Thread: A few topics
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Jon Nossen
 
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Default A few topics

KeemunBLK wrote:

> First item: Dealing w/green tea and health - my sister went to

give blood and
> they found her iron count to be lower than normal. The first

thing they asked
> her was if she drank green tea on a regular basis. They said

that it apparently
> interferes with iron uptake. Anyone else heard about this?


What she was told is true except that it's black tea, not green
tea, that can interfere with iron uptake. This is because of the
tannins in black tea - the oxydized, polymerized catechins
called theaflavins and thearubigins. From what I have read, the
unoxidized catechins in green tea do not have this effect.

Jon