- Natural product: Green tea (Camellia sinensis)
- Associated study: Blood and Urine Levels of Tea Catechins after Ingestion of Different Amounts of Green Tea by Human Volunteers
In Vivo Pharmacokinetics Study
Blood and urine levels of tea catechins after 4.5 g green tea extract administration
|Sample||Compound measured||Value||Measurement||Study sequence||Additional information||N replicates|
The subjects refrained from drinking tea for 2 days before the experiment.
blood samples: 0, 0.5, 2, 4, 8, and 24 h; urine samples: before the dose and during periods of 0-2, 2-6, 6-8, 8-24, and 24-48 h after the dose
Drug or Natural Product Administration
Beverage preparation was formulated by combining decaffeinated green tea extract solid 4.5 g with 45 g of sucrose, 7.5 g of coffee whitener (Borden 1-22007), and vanilla flavor (Tastmaker Lot SOS 5019). These beverage preparations were reconstituted in 500 mL of hot water.
4.5 g decaffeinated green tea extract
Decaffeinated green tea extract was administered after an overnight fast