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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51914

Title: Hydrolysis of bamboo cellulose and cellulase characteristics by Streptomyces griseoaurantiacus ZQBC691
Authors: Feng-Jen Chu
Chi-Wen Lin
Yet-Po I
Chih-Hung Wu
Ding-Hsuan Chen
Contributors: 國立臺灣海洋大學:地球科學研究所
Keywords: Bioenergy
Bamboo cellulolytic microbes
Reducing sugar
Date: 2012-03
Issue Date: 2019-01-04T08:37:35Z
Publisher: Journal of the Taiwan Institute of Chemical Engineers
Abstract: Abstract: This investigation studies the cellulolytic characteristics of a microbial isolate native to Taiwan. The bacterium was isolated from a compost of bamboo shoots in Taiwan and identified as Streptomyces griseoaurantiacus ZQBC691 using morphological criteria and 16S rRNA sequence. The strain ZQBC691 grew vigorously on amorphous cellulose (carboxymethylcellulose – CMC) and produced endoglucanase. Less endoglucanase was produced on crystalline cellulose (avicel). Under the optimal growth condition with a of 5.3, a shaking speed of 150 rpm, a culture temperature of 30 °C, and a CMC concentration of 15 g/L, the final concentration of reducing sugar reached 1.60 g/L. Additionally, the strain ZQBC691 can hydrolyze purified bamboo fiber to generate glucose, and ferment monosugars to produce products including lactic acid and acetic acid. Moreover, data obtained in an enzyme activity test indicated that at the optimal temperature of 50 °C strain ZQBC691 generated 34.13 IU/ml of endoglucanase on CMC, and 37.38 IU/ml at the optimal pH of 5.
Relation: 43(2) pp.220-225
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51914
Appears in Collections:[應用地球科學研究所] 期刊論文

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