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金属离子协同复合酶制剂对木薯发酵产乙醇的影响研究
引用本文:冷从斌,雷宇,黄文荣,柳静,刘士清,张无敌,尹芳,陈玉保,赵兴玲. 金属离子协同复合酶制剂对木薯发酵产乙醇的影响研究[J]. 云南师范大学学报(自然科学版), 2012, 0(6): 18-22
作者姓名:冷从斌  雷宇  黄文荣  柳静  刘士清  张无敌  尹芳  陈玉保  赵兴玲
作者单位:云南师范大学;云南万芳生物技术有限公司
基金项目:科技部中小企业创新基金资助项目(10C26215305112)
摘    要:某些金属离子对木薯发酵产乙醇用复合酶制剂具有激活作用,从而提高原料的降解率,最终提高出酒率。实验选取Mg~(2+)、Fe~(2+)、Mn~(2+)、Co~(2+)四种金属离子进行单因素实验研究,均具有显著效果,出酒率能提高1~4个百分点,其中Co~(2+)效果最好。实验结果如下:对照组出酒率34.50%,Mg~(2+)添加量为1.4mg/g(发酵醪液)时出酒率为37.30%,0.6mg/gFe~(2)+出酒率35.40%,0.2mg/gMn~(2+)出酒率36.7%,0.4mg/gCo~(2+)出酒率38.00%.

关 键 词:木薯  金属离子  复合酶制剂  燃料乙醇

The Influence Research of Metal Ion Coordination Compound Enzyme Preparation on Cassava Fermentation Ethanol
LENG Cong-bin,LEI Yu,HUANG Wen-rong,LIU Jing,LIU Shi-qing, ZHANG Wu-di,YIN Fang,CHEN Yu-bao,ZHAO Xing-ling. The Influence Research of Metal Ion Coordination Compound Enzyme Preparation on Cassava Fermentation Ethanol[J]. Journal of Yunnan Normal University (Natural Sciences Edition), 2012, 0(6): 18-22
Authors:LENG Cong-bin  LEI Yu  HUANG Wen-rong  LIU Jing  LIU Shi-qing   ZHANG Wu-di  YIN Fang  CHEN Yu-bao  ZHAO Xing-ling
Affiliation:(Yunnan Normal University,Kunming 650092,China)
Abstract:Abstract: The metal ion can make the compound enzyme activity increased, thereby improving the material degradation rate, and ultimately improve liquor ratio, The experiment based on Mg~(2+)、Fe~(2+)、Mn~(2+)、Co~(2+) four metal ions of single factor experiment, has significant effect, the average increase ethanol liquor yield by 1-4 percentage points. The results are as follows: the control group liquor ratio of 34. 50%,1.4mg/g Mg~(2+) (the fermented mash)liquor ratio of 37.3%, 0. 6mg/g Fe~(2+) liqbuor ratio of 35.40%,0.2mg/g Mn~(2+) liquor ratio by 36. 70%, 0.4mg/g Co~(2+) liq- uor ratio by 38.00%.
Keywords:Cassava  Metal ions  Compound enzyme preparation  Fuel ethanol
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