The other conditions were same in both of different extraction stages. They included that the extractive temperature of water bath is at 90 C; the ratio of solvent to material is 4 (mL/g) and the extractive time is 120 min.
The other conditions were same in both ofdifferent extraction stages. They included that the extractive temperatureof water bath is at 90 C; the ratio of solvent to material is4 (mL/g) and the extractive time is 120 min.