Betel extracts solubility
The crude extracts 1 mg/mL were tested for solubility in different solvents including 0.2% DMSO, 0.1% Tween 20, 0.5% Tween 20, 1.0% Tween 20, 0.1% Tween 80, 0.5% Tween 80 and 1.0% Tween 80. The solvents that could completely dissolve extracts were selected for betel extract dissolution