Results 121 to 130 of about 5,133 (221)

Extração e caracterização de xilanas de sabugos de milho Extraction and characterization of xylans from corncobs

Polímeros, 1998
Neste trabalho, duas frações de xilana, denominadas xilana A e xilana B, foram isoladas a partir de sabugos de milho através de três processos diferentes, combinando métodos de extração aquosa, remoção de lipídeos, deslignificação e extração alcalina. Os
Simone S. Silva, Rosiane R. Carvalho, José Luis C. Fonseca, Rosangela B. Garcia   +3 more
doaj   +1 more source

The influence of xylans on Eucalyptus pulp production and properties for papers [PDF]

, 2009
As xilanas desempenham importante função no processo de cozimento e branqueamento de polpas celulósicas e nas propriedades do papel. Modificar os teores dessa hemicelulose permite perder ou ganhar rendimentos de produção e diferenciar as propriedades das
Pedrazzi, Cristiane
core  

Revue bibliographique sur les méthodes d'analyse des polysaccharides structuraux des biomasses lignocellulosiques [PDF]

Biotechnologie, Agronomie, Société et Environnement, 2011
Review on analytical methods for lignocellulosic biomass structural polysaccharides. Structural polysaccharides and lignin represent the major part of the lignocellulosic biomass.
Godin, B., Agneessens, R., Gofflot, S., Lamaudière, S., Sinnaeve, G., Gerin, PA., Delcarte, J.   +6 more
doaj  

Improving cellulose fibre properties by controlled adsorption of xylans [PDF]

, 2007
Hemicelluloses are, together with cellulose and pectins, the polysaccharide constituents in the cell walls of higher plants. Xylans are the most common hemicelluloses, and are considered to be the second most abundant biopolymer in the plant kingdom ...
Köhnke, Tobias
core  

DISSOLVING PULP PRODUCTION FROM BAMBOO

BioResources, 2011
Commercial bamboo chips were evaluated as raw material for dissolving pulp production. The chips were auto-hydrolyzed (AH) and subsequently cooked by the NaOH/AQ process and bleached to full brightness with the O-CCE-D-(EP)-D-P sequence.
Larisse Aparecida Ribas Batalha,, Jorge Luiz Colodette,, José L. Gomide,, Luiz C. A. Barbosa,, Célia R. A. Maltha,, Fernando José Borges Gomes   +5 more
doaj  

Partial Purifi cation, Stability Analysis, and Preservation of Xylanase from Xylanolytic Alkalophylic Bacteria

Indonesian Journal of Biotechnology, 2015
A xylanase, which produces xylose from oat spelt xylans, was isolated from the culture medium of  xylanolytic alkalophylic bacteria mutant. The enzyme was purifi ed by ammonium sulphate with level 30, 40, 50, 60, 70, 80, and 90%.
Chusnul Hanim, Muhamad Nur Cahyanto, Lies Mira Yusiati, Ali Wibowo   +3 more
doaj  

CLONING, EXPRESSION, AND CHARACTERIZATION OF AN ALKALOPHILLIC ENDO-1,4-BETA-XYLANASE FROM PAENIBACILLUS SP. HPL-002

BioResources, 2011
The biochemical properties of a purified enzyme of a new alkalophillic endo-1,4-beta-xylanase gene, KRICT PX2 (GU967374), which was isolated from Paenibacillus sp. HPL-002 (KCTC11410BP) and expressed in E. coli, were investigated.
No-Joong Park,, Hee Kyung Lim,, Ha Young Song,, Dal Rye Kim,, Kee-In Lee,, In Taek Hwang   +5 more
doaj  

Effects of Molecular Architecture of Xylans on Material Properties [PDF]

, 2005
Xylans are among the most abundant polymers on earth. Nature has created xylans with different molecular structures in different plant species.
Gröndahl, Maria,
core  

Xylans of Industrial and Biomedical Importance [PDF]

Biotechnology and Genetic Engineering Reviews, 1999
A, Ebringerová, Z, Hromádková
openaire   +2 more sources

PENCIRIAN MANANASE STREPTOMYCES COSTARICANUS 451-3

Jurnal Ilmu Pertanian Indonesia, 2008
Major component of hemicelluloses are mannans (softwoods) and xylans (hardwoods). Hemicclluloses arc used by microbes as a carbon sources. Mannanase and xylanasc arc enzyme complex that are able to degrade hemicelluloses.
Anjani Meryandini, Dwi Ambarawati, Nisa Rachmania   +2 more
doaj