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厚朴炮制前后挥发油化学成分的GC-MS分析 被引量:14

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摘要 目的分析厚朴炮制前后的挥发油化学成分,为其质量评价提供科学依据。方法分别采用固相微萃取(SPME)法及水蒸气蒸馏(SD)法提取挥发油化学成分,采用气相色谱-质谱联用技术分离鉴定化学成分,采用峰面积归一化法测定相对质量分数。结果采用SPME法从厚朴生品及炮制品中分别鉴定了59种和60种成分,其中相对质量分数在0.5%以上的分别为23种和22种;采用SD法从厚朴生品及炮制品中分别鉴定了60种和66种成分,其中相对质量分数在0.5%以上的分别为24种和12种。结论两种方法提取得到的挥发油成分不尽相同,同一方法提取炮制前后的挥发油化学成分在质量分数上有所变化,炮制后个别成分的量有所降低,提示厚朴在炮制时要考虑尽量采用低温操作,避免造成挥发油化学成分的散失。
出处 《中草药》 CAS CSCD 北大核心 2010年第8期1261-1264,共4页 Chinese Traditional and Herbal Drugs
基金 浙江省科技厅重点科技攻关项目(2007C23024)
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