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气相色谱法测定不同采收期柳叶腊梅1,8-桉油素的含量

Chinese Journal of Traditional Medical Science and Technology(2020)

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Abstract
目的:考察不同采收期莲都地区柳叶腊梅1,8-桉油素的含量.方法:采用气相色谱法测定1,8-桉油素的含量.色谱柱为INNOWAX弹性石英毛细管柱(30m×0.32mm×0.5μm),程序升温从70℃到220℃,柱流量3 mL/min,进样量0.2 μL.结果:1,8-桉油素与峰面积比值(1,8-桉油素/环己酮)的线性范围是2.50~ 12.50g/L,r=0.9999,平均加样回收率为101.04%,RSD为0.67%,各月份柳叶腊梅中桉油素含量差异较小,6~11月采收的柳叶腊梅1,8-桉油素含量相对较高.结论:该方法简便、准确,可用于柳叶蜡梅中l,8-桉油素含量的定量检测,为判定莲都柳叶蜡梅的采收期提供了试验依据.
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