Results 221 to 230 of about 15,230 (273)
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1996
In debarking the bark is removed from wood along the cambial layer. Pretreatment with pectinases improves the efficiency of mechanical debarking measured as reduction of energy consumption in a laboratory scale debarker. The effects of different pectinases vary significantly depending on the side activities of the enzyme preparations The main ...
Viikari Liisa, Rättö Marjaana
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In debarking the bark is removed from wood along the cambial layer. Pretreatment with pectinases improves the efficiency of mechanical debarking measured as reduction of energy consumption in a laboratory scale debarker. The effects of different pectinases vary significantly depending on the side activities of the enzyme preparations The main ...
Viikari Liisa, Rättö Marjaana
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Biocatalysis and Agricultural Biotechnology, 2015
Abstract Pectinolytic microbes have been industrially exploited for pectinases that are environment friendly enzymes and mineralize pectic substances present in the environment. This review provides structural understanding of the molecular determinants of pectin utilization, mechanisms driving catabolite selectivity and industrial applicability. The
Pooja Kohli, Reena Gupta
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Abstract Pectinolytic microbes have been industrially exploited for pectinases that are environment friendly enzymes and mineralize pectic substances present in the environment. This review provides structural understanding of the molecular determinants of pectin utilization, mechanisms driving catabolite selectivity and industrial applicability. The
Pooja Kohli, Reena Gupta
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Pectinases in Ditylenchus Dipsaci
Nematologica, 1967Extracts of Ditylenchus dipsaci were most active in decreasing the viscosity of solutions of pectin N.F., less active towards pectin L.M., and least active towards Na polypectate. Optimum pH for activity of extracts was 6.0 for pectin N.F. and pectin L.M., and 5.0 for Na polypectate.
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Development of reproducible assays for polygalacturonase and pectinase
Enzyme and Microbial Technology, 2015Polygalacturonase and pectinase activities reported in the literature were measured by several different procedures. These procedures do not give comparable results, partly owing to the complexity of the substrates involved. This work was aimed at developing consistent and efficient assays for polygalacturonase and pectinase activities, using ...
Qian Li, Anthony M. Coffman, Lu-Kwang Ju
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Pectinases of Thermophilic Microbes
2013Represented by archeal, bacterial, and fungal species, thermophilic organisms have been isolated from all types of terrestrial and marine hot environment. Pectinase from these organisms (thermophilic pectinase) developed unique structure–function properties of high thermostability and optimal activity at higher temperature.
Saurabh Sudha Dhiman +2 more
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Sequential production of pectinases byPenicillium frequentans
World Journal of Microbiology & Biotechnology, 1995The pectinases produced byPenicillium frequentans were subjected to pectin- or sodium polypectate-PAGE. The fungus secreted one endo- and one exo-polygalacturonase during the first 10 h of incubation, either in media supplemented with pectin or in the absence of carbohydrate source.
M J, Fonseca, S, Said
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Applications of pectinases in the commercial sector: a review
Bioresource Technology, 2001Pectinases are one of the upcoming enzymes of fruit and textile industries. These enzymes break down complex polysaccharides of plant tissues into simpler molecules like galacturonic acids. The role of acidic pectinases in bringing down the cloudiness and bitterness of fruit juices is well established.
D R, Kashyap +3 more
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Application of tailormade pectinases
1996Abstract Heterologous expression of pectinolytic enzymes has made it possible to tailormake pectinolytic enzyme preparations. Composition of pectinase products for existing applications can be improved, and products for new applications can be made.
H.P. Heldt-Hansen +5 more
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Microbial Pectinases and Their Applications
2013In nature, microorganisms have been endowed with vast potentials. They produce an array of enzymes, which have been exploited commercially over the years. Among them, pectinolytic enzymes are of great significance and are one of the most important enzymes of the commercial sector.
Abha Sharma +4 more
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Cellulases, Hemicellulases, and Pectinases
2014The study of cellulases is important from the standpoint of microbial conversion of biomass to feeds and chemical feed stock. The complex structure of hemicelluloses has dictated a correspondingly diverse array of hemicellulases. The concentration (or actually dilution) of enzyme preparation required to effect this level of depolymerization is ...
Michael E. Himmel +3 more
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