全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:... Bruna Curry Carneiro , Pedro Carlos de Oliveira , Heizir Ferreira De Castro
来源:[J].Acta Scientiarum: Technology(IF 0.319), 2013, Vol.35 (3), pp.491-497DOAJ
摘要:Different strategies to avoid the lipid feedstock oxidation in the enzymatic synthesis of monoglycerides (MAG) from glycerolysis of babassu oil were tested. The reactions were catalyzed by Burkholderia cepacia lipase immobilized on SiO2-PVA and the tests carried out in...
作者:... Gisanara Dors , Agenor Furigo Junior , Heizir Ferreira de Castro
来源:[J].Acta Scientiarum: Technology(IF 0.319), 2011, Vol.33 (2), pp.197-203DOAJ
摘要:O presente trabalho teve como objetivo determinar as condições otimizadas da síntese enzimática de biodiesel, a partir do óleo de palma e etanol, empregando diferentes lipases imobilizadas (lipase de Pseudomonas fluorescens imobilizada em SiO2-PVA e lipase de...
作者:Heizir Ferreira de Castro , Ernandes Benedito Pereira
来源:[J].Química Nova(IF 0.737), 2005, Vol.28 (2), pp.296-305DOAJ
摘要:The process of anaerobic digestion has been greatly developed during the last decades for the treatment of wastewater from food industries as for example, wastewaters from sugar and starch manufacturing and from breweries. However, for wastewaters which c...
作者:... Eduardo João Agnes , Heizir Ferreira de Castro , Ernandes Benedito Pereira
来源:[J].Acta Scientiarum: Technology(IF 0.319), 2009, Vol.32 (1), pp.15-19DOAJ
摘要:A hidrólise enzimática de óleos e gorduras ou lipólise é um processo tecnológico que permite a obtenção de ácidos graxos com alto valor agregado e baixo consumo energético. Lipases são enzimas de origem vegetal, animal ou microbiana, que catalisam a hidrólise total...
作者:... Ernandes Benedito Pereira , Agenor Furigo Jr. , Heizir Ferreira de Castro
来源:[J].Brazilian Archives of Biology and Technology(IF 0.473), 2010, Vol.53 (6), pp.1279-1284DOAJ
摘要:Lipids-rich wastewater was partial hydrolyzed with porcine pancreas lipase and the efficiency of the enzymatic pretreatment was verified by the comparative biodegradability tests (crude and treated wastewater). Alternatively, simultaneous run was carried out in which hydroly...
作者:... Ariela Veloso de Paula , Heizir Ferreira de Castro , Júlio César dos Santos
来源:[J].Química Nova(IF 0.737), 2010, Vol.33 (2), pp.431-437DOAJ
摘要:Recent advances for improving physicochemical and nutritional properties of lipids are reviewed, with emphasis on products attaining by biochemical processing of natural fats and oils. Enzymatic interesterification provides an important route to modify ph...
作者:... Gizelda Maria Alves , Heizir Ferreira de Castro , Lucia Helena Innocentini Mei
来源:[J].Química Nova(IF 0.737), 2000, Vol.23 (5), pp.632-636DOAJ
摘要:This work investigates the reaction parameters of an immobilized lipase in the esterification reaction of n-butanol and butyric acid. Microbial lipase from Candida rugosa was immobilized onto styrene-divinylbenzene copolymer (STY-DVB) and subsequently int...
作者:Laura Maria Bruno , José Luiz de Lima Filho , Heizir Ferreira de Castro
来源:[J].Brazilian Archives of Biology and Technology(IF 0.473), 2008, Vol.51 (5), pp.889-896DOAJ
摘要:Microbial lipase from Mucor miehei and Candida rugosa were immobilized by covalent binding onto magnetized polysiloxane polyvinyl alcohol particles (POS-PVA). The resulting immobilized derivatives were evaluated in aqueous solution (olive oil hydrolysis) and organic solvent ...
作者:... Cleide Mara Farias Soares , Maria Lucia Caetano Pinto da Silva , Heizir Ferreira de Castro
来源:[J].Acta Scientiarum: Technology(IF 0.319), 2006, Vol.28 (2), pp.133-140DOAJ
摘要:No presente trabalho, diferentes procedimentos de imobilização foram avaliados: adição direta da lipase em fosfato de zircônio (ZrP) e adição simultânea de lipase e agente estabilizante (polietilenoglicol, MM-1500) no mesmo suporte. A seleção desse aditivo foi base...
作者:Adriano Aguiar Mendes , Heizir Ferreira de Castro
来源:[J].Brazilian Archives of Biology and Technology(IF 0.473), 2005, Vol.48 (spe), pp.135-142DOAJ
摘要:The objective of this work was to evaluate the replacement of Gum Arabic for sodium chloride to reduce fat and organic contents in dairy wastewater using two low cost commercially available lipase preparations from animal source (Kin Master - LKM and Nuclear- LNU). The best ...

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