The concentration and health risk of potentially toxic elements in black and green tea—both bagged and loose-leaf

• DOI: 10.15586/qas.v12i3.761
• Publication Date: 2020-11-09T06:56:41Z
• Authors: Ali Heshmati; Freshteh Mehri; Javad Karami-Momtaz; Amin Mousavi Khan...
• Keywords: Black tea; Hazard quotient

The concentration of potentially toxic elements (PTEs), including lead (Pb), cadmium (Cd), arsenic (As), zinc (Zn), and copper (Cu), among 160 samples black green tea—both bagged loose-leaf—in Iran was determined using a graphite furnace atomic absorption spectrophotometer (GF-AAS). Besides, the transfer rate PTEs from made tea into infusion investigated, related health risk for consumers assessed. According to results, content is dependent on type (black or green), place cultivation (Iran India), supplied form (both loose-leaf). Pb, Cd, As in significantly lower than (P-value < 0.05). On other hand, contents Zn Cu were higher corresponding values tea. mean As, those loose-leaf tea, while Cd levels Iranian Indian samples. Generally speaking, Zn, 0.59 ± 0.12, 0.12 0.06, 0.16 14.23 4.90, 11.10 2.49 mg kg?1, respectively. rates 7.78, 6.29, 9.27, 12.91, 13.08%, estimated daily intake (EDI) noncarcinogenic quotient (target hazard [THQ]) due ingestion besides carcinogenic considered as acceptable.