[MOL] Alt. meds. series [01423] Medicine On Line


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[MOL] Alt. meds. series



 

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Description:

Green tea, like black tea, is made from the leaves of the plant (Camellia
Sinesis) but differs from black tea in its preparation. The leaves used for
green tea are steamed of pan-dried without fermentation, so the active
substances within the leaves can retain their qualities. The tea is drunk
by billions of people, not only as a satisfying beverage, but also to
promote health. Green tea reportedly lowers total cholesterol levels and
improves the cholesterol profile, reduces platelet stickiness, lowers blood
pressure, and enhances the immune system. It may also decrease the risk of
certain cancers (specially cancers of the upper digestive system) and be
beneficial as a weight loss aid. Studies in animals have reported that
green tea polyphenols reduce the metastatic potential (spread) of cancer
cells. 

Dose:

To brew green tea, use 1-2 teaspoon of dried herb to 1 cup of boiling water
and steep for 3 (some report up to 15) minutes. Three cups per day is the
amount typically drunk in Asian countries, although the exact amount needed
to promote health is currently under research. 

How to take it:

Green tea is consumed as a hot beverage. 

Side effects:

The most common side effects include insomnia or nervousness and
irregularities in heart rate (from the caffeine). 

Possible risks:

Women who are pregnant or breast-feeding should not consume green tea in
large amounts. Those with anxiety disorders or an irregular heartbeat
should limit their intake to no more than 2 cups daily. 

Approximate cost:

Green tea can be purchased as packaged tea bags or in bulk. Packaged bags
begin at approximately $2.50 for 12 bags, while bulk tea is roughly $30.00
to $60.00 per pound. 


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URL: http://www.sph.uth.tmc.edu/utcam/summary/greentea.htm 
last revision on August 16, 1998 
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