頁籤選單縮合
題 名 | Hydrolysis of Amylopectin by Isoamylase under Supercritical Carbon Dioxide=在超臨界二氧化碳下以異澱粉酶水解支鏈澱粉 |
---|---|
作 者 | 戴怡德; 黃式州; 黃明山; 劉懷勝; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 32:3 2001.05[民90.05] |
頁 次 | 頁269-275 |
分類號 | 460.02 |
關鍵詞 | 超臨界二氧化碳; 異澱粉脢; 水解支鏈澱粉; Amylopectin; Hydrolysis; Isoamylase; Supercritical carbon dioxide; |
語 文 | 英文(English) |
中文摘要 | 本研究探討在1公升加壓二氧化碳反應器中,以不同操作條件下,異澱粉�t水解支 鏈澱粉之反應情形。實驗結果顯示在加壓二氧化碳之下,攪拌破壞酵素活性情形顯著,而且 由於高壓二氧化碳的泬解度,改變了系統的酸鹼值,進而降低反應速率。故適當加以調整攪 拌速率與系統酸鹼值,異澱粉�t在超臨界二氧化碳中之水解支鏈澱粉反應與常壓系統比較, 在濃度較高時具有較佳的反應速率。 |
英文摘要 | Hydrolysis of amylopectin by a debranching enzyme, isoamylase, was investigated under pressurized carbon dioxide in a reactor of one liter for various agitation rates and pH values. The experimental results indicated that agitation significantly inactivated the enzyme with pressurized carbon dioxide. The pH shift due to higher solubility of carbon dioxide in the system also decreased the rate. With proper tuning of agitation rate and pH, the enzyme hydrolysis reaction under supercritical carbon dioxide demonstrated better result than that under atmospheric conditions at higher substrate concentration. |
本系統中英文摘要資訊取自各篇刊載內容。