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Table 2 The composition of green tea extracts

From: Effects of green tea extract on overweight and obese women with high levels of low density-lipoprotein-cholesterol (LDL-C): a randomised, double-blind, and cross-over placebo-controlled clinical trial

Component % in weight Daily dose (in mg)
EGCG (Epigallocatechin gallate) 57.12 856.8
ECG (Epicatechingallate) 15.74 236.1
EGC (Epigallocatechin) 7.70 115.5
EC (Epicatechin) 4.80 71.9
GCG (Gallocatechingallate) 4.25 63.7
GC (Gallocatechin) < 0.07 < 1.05
Caffeine < 0.07 < 1.05
Cellulose 10.3 155.0
  1. HOMA-IR = insulin [mIU/L] × glucose [mmol/L]/22.5, and values exceeding 2.25 would be considered as insulin resistance
  2. HOMA-IR index = insulin (μU/mL) × glucose (mmol/L)/22.5
  3. Glucose 1 mg/dL = 0.0555 mmol/L (http://www.endmemo.com/medical/unitconvert/Glucose.php)