Objective: To compare the protective effects of a mixture of collagen and cinnamic oil with some other preparations on the damaged gastric mucosa.

目的：比较胶原肉桂油混合剂以及其他一些制剂对胃粘膜损伤的保护作用。

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Objective: to establish the contents determination method of (-) -menthone, menthol, cinnamic aldehyde in Po Sum on oil by capillary column gas chromatography.

目的：采用高效毛细管气相色谱法同时测定保心安油中(-)-薄荷酮、薄荷脑和桂皮醛的含量。

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Compounds were identified in the branch oil, trans-cinnamic aldehyde: 81-92%.

桂枝油中鉴定出21个化合物，反式-肉桂醛含量达81 ~ 92%。

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Compounds were identified in the branch oil, trans-cinnamic aldehyde: 81-92%.

桂枝油中鉴定出21个化合物，反式-肉桂醛含量达81 ~ 92%。

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