Relevant bibliographies by topics / Phytase Production

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  1. Dissertations / Theses

Academic literature on the topic 'Phytase Production'

Author: Grafiati
Published: 6 September 2023

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Dissertations / Theses on the topic "Phytase Production"

1

Kerovuo, Janne. "A novel phytase from Bacillus : characterization and production of the enzyme." Helsinki : University of Helsinki, 2000. http://ethesis.helsinki.fi/julkaisut/mat/bioti/vk/kerovuo/.

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2

Moss, Amy F. "Nutritional strategies to enhance the efficiency of chicken-meat production." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/20031.

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There is, of necessity, an ongoing quest to develop nutritional strategies to enhance chicken-meat production to meet the growing global demand. A better appreciation of starch and protein digestive dynamics is one such strategy. Digestive dynamics is the balance of protein and starch digestion, amino acid and glucose absorption, and the transition of nutrients across enterocytes into the portal circulation and to the sites of protein deposition. Protein and starch digestive dynamics are important for efficient lean muscle deposition. Phytase inclusion and whole grain feeding are two more nutr
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3

Spier, Michele Rigon, Adenise Lorenci Woiciechowski, Carlos Ricardo 1953 Soccol, and Universidade Federal do Paraná Setor de Tecnologia Programa de Pós-Graduaçao em Processos Biotecnológicos. "Development of a bioprocess for production of a new A. niger FS3 Phytase." reponame:Repositório Institucional da UFPR, 2009. http://hdl.handle.net/1884/18314.

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4

Tang, Shuiquan. "Process engineering of Pichia pastoris cultivation for the production of a phytase with GAP promoter." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28277.

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Pichia pastoris (P. pastoris) is a popular host for recombinant protein production. In this work, phytase production with P. pastoris under GAP promoter was studied. In the first part of this study, feasibility of using crude glycerol from biodiesel production as the sole carbon source for P. pastoris cultivation was investigated. Although growth inhibition was found in batch cultivations stated with high concentration of biodiesel glycerol, efficient high cell density production was realized by fed-batch cultivation started with a low concentration of biodiesel glycerol. The second part of th
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5

Zhong, Shuping. "Study of Operational Strategies and Carbon Source Selection for the Production of Phytase using Pichia pastoris." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32204.

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The methylotrophic yeast Pichia pastoris has become an efficient expression system for heterologous protein production. Different methods have been studied to enhance cell growth as well as the production of products of interest. Two of the major strategies for improving the product or biomass yields are optimizing bioprocess controls and cultivation conditions. In this work, the characteristics of this yeast system and of its different promoters are discussed, and the effect of operational strategies on cell growth and recombinant protein expression is also studied. The effect of different fe
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6

Ebune, Anne Ebane. "Production of phytase and reduction of phytic acid content in canola meal by solid state fermentation." Thesis, University of Ottawa (Canada), 1992. http://hdl.handle.net/10393/10855.

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A static state technique for fermentation was applied using Aspergillus ficuum NRRL 3135 on canola meal for the production of phytase and for the reduction of the phytic acid content in the meal. Aspergillus ficuum was chosen as a result of its high phytase producing capacity. In the study of the effects of physical and nutritional factors on the enzyme production and the phytic acid content reduction, it was found that moisture content was a critical factor and 64% water in the medium was found to be the optimum moisture content for both enzyme production and phytic acid content reduction.
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7

Al-Asheh, Sameer. "Production of phytase and reduction of phytic acid content in canola meal by solid state fermentation using Aspergillus carbonarius." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/7578.

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Solid state fermentation (SSF) with canola meal as substrate was carried out to study the production of phytase and the reduction of the phytic acid content in the meal using Aspergillus carbonarius NRC 401124. Some characteristics of the phytase were studied. $K\sb{\rm m}$ and $\nu\sb{max}$ values of 0.345 mM and 0.8071 units were determined when sodium phytate was used as the substrate for this enzyme. The enzyme showed an optimum pH and temperature of 4.7 and 53$\sp\circ$C respectively. It was found that the production of phytase was growth associated and that the maximum activity was attai
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8

Contreras, Tobar Edith Andrea. "Evaluación productiva de una fitasa de origen microbiano (Ronozyme ® Phytase) en dietas de pollos Broiler." Tesis, Universidad de Chile, 2001. http://repositorio.uchile.cl/handle/2250/132085.

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Memoria para optar al Título Profesional de Médico Veterinario<br>Se investigó el efecto de la incorporación de una fitasa comercial de origen microbiano (Ronozyme® Phytase) en dietas de pollos broiler. Se evaluó el comportamiento productivo de las aves mediante un experimento de 43 días de duración en que se utilizaron seis mil pollos broiler Ross 308 de 1 día de edad, 50% machos y 50% hembras. El experimento consistió en 4 tratamientos: 1) Dieta control sin adición de fitasa; 2) Dieta control mas fitasa (750 FTU de fitasa/kg de dieta) en reemplazo de un 0,1% del fósforo total proveniente de
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9

Misrahi, Audrey. "Transformation de végétaux par fermentation en milieu solide pour la production d'outils enzymatiques et de biomasse valorisée : application au couple "grain de maïs/Fusarium venenatum".Invertigations pour la production de phytases et de polysaccharidases." Université Louis Pasteur (Strasbourg) (1971-2008), 2007. http://www.theses.fr/2007STR13247.

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Un procédé de fermentation en milieu solide a été défini puis mis en place ; il met en œuvre le grain de maïs et le champignon Fusarium venenatum. Deux outils sont également développés : un dispositif de culture statique à petite échelle permettant des expériences répétables et des anticorps anti-Fusarium pour assurer un suivi hors ligne spécifique de la croissance du champignon. Le couple F. Venenatum/maïs grain est évalué pour la production de polysaccharidases (glucoamylases, xylanases, cellulases, pectinases) et de phytases. Le couple est retenu comme source d’un cocktail de polysaccharida
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10

Wu, Pei-Hua, and 吳佩樺. "Production of Escherichia coli phytase by recombinant Pichia pastoris." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/38609423050340225335.

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碩士<br>國立臺灣大學<br>農業化學研究所<br>88<br>Phytase, a valued feed additive for monogastric animals, has been used to hydrolyze phytic acid in feeds and to reduce the antinutrient ability of phytic acid. It also helps the release of phosphorous from phytic acid to increase phosphorous digestibility. In this study, the production of Escherichia coli phytase in recombinant Pichia pastoris KM 71-61 was investigated and the biochemical characteristics of said phytase were presented. By adding 0.5% methanol every 24 h during the stationary phase in the flask cultures, the phytase activity reached up to 150
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