Browsing pubmed to put off going to work, I came across this abstract:
<http://www.ncbi.nlm.nih.gov/pubmed/16141543>

"On the 1st hour after ethanol administration, the ethanol
concentrations in blood of the theanine combined groups
decreased compared with the ethanol-alone group. The alcohol
dehydrogenase and aldehyde dehydrogenase activities in the
liver increased by combined theanine."

Those two enzymes turn alcohol into (more toxic) acetaldehyde, and
acetaldehyde into (non-toxic) acetic acid. So if this is true, its
seems to corroborate the anecdotes posted here about tea after
drinking helping folks sober up.

Enjoy,
N.

Natarajan Krishnaswami > writes:

>Browsing pubmed to put off going to work, I came across this abstract:
> <http://www.ncbi.nlm.nih.gov/pubmed/16141543>
>
> "On the 1st hour after ethanol administration, the ethanol
> concentrations in blood of the theanine combined groups
> decreased compared with the ethanol-alone group. The alcohol
> dehydrogenase and aldehyde dehydrogenase activities in the
> liver increased by combined theanine."
>
>Those two enzymes turn alcohol into (more toxic) acetaldehyde, and
>acetaldehyde into (non-toxic) acetic acid. So if this is true, its
>seems to corroborate the anecdotes posted here about tea after
>drinking helping folks sober up.

Is acetaldehyde anything to worry about?

/Lew
---
Lew Perin /
http://www.panix.com/~perin/babelcarp.html

Lewis Perin > wrote:
>Natarajan Krishnaswami > writes:
>>Browsing pubmed to put off going to work, I came across this abstract:
>> <http://www.ncbi.nlm.nih.gov/pubmed/16141543>
>>
>> "On the 1st hour after ethanol administration, the ethanol
>> concentrations in blood of the theanine combined groups
>> decreased compared with the ethanol-alone group. The alcohol
>> dehydrogenase and aldehyde dehydrogenase activities in the
>> liver increased by combined theanine."
>>
>>Those two enzymes turn alcohol into (more toxic) acetaldehyde, and
>>acetaldehyde into (non-toxic) acetic acid. So if this is true, its
>>seems to corroborate the anecdotes posted here about tea after
>>drinking helping folks sober up.
>
>Is acetaldehyde anything to worry about?

It is, and if you drink a whole lot, like my roommate in college did, it
will build up in your body and be excreted through the pores, causing a
very unpleasant but very distinct body odor.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."

On 2010-09-17, Lewis Perin > wrote:
> Is acetaldehyde anything to worry about?

Those two enzymes are the main pair for the liver's metabolizing
alcohol, so tea probably doesn't increase risk from acetaldehyde since
it's rendered harmless faster. (Unless that translates into drinking
more. )

But yes, acetaldehyde's nasty stuff. Short term toxicity, think
hangover symptoms. Carcinogenic, hepatotoxic, etc., with ongoing
exposure.


N.

To like add some more to the adverse effect of acetaldehyde. Elevated acetaldehyde cause increased flushing, tachycardia (elevated heart rate), nausea (urge to vomit), vomiting & hyperventilation.