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KMID : 1007520140230010323
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Food Science and Biotechnology
2014 Volume.23 No. 1 p.323 ~ p.325
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Lithium Content of Some Teas and Their Infusions Consumed in China
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Wang Lei
Jiang Li
Zhao Zhen-Yong
Tian Chang-Yan
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Abstract
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Interest into the benefits of lithium (Li) hasraised the issue that there are few data available onamounts of Li contained in different types of teas. Liconcentrations of 30 teas and their infusions consumed inChina were determined by inductively coupled plasmamass spectroscopy (ICP-MS). The highest Li content wasfound in Luobuma (Apocynum venetum) tea (>11 ppm). Licontents of other types of teas ranged from 0.02 to 0.6ppm. According to our data and calculations, a dailyconsumption of 10 g Luobuma tea can give >85 μg Liintake. This is more than 85% of the minimum humanadult Li requirement. However, other types of teas (10 g/day) can only provide <3% of the minimum Li requirement.
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KEYWORD
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infusion, lithium, luobuma, tea
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