determination of essential and non-essential elements in various tea leaves and tea infusions consumed in turkey.tea is one of the most popular beverages in the world. thus, the chemical components in tea are of great interest, especially in relation to health. in this study, 12 tea samples (10 black, 1 white and 1 green) and 5 herbal tea samples were purchased from supermarkets in izmir, turkey. sample preparation has been performed using wet and microwave digestion procedures. the elemental content (fe, zn, cu, mn, ni, na and k) in the digests and infusions has been analysed. generally, elemental content ...201224779742
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