Green tea is effective due to the presence of chemical compound polyphenol which is a type of antioxidant that fight against free radicals.

1. Ruchi Shah
Sports Nutritionist, Weight Management Counselor
and Professional Health Blogger
http://healthandnutrition.co.in

3. The first reference to green tea is in 2737 B.C. by Chinese
emperor Shennong.
Green tea is effective due to the presence of chemical
compound polyphenol.
Polyphenols are a type of antioxidant. They neutralize
dangerous molecules known as reactive oxygen species.
Thus preventing the possibility of cancerous cells.

4. GREEN TEA
CATECHINS
FLAVANOLS
epicatechin (EC), epigallocatechin
(EGC), epicatechin gallate (ECG) and
epigallocatechin gallate (EGCG).

5. The effective dosage = 125-500mg/day
(4-10 cups per day) of an extract
standardized to at least 60% Polyphenols

6. RESEARCH ARTICLES
Consumption of green tea favourably affects oxidative stress
markers in weight-trained men
Consumption of GT, a beverage rich in polyphenols, may offer
protection against the oxidative damage caused by exercise.
( Panza VS, et al 2008)

7. CONTROL GROUP
ferric reducing ability of
plasma.(FRAP)
GREEN TEA EXTRACT
GROUP
No change
reduced glutathione (GSH)
lipid hydroperoxide (LH)
No change
thiobarbituric acid-reactive
substances
No change
creatine kinase (CK),
No change
aspartate aminotransferase
(AST)
xanthine oxidase (XO)
No change
Hypoxanthine
No change
uric acid (UA).
No change

8. No effects of three-week
consumption of a green tea extract
on time trial performance in
endurance-trained men.(
Eichenberger P et al,2010)
no significant effect on performance, energy metabolism, or any
other measured parameter
did not affect time trial performance and energy metabolism in
endurance-trained men in the non-fasting state
except for CRP, which was significantly reduced (p = 0.045) after
GTE supplementation compared to placebo.

9. Effect of a Single Dose of Green Tea Polyphenols on the Blood
Markers of Exercise-Induced Oxidative Stress in Soccer Players. (
Ewa Jówko et al,2012)
In both groups, plasma TBARS, UA and TAS increased significantly
post-exercise
SOD activity in erythrocytes did not change significantly in response
to the muscular endurance test
in both groups plasma CK activity increased significantly after 24
hours of recovery.
However, GTP was found not to exert a significant effect on
measured parameters.
CONCLUSION:
Acute ingestion of GTP (640 mg) does not attenuate exercise-induced
oxidative stress and muscle damage.