Essential and Toxic Element Transition from Leaf to Infusion in Turkish White Tea

Authors : İbrahim Kızıl, Ayşe Dilek Atasoy, Ahmet Ferit Atasoy

Pages : 16-21

Doi:10.33724/zm.1721697

View : 63 | Download : 147

Publication Date : 2025-12-27

Article Type : Research Paper

Abstract :Tea is a plant that contains macro, micro, trace elements and heavy metals. Tea components have countless positive effects on human health. Especially the white tea has the strongest effects in the fight against cancer due to the its higher content of some components. However, tea consumption should be adjusted so as not to exceed the daily mineral intake required for adults and children. The goals in this study are to determine the mineral composition of Turkish white tea and the elements amounts transferred from the leaves to the infusions. Turkish white teas produced in 2017 were used as materials. Elements in tea leaves and tea infusions were determined and transition rates were established for each sample. Elements (Al, B, Ba, Ca, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, P, Si and Zn) of filtrates were analyzed by the PerkinElmer Optima 5300 DV brand/model ICP OES device. Transition rates of the highest six elements from the leaves to the infusions were 55.72% K, 5.65% Ca, 21.78% Mg, 16.90% Mn, 18.79% Al and 23.91% Zn, respectively. Cd, Co, Mo, Pb and Va concentrations in tea samples were found below the detection limit of 0.05 mg L-1. The low or no heavy metals in tea is a positive situation for human health. Tea beverage has positive contributions to health by being rich in essential elements.
Keywords : Makro elementler, mikro elementler, beyaz çay, ağır metal, Türk çayı

ORIGINAL ARTICLE URL