Method:Extract volatile oil from green, stir-baked with rice and bran Codonopsis pilosulaby by wet distillation method, and separate and identify them by GC-MS technique.

方法利用水蒸气蒸馏提取党参挥发油的方法，分别提取党参片、米炒党参、麸炒党参，利用GC-MS联用技术对挥发油成分进行分离鉴定。

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Results: the main method of preparation of Fructus Aurantii was stir-baked with bran, but it was single and unilateral study, and there were greater difference on different reports.

结果麸炒法为枳壳的主流炮制方法，但其炮制研究较为单一片面，各研究报道间差异较大，炮制前后化学成分与药理作用变化尚需进一步深入全面的研究。

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ResultsThe experimental data showed that the contents of total saponins of PGF with prepare processing were higher than the crude PGF, especially PGF stir-baked with sweet was the highest.

结果各种炮制品的桔梗总皂苷粗品含量均比生品高。尤其以蜜制的桔梗总皂苷粗品含量为最高。

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