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題 名 | 微膠囊處理對土肉桂葉子精油保存性之改善效果=Improvement Effects of Microencapsulation on the Conservation of Cinnamomum Osmophloeum Leaf Oils |
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作 者 | 張惠婷; 林群雅; 許富蘭; 許立昇; 張上鎮; | 書刊名 | 中華林學季刊 |
卷 期 | 48:4 2015.12[民104.12] |
頁 次 | 頁387-399 |
分類號 | 466.63 |
關鍵詞 | 土肉桂; β-環糊精; 伽羅木醇; 微膠囊; 肉桂醛; Cinnamomum osmophloeum; β-cyclodextrin; Linalool; Microcapsule; Transcinnamaldehyde; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究的目的為利用β-環糊精進行土肉桂葉子精油微膠囊處理,期望藉由微膠囊的包覆,提高土肉桂葉子精油的保存性。利用氣相層析質譜分析土肉桂葉子精油的化學品系,伽羅木醇型葉子精油中Linalool的含量高達93.30%;肉桂醛型葉子精油中trans-Cinnamaldehyde的含量為84.13%。二種土肉桂葉子精油以β-環糊精進行微膠囊處理,利用傅立葉轉換紅外線光譜分析精油微膠囊的化學組成分,確定微膠囊中存在精油成分的特定吸收。以頂空氣相層析質譜分析精油微膠囊在不同溫度下的揮散情形,精油微膠囊在環境溫度低於60℃時,精油成分可維持在穩定的狀態,顯示微膠囊包覆可以提高土肉桂葉子精油的保存性。以加速老化試驗評估精油微膠囊的保存性,顯示β-環糊精形成之精油微膠囊在高溫時熱穩定性良好,同時可以減緩土肉桂葉子精油的揮散。 |
英文摘要 | The objective of this study was to investigate the microencapsulation of Cinnamomum osmophloeum leaf oils with β-cyclodextrin; it is expected to improve the conservation of C. osmophloeum leaf oils. Chemotypes of leaf oils were classified by gas chromatograph-mass spectrometry (GC-MS) analysis. Content of linalool in the linalool-type leaf oil was 93.30%; and trans-cinnamaldehyde content in the cinnamaldehyde-type leaf oil was 84.13%. Two type oils were microencapsulated with β-cyclodextrin. Based on the FTIR analysis, the characteristic absorption bands of constituents appeared in the FTIR spectra of leaf oil microcapsules. The volatile property of microencapsulated leaf oil was evaluated by headspace GC-MS. The emission of constituents from microcapsules reduced obviously when the environmental temperature was below 60℃. Results from two kinds of aging tests, leaf oil microcapsules with β-cyclodextrin shell were was stable under the high temperature condition, and it was beneficial to reduce the emission of C. osmophloeum leaf oils. |
本系統中英文摘要資訊取自各篇刊載內容。