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題 名 | Interesterification of Vegetable Oils Using Immobilized Lipase Fixed Bed Reactors=以固定化脂肪酶固定床反應器催化植物油交酯化反應之研究 |
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作 者 | 劉文雄; 紀永昌; | 書刊名 | 中國農業化學會誌 |
卷 期 | 36:2 1998.04[民87.04] |
頁 次 | 頁134-142 |
分類號 | 466.17 |
關鍵詞 | 交酯化反應; 陶瓷-矽土固定化脂肪酶; 米油; 橄欖油; Interesterification; Ceramics-immobililized lipase; Rice oil; Olive oil; |
語 文 | 英文(English) |
中文摘要 | 本研究係以填塞陶瓷-矽土固定化脂肪 固定床反應器,探討正己烷中催化橄欖 油及米油交酯化以形成交酯化三酸甘油酯之反應條件,得知橫臥式固定床反應器之交酯化效 率比直立式固定床反應器較佳,交酯化反應器之半衰期在橄欖油系及米油系中分別140天及 84天。反應液中之交酯化三酸甘油酯可經由正已烷、正戊烷及丙酮處理加以純化。由橄欖 油系及米油系所獲得之純化交酯化三酸甘油酯之最大融點分別為37.05℃及37.08℃。以脈動 式核磁共振儀在60℃至10℃下測定純化交酯化三酸甘油酯產品之固體脂含量,得知二者非 常類似。 |
英文摘要 | The formation of interesterified triacylglycerols from triacylglycerols in olive oil or rice oil via interesterification in n-hexane was investigated using fixed bed reactors packed with ceramics- mmobilized sn-1,3-specific lipase. It was found that interesterification in a horizontal fixed bed reactor resulted in higher efficiency than that in a vertical fixed bed reactor. Interesterification could be promoted by using a three-unit in series horizontal fixed bed reactor. The half life of the interesterification reactor for the olive oil system and rice oil system was about 140 days and 84 days, respectively. The interesterified triacylglycerols from the reaction mixtures were purified through successive steps involving n-hexane, n-pentane and acetone treatments. The maximum melting point of the purified interesterified triacylglycerols from the olive oil system and the rice oil system was 37.05℃ and 37.08℃, respectively. The solid fat content of both purified interesterified triacylogoycerols was similar as measured using pulse NMR at 60℃ to 10℃. |
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