1. Preparing a green tea extract and Prepare a solution of the extract separation does not dissolve in water.
1.1 Preparing a green tea extract.
Weighing approximately 20 grams of green tea in a beaker.
Then be extracted with methanol 100% satisfied flooding.
Upon the expiration of time Therefore, very minor, with a white cloth.
Then extracted. Evaporated to dryness on a rotary evaporator at 60 ° C until dry extract until dry.