Citations with the tag: HEMICELLULOSE

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  • Hemicellulose bioconversion.
    Saha, Badal C. // Journal of Industrial Microbiology & Biotechnology; May2003, Vol. 30 Issue 5, p279 

    Abstract Various agricultural residues,such as cornfiber,corn stover,wheat straw,rice straw,and sugarcane bagasse,contain about 20 --40%hemicellulose,the second most abundant polysaccharide in nature.The conversion of hemicellulose to fuels and chemicals is problematic.In this paper,various...

  • hemicellulose:.
    Schlegel, Rolf H. J. // Encyclopedic Dictionary of Plant Breeding & Related Subjects; 2003, p204 

    A definition of hemicellulose is presented.

  • RELATIONSHIPS BETWEEN MECHANICAL PROPERTIES, WEIGHT LOSS, AND CHEMICAL COMPOSITION OF WOOD DURING INCIPIENT BROWN-ROT DECAY.
    Curling, Simon F.; Clausen, Carol A.; Winandy, Jerrold E. // Forest Products Journal; Jul/Aug2002, Vol. 52 Issue 7/8, p34 

    Presents a study that investigated the effect of decay on hemicellulose composition. Relationship of decay to the mechanical properties of the wood; Effect of decay on strength and weight of hemicellulose; Impact of decay on the chemical composition of hemicellulose.

  • Chemical Breakthrough Shows Biofuel Promise.
    Munro, Edith // Hay & Forage Grower; Jan2013, Vol. 28 Issue 1, p25 

    The article presents information on a research related to an alternative approach for breaking cellulose and hemicellulose molecules in corn stover biomass.

  • The synergistic effect on production of lignin-modifying enzymes through submerged co-cultivation of Phlebia radiata, Dichomitus squalens and Ceriporiopsis subvermispora using agricultural residues.
    Dong, Ya-Chen; Wang, Wei; Hu, Zhong-Ce; Fu, Ming-Liang; Chen, Qi-He // Bioprocess & Biosystems Engineering; Jun2012, Vol. 35 Issue 5, p751 

    The lignin-modifying enzymes (LMEs) play an important role in decomposition of agricultural residues, which contain a certain amount of lignin. In this study, the production of LMEs by three co-cultivated combinations of Phlebia radiata, Dichomitus squalens and Ceriporiopsis subvermispora and...

  • hemicellulose.
    Dong, Ya-Chen; Wang, Wei; Hu, Zhong-Ce; Fu, Ming-Liang; Chen, Qi-He // Taber's Cyclopedic Medical Dictionary (2009); 2009, Issue 21, p1038 

    An encyclopedia entry for "hemicellulose," which refers to one of a group of polysaccharides that differ from cellulose because they may be hydrolyzed by dilute mineral acids, and from other polysaccharides because they are not readily digested by amylases, is presented.

  • Substrate Dependency and Effect of Xylanase Supplementation on Enzymatic Hydrolysis of Ammonia-Treated Biomass.
    Rajesh Gupta; Tae Kim; Yoon Lee // Applied Biochemistry & Biotechnology; Mar2008, Vol. 148 Issue 1-3, p59 

    Abstract  Pretreatment based on aqueous ammonia was investigated under two different modes of operation: soaking in aqueous ammonia and ammonia recycle percolation. These processes were applied to three different feedstocks with varied composition: corn stover, high lignin (HL), and low...

  • Evaluation of sugar cane hemicellulose hydrolyzate for cultivation of yeasts and filamentous fungi.
    Pessoa, Jr., A.; de Mancilha, I. M.; Sato, S. // Journal of Industrial Microbiology & Biotechnology; Jun97, Vol. 18 Issue 6, p360 

    Sugar cane bagasse hemicellulosic fraction submitted to hydrolytic treatment with 100 mg of sulfuric acid per gram of dry mass, at 140�C for 20 min, was employed as a substrate for microbial protein production. Among the 22 species of microorganisms evaluated, Candida tropicalis IZ 1824...

  • Use of Residual Biomass from the Textile Industry as Carbon Source for Production of a Low-Molecular-Weight Xylanase from Aspergillus oryzae.
    Duarte Caetano, Gilvan; de Souza Moreira, Leonora Rios; G�mez-Mendoza, Diana Paola; Gon�alves de Siqueira, F�lix; Batista Lu�s, Roberto; Velho do Amaral, Lourdes Isabel; Ornelas Ricart, Carlos Andr�; Ferreira Filho, Edivaldo Ximenes // Applied Sciences (2076-3417); Dec2012, Vol. 2 Issue 4, p754 

    Pretreated dirty cotton residue (PDCR) from the textile industry was used as an alternative carbon source for the submerged cultivation of Aspergillus oryzae and the production of xylanases. The filtered culture supernatant was fractionated by ultrafiltration followed by three chromatographic...

  • Fractionation of Corn Fiber Treated by Soaking in Aqueous Ammonia (SAA) for Isolation of Hemicellulose B and Production of C5 Sugars by Enzyme Hydrolysis.
    Nghiem, Nhuan; Montanti, Justin; Johnston, David; Drapcho, Caye // Applied Biochemistry & Biotechnology; Sep2011, Vol. 164 Issue 8, p1390 

    process was developed to fractionate and isolate the hemicellulose B component of corn fiber generated by corn wet milling. The process consisted of pretreatment by soaking in aqueous ammonia followed by enzymatic cellulose hydrolysis, during which the hemicellulose B was solubilized by cleavage...

  • A new approach about the digestion of fibers by ruminants.
    Marmo MOREIRA, Leonardo; de Paula LEONEL, Fernando; Mendonça VIEIRA, Ricardo Augusto; PEREIRA, José Carlos // Revista Brasileira de Saúde e Produção Animal (RBSPA); jul-set2013, Vol. 14 Issue 3, p382 

    The decisive role of metallic cations in the formation of supramolecular clusters involving lignin, cellulose, and hemi-cellulose and its relationship to energy losses in ruminants associated with fibrous feed resources is still not well understood. Indeed, interactions between lignin, cellulose...

  • A Statistical Approach to Optimize Xylitol Production by Debaryomyces nepalensis NCYC 3413 in Vitro.
    Kumdam, Hima Bindu; Murthy, Shweta N.; Gummadi, Sathyanarayana N. // Food & Nutrition Sciences; Aug2012, Vol. 3 Issue 8, p1027 

    Debaryomyces nepalensis NCYC 3413, halotolerant yeast isolated from rotten apple, was capable of utilizing components of hemicellulose hydrolysate such as glucose, galactose, mannose, xylose and arabinose. The organism utilizes xylose as a sole carbon source and produces xylitol. The...

  • Kinetic modelling of the pyrolysis of Miscanthus × Giganteus from the thermogravimetric analysis of its fractionated components.
    Collura, Salvatore; Azambre, Bruno; Weber, Jean-Victor // Environmental Chemistry Letters; Dec2005, Vol. 3 Issue 3, p95 

    In this paper the thermal behaviour of Miscanthus × Giganteus (M×G) is studied by thermogravimetric analysis. In order to characterise the thermal behaviour of its cellulose, hemicellulose and lignin, the raw M×G material was treated sequentially by water, H2SO4 and KOH. The global...

  • Xylanases from fungi: properties and industrial applications.
    Polizeli, M. L. T. M.; Rizzatti, A. C. S.; Monti, R.; Terenzi, H. F.; Jorge, J. A.; Amorim, D. S. // Applied Microbiology & Biotechnology; Jun2005, Vol. 67 Issue 5, p577 

    Xylan is the principal type of hemicellulose. It is a linear polymer of β- D-xylopyranosyl units linked by (1–4) glycosidic bonds. In nature, the polysaccharide backbone may be added to 4- O-methyl-α- D-glucuronopyranosyl units, acetyl groups, α- L-arabinofuranosyl, etc., in...

  • Fungal arabinan and l-arabinose metabolism.
    Seiboth, Bernhard; Metz, Benjamin // Applied Microbiology & Biotechnology; Mar2011, Vol. 89 Issue 6, p1665 

    l-Arabinose is the second most abundant pentose beside d-xylose and is found in the plant polysaccharides, hemicellulose and pectin. The need to find renewable carbon and energy sources has accelerated research to investigate the potential of l-arabinose for the development and production of...

  • Comparison of diafiltration and size-exclusion chromatography to recover hemicelluloses from process water from thermomechanical pulping of spruce.
    Alexandra Andersson; Tobias Persson; Guido Zacchi; Henrik StÃ¥lbrand; Ann-Sofi Jönsson // Applied Biochemistry & Biotechnology; Mar2007, Vol. 137 Issue 1-12, p971 

    Abstract  Hemicelluloses constitute one of the most abundant renewable resources on earth. To increase their utilization, the isolation of hemicelluloses from industrial biomass side-streams would be beneficial. A method was investigated to isolate hemicelluloses from process...

  • Heat extraction of corn fiber hemicellulose.
    Zsuzsa Benkő; Alexandra Andersson; Zsolt Szengyel; Melinda Gáspár; Kati Réczey; Henrik StÃ¥lbrand // Applied Biochemistry & Biotechnology; Mar2007, Vol. 137 Issue 1-12, p253 

    Abstract  Water-soluble hemicellulose was extracted from corn fiber with microwave-assisted heat treatment. The effects of treatment temperature and initial pH of the aqueous extraction media were investigated regarding hemicellulose recovery and molecular mass of the isolated...

  • Economic evaluation of isolation of hemicelluloses from process streams from thermomechanical pulping of spruce.
    Tobias Persson; Anna-Karin Nordin; Guido Zacchi; Ann-Sofi Jönsson // Applied Biochemistry & Biotechnology; Mar2007, Vol. 137 Issue 1-12, p741 

    Abstract  Hemicelluloses, which are abundant in nature and have potential use in a wide variety of applications, may make an important contribution in helping relieve society of its dependence on petrochemicals. However, cost-efficient methods for the isolation of hemicelluloses...

  • Biofuels: Converting the biomasses.
    Johnson, Russell // Nature Chemistry; Jan2013, Vol. 5 Issue 1, p5 

    The article discusses the conversion of waste biomass to biofuels which includes the separation of two chemical mixture such as cellulose and hemicelluloses.

  • Production of xylooligosaccharides from enzymatic hydrolysis of xylan by white-rot fungi Pleurotus.
    de Menezes, Cristiano Ragagnin; Silva, Ísis Serrano; Pavarina, Érika Cristina; de Faria, Andréia Fonseca; Elisângela Franciscon; Durrant, Lucia Regina // Acta Scientiarum: Technology; Jan-Mar2010, Vol. 32 Issue 1, p37 

    Hemicellulose consists of non-cellulosic polysaccharides, with xylans and mannans as their main examples. In nature, xylan can be first degraded to xylooligosaccharides and finally to xylose by certain microorganisms. White-rot fungi basidiomycetes Pleurotus sp. BCCB068 and Pleurotus tailandia...

  • Improving enzymatic hydrolysis of thermo-mechanical fiber from Eucalyptus urophylla by combination of hydrothermal pretreatment and alkali fractionation.
    Shaoni Sun; Xuefei Cao; Shaolong Sun; Feng Xu; Xianliang Song; Run-Cang Sun; Gwynn Jones // Biotechnology for Biofuels; 2014, Vol. 7 Issue 1, p1 

    Background The recalcitrance of lignocellulosic biomass is a major limitation for its conversion into biofuels by enzymatic hydrolysis. The use of a pretreatment technology is an essential step to diminish biomass recalcitrance for bioethanol production. In this study, a two-step pretreatment...

  • Development and Characterization of an Environmentally Friendly Process Sequence (Autohydrolysis and Organosolv) for Wheat Straw Delignification.
    Ruiz, Héctor A.; Ruzene, Denise S.; Silva, Daniel P.; Macieira da Silva, Fernando F.; Vicente, António A.; Teixeira, José A. // Applied Biochemistry & Biotechnology; Jul2011, Vol. 164 Issue 5, p629 

    The present work describes the delignification of wheat straw through an environmentally friendly process resulting from sequential application of autohydrolysis and organosolv processes. Wheat straw autohydrolysis was performed at 180°C during 30 min with a liquid-solid ratio of 10 ( v/ w);...

  • A Xylanase Gene Directly Cloned from the Genomic DNA of Alkaline Wastewater Sludge Showing Application Potential in the Paper Industry.
    Zhao, Yanyu; Luo, Huiying; Meng, Kun; Shi, Pengjun; Wang, Guozeng; Yang, Peilong; Yuan, Tiezheng; Yao, Bin // Applied Biochemistry & Biotechnology; Sep2011, Vol. 165 Issue 1, p35 

    A xylanase gene, aws-2x, was directly cloned from the genomic DNA of the alkaline wastewater sludge using degenerated PCR and modified TAIL-PCR. The deduced amino acid sequence of AWS-2x shared the highest identity (60%) with the xylanase from Chryseobacterium gleum belonging to the glycosyl...

  • On Polydispersity of Plant Biomass Recalcitrance and Its Effects on Pretreatment Optimization for Sugar Production.
    Zhu, J.; Verrill, Steve; Liu, Hao; Herian, Victoria; Pan, Xuejun; Rockwood, Donald // BioEnergy Research; Sep2011, Vol. 4 Issue 3, p201 

    This paper discusses a property associated with plant biomass recalcitrance to enzyme and microbial deconstructions in sugar production from cellulose and hemicelluloses. The hemicelluloses are more readily hydrolyzed to sugars than is cellulose. As a result, optimization to maximize individual...

  • l-Arabinose metabolism in Candida arabinofermentans PYCC 5603T and Pichia guilliermondii PYCC 3012: influence of sugar and oxygen on product formation.
    Fonseca, César; Spencer-Martins, Isabel; Hahn-Hägerdal, Bärbel // Applied Microbiology & Biotechnology; May2007, Vol. 75 Issue 2, p303 

    l-Arabinose utilization by the yeasts Candida arabinofermentans PYCC 5603T and Pichia guilliermondii PYCC 3012 was investigated in aerobic batch cultures and compared, under similar conditions, to d-glucose and d-xylose metabolism. At high aeration levels, only biomass was formed from all the...

  • Catalytic Performance of Corn Stover Hydrolysis by a New Isolate Penicillium sp. ECU0913 Producing both Cellulase and Xylanase.
    Qian-Qian Shi; Jie Sun; Hui-Lei Yu; Chun-Xiu Li; Jie Bao; Jian-He Xu // Applied Biochemistry & Biotechnology; Aug2011, Vol. 164 Issue 6, p819 

    fungal strain, marked as ECU0913, producing high activities of both cellulase and xylanase was newly isolated from soil sample collected near decaying straw and identified as Penicillium sp. based on internal transcribed spacer sequence homology. The cultivation of this fungus produced both...

  • Oak wood hemicelluloses extracted with aqueous-alcoholic media.
    Pisarnitskii, A.; Rubeniya, T.; Rutitskii, A. // Applied Biochemistry & Microbiology; Sep2006, Vol. 42 Issue 5, p514 

    Hemicellulose fractions were isolated from oak wood ethanol extracts (40�90%). To determine the composition of these fractions, they were hydrolyzed and the hydrolysis products in the form of trimethylsilyl derivatives were analyzed by GLC/MS. Depending on the content of the ethanol,...

  • Effect of Oxygen Concentration on the Composting Process and Maturity.
    Weidong Wang; Xiaofen Wang; Jianbin Liu; Masaharu Ishii; Yasuo Igarashi; Zongjun Cui // Compost Science & Utilization; Summer2007, Vol. 15 Issue 3, p184 

    The goal of this research was to investigate the effects of oxygen concentration on the composting process in China. The compost system was composed of cattle manure, chicken manure, and wheat straw combined at a ratio 1:3:6 for a period of 60 days. Microaerobic treatment was attained by manual...

  • Isolation and Characterization of a Cold-Active Xylanase Enzyme from Flavobacterium sp.
    Lee, Charles C.; Smith, Michael; Kibblewhite-Accinelli, Rena E.; Williams, Tina G.; Wagschal, Kurt; Robertson, George H.; Wong, Dominic W. S. // Current Microbiology; Feb2006, Vol. 52 Issue 2, p112 

    Xylan is the major component of hemicellulose, and xylan should be fully utilized to improve the efficiencies of a biobased economy. There are a variety of industrial reaction conditions in which an active xylanase enzyme would be desired. As a result, xylanase enzymes with different activity...

  • An Alternative Application to the Portuguese Agro-Industrial Residue: Wheat Straw.
    Denise Ruzene; Daniel Silva; António Vicente; Adilson Gonçalves; José Teixeira // Applied Biochemistry & Biotechnology; Mar2008, Vol. 147 Issue 1-3, p85 

    Abstract  The effects of alkaline treatments of the wheat straw with sodium hydroxide were investigated. The optimal condition for extraction of hemicelluloses was found to be with 0.50 mol/l sodium hydroxide at 55 °C for 2 h. This resulted in the release of 17.3% of...

  • Turning polysaccharides into hydrophobic materials: a critical review. Part 2. Hemicelluloses, chitin/chitosan, starch, pectin and alginates.
    Cunha, Ana Gisela; Gandini, Alessandro // Cellulose; Dec2010, Vol. 17 Issue 6, p1045 

    This survey constitutes the second part of a comprehensive review, whose purpose is to provide a reasoned perspective on the field related to the preparation of new polysaccharide-based hydrophobic materials by scrutinizing the actual state of its art. After dealing with the major topic of...

  • The Binding of Cholic Acid by Hemicellulose and Pectin of Yard-Long Bean [Vigna sesquipedalis (L.) Fruhw].
    Yuanita, L.; Suyono; Sanjaya, I. G. M. // Journal of Food Science & Engineering; 2011, Vol. 1 Issue 5, p348 

    The aim of the study was to describe the binding of cholic acid by hemicellulose and pectin of yard-long bean at gastrointestinal system (in vitro), through variation of acidity (pH 3, 5 and 7) and boiling time (raw/0, 5, 20 and 35 minutes) of yard-long bean. Two-way Anova (a = 5%) and...

  • Alternative Value Chains for Biomass Conversion to Chemicals.
    Gallezot, Pierre // Topics in Catalysis; Sep2010, Vol. 53 Issue 15-18, p1209 

    Whereas biomass conversion is widely envisioned to proceed via platform molecules that are employed as building blocks to produce chemicals, an alternative value chain is proposed that proceeds via more direct and cost effective routes and do not duplicate chemicals currently produced from...

  • Pyrolysis of wheat straw in a thermogravimetric analyzer: Effect of particle size and heating rate on devolatilization and estimation of global kinetics.
    Mani, Thilakavathi; Murugan, Pulikesi; Abedi, Jalal; Mahinpey, Nader // Chemical Engineering Research & Design: Transactions of the Inst; Aug2010, Vol. 88 Issue 8, p952 

    The influence of different parameters such as particle size, initial weight of the sample, and heating rate on the devolatilization of wheat straw particles have been studied using thermogravimetric analysis. In addition, the variations in proximate analysis with different particle sizes of...

  • The Effects of Crude Oil Boiling Treatment on Physical Properties of Bambusa vulgaris var. Striata (Buluh Gading).
    Izran, K.; Razak, W.; Zaidon, A.; Abood, F.; Norhisham, A. R. // Pertanika Journal of Tropical Agricultural Science; Nov2012, Vol. 35 Issue 4, p823 

    Bamboo is a material formed from organic components such as cellulose, hemicellulose and lignin. It is often attacked by biodegradation agents due to the presence of the organic components which affect the physical properties and durability of the bamboo, hence limiting its utilization as an...

  • UNDERSTANDING THE LIMITATIONS OF REMOVAL OF HEMICELLULOSES DURING AUTOHYDROLYSIS OF A MIXTURE OF SOUTHERN HARDWOODS.
    Tunc, Mehmet Sefik; Lawoko, Martin; van Heiningen, Adriaan // BioResources; 2010, Vol. 5 Issue 1, p356 

    Extraction of hemicelluloses from wood prior to pulping is being pursued to generate more value-added products, while still producing high quality pulp from the pre-extracted wood. For a better understanding of the factors limiting selective extraction, enzymatic hydrolysis in combination with...

  • Physical and Chemical Properties of Wet Processed Hemp and Kenaf.
    Jinhua Wang; Ramaswamy, Gita N. // AATCC Review; Jan2005, Vol. 5 Issue 1, p22 

    Both kenaf and hemp fibers were studied chemically and physically. Treatments included alkali processing, hydrogen peroxide bleaching, and a combination of both processes. Lignin and hemicellulose contents, fiber bundle tenacity, elongation, and moisture regain were evaluated before and after...

  • Effects of pH, Temperature, Enzyme and Substrate Concentration on Xylooligosaccharides Production.
    Siti-Normah, M. D. S.; Sabiha-Hanim, S.; Noraishah, A. // World Academy of Science, Engineering & Technology; 2012, Issue 72, p1509 

    Agricultural residue such as oil palm fronds (OPF) is cheap, widespread and available throughout the year. Hemicelluloses extracted from OPF can be hydrolyzed to their monomers and used in production of xylooligosaccharides (XOs). The objective of the present study was to optimize the enzymatic...

  • Distribution of Fucosylated Xyloglucans among the Walls of Different Cell Types in Monocotyledons Determined by Immunofluorescence Microscopy.
    Brennan, Maree; Harris, Philip J. // Molecular Plant; Jan2011, Vol. 4 Issue 1, p144 

    Xyloglucans in the non-lignified primary cell walls of different species of monocotyledons have diverse structures, with widely varying proportions of oligosaccharide units that contain fucosylated side chains (F side chains). To determine whether fucosylated xyloglucans occur in all...

  • INDUCTION OF ENZYME COCKTAILS BY LOW COST CARBON SOURCES FOR PRODUCTION OF MONOSACCHARIDE-RICH SYRUPS FROM PLANT MATERIALS.
    Gilleran, Caroline T.; Hernon, Alan T.; Murray, Patrick G.; Tuohy, Maria G. // BioResources; 2010, p634 

    The production of cellulases, hemicellulases, and starch-degrading enzymes by the thermophilic aerobic fungus Talaromyces emersonii under liquid state culture on various food wastes was investigated. A comprehensive enzyme screening was conducted, which resulted in the identification of spent...

  • ALKALINE PRETREATMENT OF SPRUCE AND BIRCH TO IMPROVE BIOETHANOL AND BIOGAS PRODUCTION.
    Mirahmadi, Kambiz; Kabir, Maryam Mohseni; Jeihanipour, Azam; Karimi, Keikhosro; Taherzadeh, Mohammad J. // BioResources; 2010, p928 

    Alkaline pretreatment with NaOH under mild operating conditions was used to improve ethanol and biogas production from softwood spruce and hardwood birch. The pretreatments were carried out at different temperatures between minus 15 and 100°C with 7.0% w/w NaOH solution for 2 h. The...

  • EFFECT OF OZONE AND AUTOHYDROLYSIS PRETREATMENTS ON ENZYMATIC DIGESTIBILITY OF COASTAL BERMUDA GRASS.
    Lee, Jung Myoung; Jameel, Hasan; Venditti, Richard A. // BioResources; 2010, p1084 

    Coastal Bermuda grass (CBG) has been shown to have potential as a biomass feedstock for sugar production. In this study, the effectiveness of ozone pretreatment for CBG to improve the sugar recovery via enzyme hydrolysis was investigated. Raw CBG and autohydrolysistreated CBG were pretreated...

  • Loosening xyloglucan prevents tensile stress in tree stem bending but accelerates the enzymatic degradation of cellulose.
    Hayashi, T.; Kaida, R.; Kaku, T.; Baba, K. // Russian Journal of Plant Physiology; May2010, Vol. 57 Issue 3, p316 

    In response to environmental variation, xyloglucan could fix the microfibrils to the inner surface of the wall to withstand the tensile stress generated within the G-layer. This would explain why the basal regions of stems of transgenic poplars overexpressing xyloglucanase could not bend upward....

  • Biodegradation of Lignocellulose by White-Rot Fungi: Structural Characterization of Water-Soluble Hemicelluloses.
    Xiao, Ling-Ping; Shi, Zheng-Jun; Bai, Yuan-Yuan; Wang, Wei; Zhang, Xue-Ming; Sun, Run-Cang // BioEnergy Research; Dec2013, Vol. 6 Issue 4, p1154 

    In the biological pretreatment process, white-rot fungi are mostly used to degrade lignin and carbohydrates in lignocellulosic biomass. In this study, water-soluble hemicelluloses were recovered from birch wood ( Betula alnoides) decayed by white-rot fungi ( Ganoderma lucidum C7016) for...

  • The Influence of Hemicellulose and Lignin Removal on the Enzymatic Digestibility from Sugarcane Bagasse.
    Lv, Shuangliang; Yu, Qiang; Zhuang, Xinshu; Yuan, Zhenghong; Wang, Wen; Wang, Qiong; Qi, Wei; Tan, Xuesong // BioEnergy Research; Dec2013, Vol. 6 Issue 4, p1128 

    Sugarcane bagasse (SCB) was pretreated with liquid hot water (LHW) and aqueous ammonia (AA), with the objective of investigating the influence of hemicellulose and lignin removal on the enzymatic digestibility and sugar recovery. The experimental results show that LHW and aqueous ammonia have a...

  • Food utilisation and digestive ability of aquatic and semi-terrestrial crayfishes, Cherax destructor and Engaeus sericatus (Astacidae, Parastacidae).
    Linton, Stuart Maxwell; Allardyce, Benjamin J.; Hagen, Wilhelm; Wencke, Petra; Saborowski, Reinhard // Journal of Comparative Physiology B: Biochemical, Systemic & Env; Jun2009, Vol. 179 Issue 4, p493 

    Both Engaeus sericatus and Cherax destructor are omnivorous crayfishes consuming a variety of food items. Materials identified in the faeces of both E. sericatus and C. destructor consisted of mainly plant material with minor amounts of arthropod animals, algae and fungi. The morphology of the...

  • Metabolic study of the adaptation of the yeast Candida guilliermondii to sugarcane bagasse hydrolysate.
    Sene, L.; Converti, A.; Zilli, M.; Felipe, M. G. A.; Silva, S. S. // Applied Microbiology & Biotechnology; Dec2001, Vol. 57 Issue 5/6, p738 

    Batch xylitol production from concentrated sugarcane bagasse hydrolysate by Candida guilliermondii was performed by progressively adapting the cells to the medium. Samples were analyzed to monitor sugar and acetic acid consumption, xylitol, arabitol, ethanol, and carbon dioxide production, as...

  • The Cooperative Activities of CSLD2, CSLD3, and CSLD5 Are Required for Normal Arabidopsis Development.
    Yin, Lan; Verhertbruggen, Yves; Oikawa, Ai; Manisseri, Chithra; Knierim, Bernhard; Prak, Lina; Jensen, Jacob Krüger; Knox, J. Paul; Auer, Manfred; Willats, William G.T.; Scheller, Henrik Vibe // Molecular Plant; Nov2011, Vol. 4 Issue 6, p1024 

    Glycosyltransferases of the Cellulose Synthase Like D (CSLD) subfamily have been reported to be involved in tip growth and stem development in Arabidopsis. The csld2 and csld3 mutants are root hair defective and the csld5 mutant has reduced stem growth. In this study, we produced double and...

  • α- l-Arabinofuranosidases: the potential applications in biotechnology.
    Numan, Mondher Th.; Bhosle, Narayan // Journal of Industrial Microbiology & Biotechnology; Apr2006, Vol. 33 Issue 4, p247 

    Recently, α- l-arabinofuranosidases (EC3.2.1.55) have received increased attention primarily due to their role in the degradation of lignocelluloses as well as their positive effect on the activity of other enzymes acting on lignocelluloses. As a result, these enzymes are used in many...

  • Carbohydrates from Curcuma longa.
    Orlovskaya, T.; Chelombit?ko, V. // Chemistry of Natural Compounds; Jul2006, Vol. 42 Issue 4, p483 

    The article examines the content of turmeric polysaccharides from Curcumar longa, a perennial herbaceous plant of the Zingiberaceae family. The researchers used an air-dried ground rhizome from the plant cultivated in Morocco and polysaccharide fractions were isolated by working up ground raw...

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