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苹果渣酶解制备柠檬酸 被引量:12

Enzymatic Preparation of Citric Acid from Apple Pomace
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摘要 The waste apple pomace was treated by cellulase to produce glucose. The results show that the optimum operating conditions are: at 50 ℃, pH=5, keep the concentration of cellulase to 20 μg/g medium, react time to 12 h and do not treat the apple pomace with alkali. In the range of the reacting time we adopted, the influence of the cellulose concentration can be ignored. The producing technique of the citric acid and the determine method of the citric acid also been studied by experiments. The waste apple pomace was treated by cellulase to produce glucose. The results show that the optimum operating conditions are: at 50 ℃, pH=5, keep the concentration of cellulase to 20 μg/g medium, react time to 12 h and do not treat the apple pomace with alkali. In the range of the reacting time we adopted, the influence of the cellulose concentration can be ignored. The producing technique of the citric acid and the determine method of the citric acid also been studied by experiments.
机构地区 西北大学化工系
出处 《应用化学》 CAS CSCD 北大核心 2000年第5期547-549,共3页 Chinese Journal of Applied Chemistry
基金 陕西省科技攻关重点项目! (2 0 0 0 K12 - G9) 陕西省教委重点科研计划项目!(99JK0 5 )
关键词 柠檬酸 酶解 制备 苹果渣 纤维素酶 葡萄糖 citric acid,enzymatic preparation,apple pomace
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  • 1(日)相漦孝亮等著,黄文涛,胡学智.酶应用手册[M]上海科学技术出版社,1989.
  • 2舒远才,张光恕,李泊涛,郝军.把植物纤维素转化成糖——30立升卧式酶反应罐试验[J]太阳能学报,1984(04).
  • 3K. D. Haggett,W. Y. Choi,N. W. Dunn. Mutants of Cellulomonas which produce increased levels of β-glucosidase[J] 1978,European Journal of Applied Microbiology and Biotechnology(2):189~191

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