1.Objective: To compare the extraction efficiency of imperialine extracted with different solvents.
目的:比较不同溶剂对西贝素的提取效率的影响。
2.The result showed that both product of tissue culture and cultispecies contain imperialine which is an essential elements of the alkaloids.
结果表明，不论是组织培养物还是栽培贝母中都含有贝母碱的主要成――西贝素。
3.Results: Among the methods suitable for alkaloid extraction, the solvent ether chloroform 95% ethanol (25∶8∶2.5) is the best for imperialine extraction.
句、词性
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――西贝素。
