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Study on essential oil components of Heteropappus altaicus by ATD-GC-MS
Author(s): Zhao Yunrong
Pages: 322
Year: 2009
Issue:
3
Journal: Jiangsu Agricultural Sciences
Keyword: 尔泰狗哇花; 精油; 吸附热脱附; 水蒸气蒸馏; GC-MS分析;
Abstract: 采用吸附热脱附(ATD)和水蒸气蒸馏2种方法提取阿尔泰狗哇花精油,运用GC-MS对其成分进行分析,用气相色谱面积归-化法计算了各组分的相对百分含量.GC-MS分析结果表明,2种提取方法提取的精油成分有很大差别.水蒸气蒸馏法提取的精油共分离出54个峰,鉴定出38种化合物,占总峰面积的91.7%,其主要成分是单萜和倍半萜,占精油成分的73.64%;ATD法提取的精油共分离出66个峰,鉴定出49种化合物,占总峰面积的90.2%,检出成分种类复杂,其中单萜和倍半萜只占7.99%,含量较多的是脂肪酸(32.61%)、饱和烷烃(15.27%)和一些呋喃类化合物(7.23%),这在水蒸气蒸馏法提取的精油里几乎没有.2种方法提取的精油共同检出的成分有16种.从分析结果来看,植物精油提取工艺,ATD法应优于水蒸气蒸馏法.
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