The solvent mixture (50 mL) of n-pentane and diethyl ether (column distilled, 1:1, v/v, Merck, Darmstadt, Germany) was used as an extracting solvent. The SDE process was allowed to proceed for 2 h
The solvent mixture (50 mL) of n-pentane and diethyl ether (column distilled, 1:1, v/v, Merck, Darmstadt, Germany) was used as an extracting solvent. The SDE process was allowed to proceed for 2 h