this post was submitted on 10 Jan 2025
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This study is unscientific garbage and should be retracted.
Their “simulation” of making tea involved 300 teabags boiled in 600ml of water at 95 C while being stirred at 750rpm for an unspecified amount of time. They then took counts using undiluted samples of that liquid.
It isn’t clear why they chose such an absurd methodology, but it is absolutely spurious to draw conclusions from this about teabags used under normal conditions.
This was published in the same journal that published the black plastic study that had a huge math error. Also seem to have problems with conflicts of interest and studies changing authors immediately prior to publication. Dubious at best
Good point. This journal was just delisted from Clarivate because of integrity violations as well.