目的：观察不同溶剂异丙酚的抗氧化保护作用。
Objective: To observe the antioxidative protection of propofol with different solvents.
结果表明：不同溶剂提取部分的药效有明显差异。
The results show that the different extractions have obvious variance.
前言： 目的：比较不同溶剂对西贝素的提取效率的影响。
Objective: To compare the extraction efficiency of imperialine extracted with different solvents.
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