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  • 學位論文

台灣天仙果葉部精油碳氫化合物成分之研究

Studies on the Hydrocarbons of Essential Oil Chemical Constituents from the leave of Ficus formosana Maxim.

指導教授 : 謝博進

摘要


將新採的台灣天仙果葉,經清洗、風乾之後,把葉子搗碎進行水蒸氣蒸餾,再經溶劑萃取(正己烷、乙醚)、鹼處理、水洗與濃縮等步驟,得其棕褐色的中性精油。中性精油經液相色層分析粗分,分成碳氫化合物和含氧基化合物兩大部分,並使用氣相層析-火焰離子偵測器(GC-FID)、氣相層析-質譜儀(GC-MS)、傅立葉轉換紅外光光譜儀(FT-IR)鑑定其化學成分。共鑑定出9個碳氫化合物,其中單離出的成分有p-cymene、limonene這2個化合物且純度有達到95%,而以GC-MS光譜儀鑑定出的成分有p-cymene、limonene、1,2,3,4-tetrahydro-1,1,6-trimethylnaphthalene、1,2-dihydro-1,1,6- trimethylnaphthalene、α-copaene、β-caryophyll ene、β-selinene、α-selinene、β-cadinene共9個化合物。

關鍵字

台灣天仙果 牛乳榕 精油

並列摘要


The leaves were freshly harvested from Ficus formosana Maxim. After cleaning and immedately air-dried, the leaves were steam-distilled for essential oils. The essential oils in the distillate were then solvent extracted before treatment with base to remove acidic compounds. The slightly brown neutral essential oil mixture was separated and purified by column chromatography. The oil mixture was chromatographed into hydrocarbon and oxygenated fractions that were analyzed for the chemical components by gas chromatography(GC) equipped with a flame ionization detector(FID) and mass spectrometer detector(MS), Fourier Transform infrared spectrometer(FT-IR). In the hydrocarbon fraction p-cymene、limonene、1,2,3,4-tetrahydro-1,1,6-trimethylna phthalene、1,2-dihydro-1,1,6-trimethylnaphthalene、α-copaene、β-caryophyllene、β-selinene、α-selinene、β-cadinene.

參考文獻


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