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以产自黑龙江佳木斯(A)和新疆伊犁(B)地区的法国蓝狭叶薰衣草为试材,采用超临界CO_2萃取法分别提取了两地的干花精油,通过GC-MS分析2种精油的化学成分,并比较二者的差异,采用峰面积归一化法确定其相对含量。结果表明:A薰衣草得油率(6.12%)高于B的(5.15%)。2个地区薰衣草花精油中分别鉴定出41种和34种成分,主要是芳樟醇、乙酸芳樟酯、乙酸薰衣草酯,二者共有成分29种。A薰衣草精油中的芳樟醇、乙酸芳樟酯的含量低于B;而乙酸薰衣草酯、薰衣草醇、香叶醇、橙花醇、龙脑、反式石竹烯、顺式金合欢烯的含量都较B高。两地精油中主要物质含量都符合GBT 12653-2008中国薰衣草(精)油中的要求,精油品质好。
In this study, Lavender of Laodelphax striatellus (L.) from Heilongjiang Jiamusi (A) and Xinjiang Ili (B) was used as experimental materials. The essential oil of two flowers was extracted by supercritical CO2 extraction. The chemical constituents of two essential oils were analyzed by GC- Composition, and compare the difference between the two, using the peak area normalization method to determine the relative content. The results showed that: A Lavender oil yield (6.12%) higher than the B (5.15%). In the two regions, 41 species and 34 components were identified in essential oils of lavender, mainly linalool, linalyl acetate and lavender acetic acid, respectively. A lavender essential oil linalool, linalyl acetate content is less than B; and lavender acetic acid, lavender alcohol, geraniol, neroli, borneol, trans-caryophyllene, cis farnesene content Are higher than the B. Essential oil content in both essential oils are in line with GBT 12653-2008 China lavender (refined) oil requirements, good quality of the oil.