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Palavra-chave Solid state fermentation (43) Maestría (5) Response surface methodology (4) Submerged fermentation (4) Aspergillus niger (3) Digestibilidad “in vitro” (3) Digestibility “in vitro” (3) Fermentación sólida (3) Ganadería (3) Subproductos (3) Agro-industrial residues (2) Apple pomace (2) Aroma (2) Aspergillus terreus (2) By-products (2) Ceratocystis fimbriata (2) Ethanol (2) Optimization (2) Sugarcane bagasse (2) Trichoderma harzianum (2) Mais... Tipo do documento Info:eu-repo/semantics/article (34) Tesis (4) Journal article (2) Working or Discussion Paper (1) Ano 2019 (1) 2018 (1) 2016 (2) 2015 (2) 2014 (1) 2013 (2) 2012 (2) 2011 (3) 2010 (5) 2009 (4) 2008 (2) 2007 (4) 2006 (1) 2005 (1) 2004 (2) 2003 (1) 2002 (1) 2001 (1) 1999 (4) 1998 (3) Mais... País Brazil (34) Mexico (6) Chile (2) United States (1) Idioma Inglês (38) Espanhol (5)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 43 Primeira ... 1 2 3 ... Última High cellulolytic activities in filamentous fungi isolated from an extreme oligotrophic subterranean environment (Catão cave) in Brazil Anais da ABC (AABC) PAULA,CAIO C.P. DE; MONTOYA,QUIMI V.; MEIRELLES,LUCAS A.; FARINAS,CRISTIANE S.; RODRIGUES,ANDRÉ; SELEGHIM,MIRNA H.R.. Abstract Abstract: Isolation and screening of new fungal strains from extreme and understudied environments, such as caves, is a promising approach to find higher yields enzyme producers. Cellulolytic fungal strains isolated from a Brazilian cave were evaluated for their enzymatic production after submerged (SmF) and solid-state fermentation (SSF). After SmF, three strains were selected for their high enzymatic activities: Aspergillus ustus for endoglucanase (4.76 U/mg), Talaromyces bruneus for β-glucosidase (11.71 U/mg) and Aspergillus sp. (CBMAI 1926) for total cellulase (1.70 U/mg). After SSF, these strains, showed better yields compared to the reference strain Aspergillus niger 3T5B8. Aspergillus sp. (CBMAI 1926) stood out as a new species that... Tipo: Info:eu-repo/semantics/article Palavras-chave: Cellulases; Fungu’s cave; Solid state fermentation; Submerged fermentation; Subterranean environment. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000500601 Optimization of extraction parameters for recovery of alpha-amylase from the fermented bran of Bacillus circulans GRS313 BABT Palit,Soumen; Banerjee,Rintu. The extraction of alpha-amylase in the solid state fermentation of wheat bran by Bacillus circulans GRS313 was optimized. Among various solvents tested, maximum extraction was achieved when 2.5% (v/v) glycerol was added. The optimum conditions for extraction were 2.5 hrs soaking time at 30° C under recirculation and agitated condition, which yielded 590 U/g bran of enzyme activity. Whereas under stationary soaking condition the activity of the enzyme was 439.58U/g bran. With repeated wash under the above optimum conditions showed that 600 U/g and 184.2 U/g of enzyme extracted in the 1st and 2nd washes respectively and only 36.84 U/g was recovered in the 3rd wash Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacillus circulans; Solid state fermentation; Alpha- amylase; Extraction. Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132001000100015 Evaluation of apple pomace based reconstituted feed in rats after solid state fermentation and ethanol recovery BABT Devrajan,A.; Joshi,Vinod K.; Gupta,Kuldeep; Sheikher,Chander; Lal,Brij B.. To utilize apple pomace in an economical and effective way, a feed was developed by solid state fermentation (SSF) using sequential interactive co-culture of Candida utilis and Kloeckera. Removal of ethanol and drying of the left - over residue. Feeding trial was conducted in white albino rats before and after reconstitution of apple pomace feed in the choice and no choice study. Feeding of apple pomace feed in the rats before reconstitution indicated that neither in fermented nor in unfermented form it was acceptable. In the no choice study both in 100% fermented and unfermented apple pomace group feed intake decreased continuously resulting in death of rats apparently due to decreased digestibility owing to high fibre content. Further, fermented or... Tipo: Info:eu-repo/semantics/article Palavras-chave: Apple pomace; Rat feed; Solid state fermentation; Ethanol. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000100013 Production of spores of Trichoderma harzianum on sugar cane molasses and bagasse pith in solid state fermentation for biocontrol BABT Rodríguez-León,Jose A.; Domenech,F.; León,M.; Méndez,T.; Rodríguez,D. E.; Pandey,Ashok. Solid state fermentation was carried out for the production of spores from Trichoderma harzianum No 53 using sugar cane bagasse pith as solid matrix and sugar cane molasses as carbon and energy source. Different nitrogen sources such as urea, (NH4)2SO4 , NH4H2PO4 and (NH4)2HPO4 were added in the media to test their effect on spores production. Among these, urea was found most useful that resulted high no of spores (1x10(9)/gDM). The influence of temperature and initial moisture of the substrate was studied through a 2² experimental plan design. No statistical differences were found within the range of 30-35ºC and 60-70% for temperature and moisture respectively. The biotechnological parameters of the process were derived from the Oxygen Uptake Rate (OUR)... Tipo: Info:eu-repo/semantics/article Palavras-chave: Trichoderma harzianum; Solid state fermentation; Sugar cane pith and molasses; Biocontrol; Kinetics. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000100010 Solid-state fermentation of Acanthogobius hastaprocessing by-products for the production of antioxidant protein hydrolysates with Aspergillus oryzae BABT Fang,Yaowei; Wang,Shujun; Liu,Shu; Lu,Mingsheng; Jiao,Yuliang; Chen,Guoqiang; Pan,Jianmei. Functional properties and antioxidative activity of a protein hydrolysate prepared from Acanthogobius hasta processing by-product protein during solid-state fermentation with Aspergillus oryzae were investigated. Overall, protease activity increased with the degree of hydrolysis (DH) decreased during solid-state fermentation. All the protein hydrolysate had excellent solubility, possessed interfacial properties, and varying degrees of antioxidant activity which were governed by their concentrations and DH, molecular weight distribution and amino acid composition. After 5 days fermentation, the DH of the protein hydrolysate was 31.23%. The protein hydrolysate had the highest total hydrophobic amino acid content, the highest DPPH scavenging activity,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Functionalities and antioxidant properties; Acanthogobius hasta processing by-product; Solid state fermentation; Protein hydrolysates; Aspergillus oryzae. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000300343 Microbial production of citric acid BABT Vandenberghe,Luciana P. S; Soccol,Carlos R; Pandey,Ashok; Lebeault,Jean-Michel. Citric acid is the most important organic acid produced in tonnage and is extensively used in food and pharmaceutical industries. It is produced mainly by submerged fermentation using Aspergillus niger or Candida sp. from different sources of carbohydrates, such as molasses and starch based media. However, other fermentation techniques, e.g. solid state fermentation and surface fermentation, and alternative sources of carbon such as agro-industrial residues have been intensively studied showing great perspective to its production. This paper reviews recent developments on citric acid production by presenting a brief summary of the subject, describing micro-organisms, production techniques, and substrates, etc. Tipo: Info:eu-repo/semantics/article Palavras-chave: Citric acid; Aspergillus niger; Submerged fermentation; Solid state fermentation; Substrates. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000300001 Purification and characterization of an anti-cancer enzyme produced by marine Vibrio Costicola under a novel solid state fermentation process BABT Prabhu,G. Nagendra; Chandrasekaran,M. L - Glutaminase, a therapeutically and industrially important enzyme, was produced from marine Vibrio costicola by a novel solid state fermentation process using polystyrene beads as inert support. The new fermentation system offered several advantages over the conventional systems, such as the yield of leachate with minimum viscosity and high specific activity for the target product besides facilitating the easy estimation of biomass. The enzyme thus produced was purified and characterised. It was active at physiological pH, showed high substrate specificity towards L - glutamine and had a Km value of 7.4 x 10-2 M. It also exhibited high salt and temperature tolerance indicating good scope for its industrial and therapeutic applications. Tipo: Info:eu-repo/semantics/article Palavras-chave: L- Glutaminase; Vibrio costicola; Solid state fermentation; Inert support; Purification and characterisation. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000300015 Optimization of thermostable α- amylase production by Streptomyces erumpens MTCC 7317 in solid-state fermentation using cassava fibrous residue BABT Shaktimay,Kar; Datta,Tapan Kumar; Ray,Ramesh Chandra. Production of α- amylase under solid state fermentation by Streptomyces erumpens MTCC 7317 was investigated using cassava fibrous residue, one of the major solid waste released during extraction of starch from cassava (Manihot esculenta Crantz). Response surface methodology (RSM) was used to evaluate the effect of the main variables, i.e., incubation period (60 h), moisture holding capacity (60%) and temperature (50(0)C) on enzyme production by applying a full factorial Central Composite Design. Varying the inoculum concentration (5-25%) of S. erumpens showed that 15% inoculum (v/w, 2.5 x 10(6) CFU/ml) was the optimum for α- amylase production. Among the different nitrogen sources supplemented, beef extract was most suitable for enzyme production. The... Tipo: Info:eu-repo/semantics/article Palavras-chave: Α- amylase; Cassava fibrous residue; Optimization; Response surface methodology; Solid state fermentation. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000200008 Enhanced lipase recovery through RSM integrated differential evolutionary approach from the fermented biomass BABT Garlapati,Vijay Kumar; Vundavilli,Pandu Ranga; Banerjee,Rintu. The aim of this work was to apply a modeling integrated optimisation approach for a complex, highly nonlinear system for an extracellular lipase extraction process. The model was developed using mutation, crossover and selection variables of Differential Evolution (DE) based on central composite design of Response Surface Methodology. The experimentally validated model was optimized by DE, a robust evolutionary optimization tool. A maximum lipase activity of 134.13 U/gds (more than 36.28 U/gds compared to one variable at a time approach) was observed with the DE-stated optimum values of 25.01% dimethyl sulfoxide concentration, 40 mM buffer, 128.52 min soaking time and 35ºC with the DE control parameters, namely number of population, generations, crossover... Tipo: Info:eu-repo/semantics/article Palavras-chave: Modeling; Optimization; Lipase extraction; Response surface methodology; Differential evolution; Solid state fermentation. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132013000500001 Copper improves the production of laccase by the white-rot fungus Pleurotus pulmonarius in solid state fermentation BABT Tychanowicz,Giovana Kirst; Souza,Daniela F. de; Souza,Cristina G. M.; Kadowaki,Marina Kimiko; Peralta,Rosane Marina. Pleurotus pulmonarius (Fr) Quélet, produced laccase as the main ligninolytic enzyme when cultivated on solid-state cultures using corn cob as substrate. The addition of copper greatly increased the production of enzyme. The addition of 25.0 mM CuSO4 increased the level of laccase from 270 to 1,420 U.L-1 and the fungus showed high resistance to copper under the conditions used in this work. Tipo: Info:eu-repo/semantics/article Palavras-chave: Copper; Laccase; Pleurotus pulmonarius; Phenoloxidase; Solid state fermentation. Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000600002 Solid State production of manganese peroxidases using arecanut husk as substrate BABT Rajan,Akhila; Kurup,Jayalakshmi Gopinatha; Abraham,Tholath Emilia. The lignocellulosic biomass from arecanut husk (Areca catechu Linnaeus) was evaluated as a new substrate for cultivation of Phanerochaete chrysosporium and Phanerochaete sp for solid state fermentation of manganese peroxidase (MnP). Arecanut had a moisture content of 79.84 % for ripe nut husk whereas green nut husk had 68.39 % moisture and a pH of 5.0, 3.0 and 7.0 for raw, ripe and dry husk. Reducing sugar content was 14.31, 19.21 and 1.77(mg/g of husk) for raw, ripe and dry nut husk, respectively. Non reducing sugar was 1.04(mg/g of husk) for raw and 0.68 (mg/g of husk) for dry husk. Solid state fermentation carried out at different pH showed optimum enzyme production at pH 6.0 (52.60 IU/g) for P.chrysosporium and pH 5.0 (44.08 IU/g) for Phanerochaete sp.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Arecanut husk; Solid state fermentation; Manganese peroxidase; Phanerocheate chrysosporium; Phanerocheate sp. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000300008 Bioethanol production from sweet potato (Ipomoea batatas L.) flour using co-culture of Trichoderma sp. and Saccharomyces cerevisiae in solid-state fermentation BABT Swain,Manas Ranjan; Mishra,Jyoti; Thatoi,Hrudayanath. The aim of this work was to study the optimiation of co-culturing of Trichoderma sp. and Saccharomyces cerevisiae (1:4 ratio) on sweet potato (Ipomoea batatas L.) flour (SPF) for the production of bio-ethanol in solid-state fermentation (SSF). Maximum ethanol (172 g/kg substrate) was produced in a medium containing 80% moisture, ammonium sulphate 0.2%, pH 5.0, inoculuted with 10% inoculum size and fermented at 30ºC for 72h. .Concomitant with highest ethanol concentration, maximum ethanol productivity (2.8 g/kg substrate/h), microbial biomass (23×10(8) CFU/ g substrate), ethanol yield (47 g/100g sugar consumed) and fermentation efficiency (72%) were also obtained under these conditions. Cell interaction was observed familiar between the viable cells of... Tipo: Info:eu-repo/semantics/article Palavras-chave: Trichoderma sp.; Saccharomyces cerevisiae; Sweet potato flour; Solid state fermentation. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132013000200002 A comparison of methods to determine tannin acyl hydrolase activity BABT Aguilar,Cristóbal; Christopher,Augur; Viniegra-González,Gustavo; Favela,Ernesto. Six methods to determine the activity of tannase produced by Aspergillus niger Aa-20 on polyurethane foam by solid state fermentation, which included two titrimetric techniques, three spectrophotometric methods and one HPLC assay were tested and compared. All methods assayed enabled the measurement of extracellular tannase activity. However, only five were useful to evaluate intracellular tannase activity. Studies on the effect of pH on tannase extraction demonstrated that tannase activity was considerably under-estimated when its extraction was carried out at pH values below 5.5 and above 6.0. Results showed that the HPLC technique and the modified Bajpai and Patil methods presented several advantages in comparison to the other methods tested. Tipo: Info:eu-repo/semantics/article Palavras-chave: Tannin acyl hydrolase; Assay; Polyurethane foam; Solid state fermentation; Tannase. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000300014 Recovery of phytase produced by solid-state fermentation on citrus peel BABT Rodríguez-Fernández,Daniel Ernesto; Rodríguez-León,José Angel; Carvalho,Júlio Cesar de; Thomaz-Soccol,Vanete; Parada,José Luis; Soccol,Carlos Ricardo. The extraction of phytase produced by solid-state fermentation of citrus peel was studied employing a multistage leaching process. It was observed that the extracts containing EDTA retained over 90% of phytase activity at room temperature after 24 h after the leaching. A fractional design 2² (with 4 replicates at the central point) was carried out for testing the pH and agitation as process independent factors. Only the interaction between the pH and agitation showed a significant influence. These factors were optimized with a central composite design. Agitation at 300 rpm and pH at 5.0 were the best conditions to extract the enzyme from solid matrix. The modeling of the process indicated that diffusivity of the enzyme in the solvent was the controlling... Tipo: Info:eu-repo/semantics/article Palavras-chave: Leaching; Recovery multistage; Phytase; Solid state fermentation; Kinetic models. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000600026 Application of Response Surface Methodology for Optimizing Process Parameters in the Production of Amylase by Aspergillus flavusNSH9 under Solid State Fermentation BABT Mustafa,Siti Ratina; Husaini,Ahmad; Hipolito,Cirilo Nolasco; Hussain,Hasnain; Suhaili,Nurshikin; Roslan,Hairul Azman. Amylase is recognized as one of the important commercial enzymes. This group of enzymes has the ability in hydrolyzing starch into smaller oligosacharides. The present work aimed to determine the optimum fermentation conditions for maximum production of crude amylase enzyme by Aspergillus flavus NSH9 employing response surface methodology (RSM).Central composite design (CCD) was applied to determine the optimal fermentation condition with respect to the four main process parameters such as temperature, initial moisture content, pH and the incubation period. Solid state fermentation (SSF) was performed using 5.0 g of sago hampas inoculated with 1x107sporesmL-1following the experimental design obtained using CCD and further optimized by RSM. The initial... Tipo: Info:eu-repo/semantics/article Palavras-chave: Solid state fermentation; Aspergillus flavusNSH9; Sago hampas; Central Composite Design; Response Surface Methodology. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132016000100416 Culture conditions for production of 2-1-β-D-Fructan-fructanohydrolase in solid culturing on chicory (Cichorium intybus) roots BABT Pandey,Ashok; Kavita,Poomarathil; Selvakumar,Ponniah. Investigations were carried out to optimize the culture conditions for the production of b-D-fructan-fructanohydrolase by an indigenously isolated bacterial culture of Staphylococcus sp. RRL8. Experiments were carried out in solid culturing using chicory roots (powdered) as the source of carbon, which was supplemented, with corn steep liquor and potassium dihydrogen phosphate. A number of process parameters, like period of cultivation, initial moisture content in the substrate and temperature of incubation were optimized. Maximum extra-cellular enzyme was produced when fermentation was carried out at 30ºC for 24 h using chicory roots with 60% initial moisture. Supplementation of the substrate with additional carbon source (except with sucrose) resulted... Tipo: Info:eu-repo/semantics/article Palavras-chave: Fructan-fructanohydrolase; Inulinase; Solid state fermentation; Staphylococcus sp.; Chicory. Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131998000200010 Comparative study of a new alkaline L-methioninase production by Aspergillus ustus AUMC 10151 in submerged and solid-state fermentation BABT Abu-Tahon,Medhat Ahmed; Isaac,George Saad. Twenty four fungal species were screened for their ability to produce alkaline L-methioninase on methionine-glucose liquid medium. Aspergillus ustus AUMC 10151 displayed the highest yield of enzyme (10.8 U/mg protein), followed by A. ochraceus and Fusarium proliferatum. Upon optimization of the submerged fermentation (SmF)conditions, the maximum enzyme yield (18.23 U/mg protein) was obtained on a medium containing L-methionine (0.5%), sucrose (0.95%), KH2PO4 (0.1%) and 175 rpm. Seven agro-industrial by-products were screened as substrates for L-methioninase production under solid-state fermentation (SSF). Wheat bran resulted 38.1 U/mg protein, followed by rice bran (27.6 U/mg protein) and soya bean meal (26.6 U/mg protein). Maximum alkaline L-methioninase... Tipo: Info:eu-repo/semantics/article Palavras-chave: L-methioninase; Aspergillus ustus; Submerged fermentation; Solid state fermentation; Wheat bran. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132016000100502 Bioconversion of biomass: a case study of ligno-cellulosics bioconversions in solid state fermentation BABT Pandey,Ashok; Soccol,Carlos R.. Lignocellulosic residues obtained from crops cultivation form useful sources to be used as substrate for bioconversion processes. Sugarcane bagasse, which is a complex substrate obtained from the processing of sugar cane, is an important biomass among such sources. Due to its abundant availability, it can serve as an ideal substrate for microbial processes for the production of value added products. This paper reviews recent developments on biological processes developed on production of various products in solid state fermentation using sugarcane bagasse as the substrate and describes production of protein enriched feed, enzymes, amino acid, organic acids and compounds of pharmaceutical importance, etc. through microbial means. Tipo: Info:eu-repo/semantics/article Palavras-chave: Ligno-cellulosics; Sugarcane bagasse; Bioconversion; Solid state fermentation. Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131998000400001 A new alternative to produce gibberellic acid by solid state fermentation BABT Rodrigues,Cristine; Vandenberghe,Luciana Porto de Souza; Teodoro,Juliana; Oss,Juliana Fraron; Pandey,Ashok; Soccol,Carlos Ricardo. Gibberellic acid (GA3) is an important hormone, which controls plant's growth and development. Solid State Fermentation (SSF) allows the use of agro-industrial residues reducing the production costs. The screening of strains (four of Gibberella fujikuoroi and one of Fusarium moniliforme) and substrates (citric pulp, soy bran, sugarcane bagasse, soy husk, cassava bagasse and coffee husk) and inoculum preparation study were conducted in order to evaluate the best conditions to produce GA3 by SSF. Fermentation assays were carried out in erlenmeyers flasks at 29°C, with initial moisture of 75-80%. Different medium for inoculum production were tested in relation to cells viability and GA3 production by SSF. F. moniliforme LPB 03 and citric pulp were chosen for... Tipo: Info:eu-repo/semantics/article Palavras-chave: Gibberellic acid; Fusarium moniliforme; Solid state fermentation; Inoculum; Agro-industrial residues. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000700023 Crude Fermented Extract Containing Gibberellic Acid Produced by Fusarium moniliforme is an Alternative to Cost Reduction in Biofactories BABT Costa,Jefferson da Luz; Silva,André Luís Lopes da; Gollo,André Luiz; Brondani,Gilvano Ebling; Santos,Leandro Freire dos; Rodrigues,Cristine; Vandenberghe,Luciana Porto de Souza; Soccol,Carlos Ricardo. ABSTRACT Nidularium procerum and Nidularium innocentii (Bromeliaceae) were cultivated in vitro on media supplemented with different sources and levels of GA3 (gibberellic acid). These sources were the commercial powder (analytical degree) and fermented extract obtained by Fusarium moniliforme via solid state fermentation. The in vitro elongation and rooting of these plants were evaluated after 50 days of cultivation. The GA3 present in the fermented extract possess the same effect of purified GA3 (analytical degree) for the increase of the height of aerial part of shoots of N. innocentii, but not for the N. procerum being the GA3 fermented extract in a lesser degree. The GA3 fermented extract influences negatively the rooting in N. innocentii, while GA3... Tipo: Info:eu-repo/semantics/article Palavras-chave: Shelf life; Bromeliad; Gibberellin; Solid state fermentation; Micropropagation; Biofactory. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132018000100427 Registros recuperados: 43 Primeira ... 1 2 3 ... Última

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