Higher tea-water ratio and lower pH tended to give higher tannins obtained in green tea extract, extraction at pH 4 and tea:water ratio 1:20 showed the highest result to get more tannins (5.933%) in the extract. However
Higher tea-water ratio and lower pH tended to give higher tannins obtained in green tea extract,extraction at pH 4 and tea:water ratio 1:20 showed the highest result to get more tannins (5.933%) in the extract.However