頁籤選單縮合
題 名 | 不同抽取方法對玉蘭花精油成分差異之研究 |
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作 者 | 謝瑞忠; | 書刊名 | 林業試驗所研究報告季刊 |
卷 期 | 4:4 1989.12[民78.12] |
頁 次 | 頁177-195 |
分類號 | 466.61 |
關鍵詞 | 玉蘭花; 成分; 抽取; 精油; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗旨在研究使用水蒸餾法,水蒸氣蒸餾,有機溶劑抽取法,冷吸 法,SDE法及SCF等不同抽取方法對玉蘭花精油含量及成分差異。抽取出精油 復使用氣相層析-質譜分析之質譜圖及氣相層析之滯留時間方法鑑定香氣各成 分,結果顯示: 1.採用水蒸餾法,水蒸氣蒸餾法,有機溶劑抽取法及SCF法等使用不同方法抽出 精油收率均在0.78∼1.12%(v/w絕乾)之間,差異不顯著,但使用冷吸法及SDE 法精油收率略有偏低之現象。 2.冷吸法未能將玉蘭花精油完全抽出,故不適合於玉蘭花香精抽出。 3.由GC-MS分析證實主成分為伽羅木醇,其他尚含有B-丁香油精等17 種成分 (表2)。 4.使用水蒸氣蒸餾法,水蒸餾法,SDE法及有機溶劑抽出法之精油含有大量伽羅 木醇成分,用冷吸法抽出精油主要含Methyl 6,9,12- Octadecatrienoate及Methyl linoleate成分,而用SCF抽出精油含有多量 Methyl linoleate及松節油透兩成分, 顯示採用抽取方法不同,成分含量有很大差異。 5.使用水蒸餾法及水蒸氣蒸餾法可改善香精形成紅色。 |
英文摘要 | The purpose of this study is to investigate the essential oil yields and compositional variations of Michelia alba flowers extracted byh different processes; such as water distillation, steam distillation, organic solvent extraction, enfleurage, simultaneous steam distillation-extraction (SDE), and super critical fluid extraction (SCF). The extracted essential oil components were analyzed and differentiated by GC-MS spectroscopy and GLC retention time. The results indicate that: 1.Essential oil yields from water distillation, steam distillation, organic solvent extraction and SCF are roughly equal, being in the range of 0.78 to 1.12% (v/w dry material). Yields from enfleurage and SDE tend to be lower. 2.Enfleurage can not extract the essential oil of Michelia alba completely, therefore, is not suited for the purpose. 3.The GC-MS analysis indicates that the major components of Michelia alba flower essential oil are linalool, *-caryophyllene and 17 other compounds (Table 3). 4.Essential oil of Michelia alba extracted with water distillation, steam distillation, SDE and organic solvent extraction contains large amounts of linalool. The enleurage oil has major components of methyl 6, 9, 12-octadecatrienoate and methyl linoleate. The SCF oil, on the other hand, contains mostly methyl linoleate and terpinene. Apparently, different extraction processes give essential oils of different yields and characters. 5.Only water distillation and steam distillation products are free from the reddish tinge of other extracted essential oil. |
本系統中英文摘要資訊取自各篇刊載內容。