Assam fresh tea leaves and green tea were extracted using deionized water with tea:water ratio 1:5, 1:10, 1:20 and 1:30. The pH of water was 4, 5, 6 and 7, adjusted with citric acid.
Assam fresh tea leaves and green tea were extracted using deionized water with tea:water ratio 1:5, 1:10,1:20 and 1:30. The pH of water was 4, 5, 6 and 7, adjusted with citric acid.