The saponin-rich sample was dried by the stream of nitrogen and the residue was dissolved in 1 mL ddH2O. The aqueous saponin extract (pH 3.5) was divided into equal parts of 167 μL and transferred into HPLC vials with air-tight septa
The saponin-richsample was dried by the stream of nitrogen and the residue wasdissolved in 1 mL ddH2O. The aqueous saponin extract (pH 3.5) wasdivided into equal parts of 167 μL and transferred into HPLC vials withair-tight septa