Enzymatic hydrolysis of sugarcane bagasse pretreated with acid or alkali

Brazilian Archives of Biology and Technology

Vivian Cristina Pietrobon²  Regina Teresa Rosim Monteiro²  Georgia Bertoni Pompeu²  Eduardo Poggi E Borges¹  Mario Lucio Lopes¹  Henrique Vianna De Amorim¹  Sandra Helena Da Cruz¹  Ellen Karine Diniz Viégas¹ 

[1] ,Universidade de São Paulo Centro de Energia Nuclear na Agricultura Laboratório de Ecologia AplicadaPiracicaba SP ,Brasil

关键词: bagasse sugarcane;    hydrolysis;    cellulolytic enzymes;    HPAEC;   

DOI  :  10.1590/S1516-89132011000200002

来源: SciELO

【 摘 要 】

The aim of this study was to evaluate the performance of enzymatic hydrolysis of acid or alkali pretreated sugarcane bagasse for the production of fermentable sugars. The first step consisted of selection of commercial enzymes presenting the highest cellulolytic activities. After selection of four enzymes: HPL, CL, P1 and P4, their performances were tested in the bagasse pretreated with acid and alkali. The sugar content of the hydrolysates was analyzed by anion exchange liquid chromatography. Data showed that the joint action of 0.5% acid pretreatment, 121ºC, 30 minutes and enzyme CL provides the best results, 67.25 g of hexose and 148.13g of pentose per kg of dry bagasse.

【 授权许可】

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