Effect of Different Pretreatment Methods on the Bioconversion of Rice Bran into Ethanol
2004
Eyini, M. (Thiagarajar College, Madurai, India) | Lee, M.W. (Dongguk University, Seoul, Republic of Korea), E-mail: [email protected] | Rajapandy, V. (Thiagarajar College, Madurai, India) | Parani, K. (Thiagarajar College, Madurai, India)
The efficiency of acid, enzyme and microbial pretreatment of rice bran was compared based on the content of cellulose, bemicellulose, reducing sugars and xylose in the substrate. An isolate of Aspergillus niger or a strain of Trichoderma viride (MTCC 800) was employed for microbial pretreatment of rice bran in solid state. Acid pretreatmen resulted in the highest amount of reducing sugars followed by enzyme and microbial pretreatment. A. niger showed a higher rate of hydrolysis than T. viride.
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