Overview
This Scientific Reports study measured heavy metals in 20 commercial tea samples imported into Saudi Arabia. It is routeable for true-tea and tea-infusion context, with brand identities deliberately omitted from the wiki page.
Key numbers
- Aluminum ranged from 4.42e3 to 1.70e4 ppb across tea samples.
- Manganese ranged from 2.80e3 to 3.46e3 ppb.
- Lead ranged from 11.6 +/- 0.49 ppb in one sample to 6.00e3 +/- 222.07 ppb in another sample.
- Cadmium reached 52.5 +/- 1.84 ppb in the same high-lead sample.
- Arsenic reached 3.98 +/- 0.13 ppb in one sample and was detected in most samples.
Methods
The study analyzed commercial tea samples imported into Saudi Arabia. The source identifies samples by brand in the paper, but this wiki page keeps only sample-level numeric ranges to satisfy the brand firewall.
Implications
The source supports tea occurrence gaps for Al, Mn, Pb, Cd, and total As in a Saudi-market sample set. It is especially useful for flagging wide Pb variation across imported tea samples.
Related evidence
Update history
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