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Hidrólise enzimática de casca de arroz utilizando-se celulases: efeito de tratamentos químicos e fotoquímicos

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dc.creator Reyes Juan
dc.creator Peralta-Zamora Patricio
dc.creator Durán Nelson
dc.date 1998
dc.date.accessioned 2013-05-30T10:47:40Z
dc.date.available 2013-05-30T10:47:40Z
dc.date.issued 2013-05-30
dc.identifier http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421998000200006
dc.identifier http://www.doaj.org/doaj?func=openurl&genre=article&issn=01004042&date=1998&volume=21&issue=2&spage=140
dc.identifier.uri http://koha.mediu.edu.my:8181/jspui/handle/123456789/4195
dc.description In the present work we reported the study of rice hull enzymatic hydrolysis using a commercial cellulase preparation. The results showed that previous treatment with light and sodium chlorite inhibits the enzymatic process (31.4 and 11.8%, respectively) while hydrogen peroxide and ozone favoured the enzymatic production of reducing sugars (5.9 and 54.9%, respectively). Studies performed by quimiluminescence showed that the chlorite treatment produced the most significant change in the structure of rice hull. Nevertheless, this treatment did not favour the subsequent enzymatic process. Photomicrographs obtained from rice hull hydrolysates showed that pre-treatment changed mainly the inner epidermis and parenchyma cell and that they did not change cellular organization of the hull.
dc.publisher Sociedade Brasileira de Química
dc.source Química Nova
dc.subject rice hull
dc.subject enzymatic saccharification
dc.subject cellulase
dc.title Hidrólise enzimática de casca de arroz utilizando-se celulases: efeito de tratamentos químicos e fotoquímicos


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