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題 名 | Study on Ethanol Fermentation from Monostroma Nitidum Hydrolysate Solution=以青海菜 (Monostroma nitidum) 水解液發酵酒精之研究 |
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作 者 | 陳君如; 潘崇良; 曾國政; 吳紹祺; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 36:3 2009.09[民98.09] |
頁 次 | 頁191-203 |
分類號 | 463.8 |
關鍵詞 | 洋菜酶; 纖維素酶; 乙醇; 青海菜; Agarase; Cellulase; Ethanol; Monostroma nitidum; |
語 文 | 英文(English) |
中文摘要 | 本研究為在40℃下添加1 unit/ml的MA103-agarases、MAEF108-agarases、α-amylase、β-galactosidase、或cellulase等5種酵素水解1% (w/v)青海菜溶液24小時間,此5種酵素皆於水解6小時後達平穩期,且以MAEF108-agarases及cellulase水解青海菜溶液具較佳還原糖含量。進一步使用10 units/ml MAEF108-agarases及10 units/ml cellulase水解0.5-3.0%青海菜溶液,發現2.0-3.0%青海菜溶液所具還原糖含量並無統計上的差異(p < 0.05)。接著10株Saccharomyces (S.) cerevisiae進行青海菜溶液酒精發酵,以S.cerevisiae BCRC20581、BCRC21686、BCRC21824、及BCRC21962與其餘6株有較高酒精含量。最後於6組酒精生產菌(酉元)中,以S5: S. cerevisiae CRC21686與S. cerevisiaeBCRC21962,以及S6: S. cerevisiae BCRC21824與S. cerevisiae BCRC21962有最高酒精含量。綜合結果可知酒精生產菌(酉元)組S5及S6可做為未來青海菜水解溶液酒精發酵之基礎。 |
英文摘要 | One percent (w/v) Monostroma (M.) nitidum solution was hydrolyzed using 1 unit/ml five enzymes MA103-agarases, MAEF108-agarases, α-amylase, β-galactosidase, or cellulase, respectively, at 40℃ for 24 h. The reducing sugar content of the 1% (w/v) M. nitidum solutions all reached the stationary phase after enzymatic digestion for 6 h. MAEF108-agarases and cellulase showed to have a better reducing sugar content than the rest. When 0.5 to 3.0% M. nitidum solution were digested using 10 units/ml MAEF108-agarases and 10 units/ml cellulase, the reducing sugar contents (3.97-6.56 mg/ml) greater than 2.0% had no significant difference (p < 0.05). Ten Saccharomyces (S.) cerevisiae were tested for fermented ethanol from a M. nitidum hydrolysate solution, and four S. cerevisiae: BCRC20581, BCRC21686, BCRC21824, and BCRC21962 had the highest ethanol content (5.91, 6.30, 6.57, and 6.18%, respectively) among them. Next, the above four strains were arranged in pairs for ethanol producing starter groups; S5: S. cerevisiae BCRC21686 and BCRC21962, S6: S. cerevisiae BCRC21824 and BCRC21962 had the highest ethanol content (6.94 and 6.87%) of the six groups. As a result, the ethanol producing starter groups S5 and S6 as described in this study should be used in the future for making ethanol from a M. nitidum hydrolysate solution. |
本系統中英文摘要資訊取自各篇刊載內容。