;408(14):2777-84. 25) Zaree P, Faraji H, Tabatabaee Yazdi F, Karimifar P, Bidkhori H. Faraji Heriss M. Survey and comparison of physicochemical and heavy meta.ls properties in exported and imported tea. JFST.2018; 14 (73): 343-349. 26) Han w, zhao f, shi y, ma l, ruan j. scale and causes of lead contamination in Chinese tea. Environ Pollut. 2006; 139: 125-32. 27) Karimi G, Hasanzadeh M, Nili A, Khashayarmanesh Z, Samiei Z, Nazari F, et al. Concentrations and health risk of heavy metals in tea samples marketed in Iran. Pharmacology. 2008; 3:164-74. 28) Troisi J, Richards S, Symes S, Ferretti V, Di Maio A, Amoresano A, et al. A comparative assessment of metals and phthalates in commercial tea infusions: a starting point to evaluate their tolerance limits. Food chemistry. 2019:288; 193-200. 29) Atasoy AD, Yesilnacar MI, Yildirim A, Atasoy AF. Nutritional Minerals and Heavy Metals in Tea Infusions and Daily Intake of Human Body. urk J Food Agric Sci. 2019;7(2):234-9.