-
-
Pinto, Luiz Antonio de Almeida; Picci, Jeferson Steffanello; Dotto, Guilherme Luiz
(Abeq, 2011)
Chitosan is a natural polymer that has been employed in dye adsorption. In this work, adsorption and thermodynamic data for the interaction of FD&C Red n° 40 food dye with chitosan in aqueous solutions were investigated. ...
-
-
Dotto, Guilherme Luiz; Pinto, Luiz Antonio de Almeida
(Elsevier, 2011)
Adsorption of food dyes acid blue 9 and food yellow 3 onto chitosan was optimized. Chitosan was obtained from shrimp wastes and characterized.Afull factorial design was used to analyze the effects of pH, stirring rate and ...
-
-
Dotto, Guilherme Luiz; Pinto, Luiz Antonio de Almeida
(2012)
In this research, the mass transfer kinetics for the biosorption of synthetic dyes (acid blue 9 and FD&C red no. 40) by Spirulina platensis nanoparticles was analyzed under different experimental conditions. The external ...
-
-
Dotto, Guilherme Luiz; Moura, Jaqueline Motta de; Cadaval Junior, Tito Roberto Sant'Anna; Pinto, Luiz Antonio de Almeida
(Elsevier, 2013)
Chitosan films were applied to remove acid red 18 and FD&C blue no. 2 dyes from aqueous solutions. The films were prepared by casting technique and characterized. Batch adsorption equilibrium experiments were carried out ...
-
-
Queiroz, Maria Isabel; Lopes, Eduardo Jacob; Zepka, Leila Queiroz; Mitterer, Marina Leite; Goldbeck, Rosana; Pinto, Luiz Antonio de Almeida; Treptow, Rosa de Oliveira
(FURG, 2005)
O processamento térmico é considerado um dos mais importantes métodos de preservação de alimentos. A secagem pode ser descrita como um método de preservação em que a umidade e a atividade de água são reduzidas, minimizando ...
-
-
Coelho, Karen Dias; Pinto, Luiz Antonio de Almeida
(EDGRAF, 2011)
O trabalho teve como objetivo a caracterização da cinética de secagem do tomate (Lycopersicon
esculentum Mill) em camada delgada, e a determinação da reidratação e do teor de licopeno do
produto final. O estudo foi ...
-
-
Crexi, Valéria Terra; Soares, Leonor Almeida de Souza; Pinto, Luiz Antonio de Almeida
(Wiley Online Library, 2009)
Fish oil is an important source of long-chain ω-3 polyunsaturated fatty acid. The common carp (Cyprinus carp) is a major fish species in world aquaculture production. This study aimed towards obtaining carp viscera oil by ...
-
-
Lopes, Eduardo Jacob; Zepka, Leila Queiroz; Pinto, Luiz Antonio de Almeida; Queiroz, Maria Isabel
(2007)
This study was undertaken to investigate the dehydration characteristics of the cyanobacterium Aphanothece microscopica Nägeli in a convective hot-air dryer. The dehydration characteristics of the biomass were examined at ...
-
-
Costa, Bruna Roos; Silva, Roberto de Souza Gomes da; Machado Júnior, Francisco Roberto de Assis; Coelho, Karen Dias; Pinto, Luiz Antonio de Almeida
(FURG, 2010)
The aim of this work was to study the convective drying of Fuji apple (Mallus percicae) in thin layer and to evaluate the characteristics of the dried product. The air flow was perpendicular through the samples with air ...
-
-
Oliveira, Elisangela Gonçalves de; Rosa, Gabriela Silveira da; Moraes, Mariana Agostini de; Pinto, Luiz Antonio de Almeida
(Elsevier, 2009)
Spirulina is the most extensively used microalgae for animal and human nutrition mostly because of its high protein content, 60–65% on a dry weight basis. The drying is the most expensive operation. The aim of the study ...
-
-
Esquerdo, Vanessa Mendonça; Cadaval Junior, Tito Roberto Sant'Anna; Dotto, Guilherme Luiz; Pinto, Luiz Antonio de Almeida
(Elsevier, 2014)
Hypothesis: The dye adsorption with chitosan is considered an eco-friendly alternative technology in relation to the existing water treatment technologies. However, the application of chitosan for dyes removal is limited, ...
-
-
Cardoso, Natali Farias; Lima, Eder Claudio; Royer, Betina; Bach, Marta; Dotto, Guilherme Luiz; Pinto, Luiz Antonio de Almeida; Calvete, Tatiana
(2012)
Spirulina platensis microalgae (SP) and commercial activated carbon (AC) were compared as adsorbents to remove Reactive Red 120 (RR-120) textile dye from aqueous effluents. The batch adsorption system was evaluated in ...
-
-
Brito, Kelly de Moraes; Pinto, Luiz Antonio de Almeida
(2013)
O objetivo do trabalho foi analisar as condições da secagem convectiva de uma pasta de anchoita (Engraulis anchoita) modificada enzimaticamente, através da metodologia
de superfícies de resposta, sendo as respostas ...
-
-
Crexi, Valéria Terra; Grunennvaldt, Fernanda Lourdes; Soares, Leonor Almeida de Souza; Pinto, Luiz Antonio de Almeida
(Elsevier, 2009)
Fish oil is the major food source of the long-chain omega-3 polyunsaturated fatty acids. Deodorisation represents a critical step of the refining process since it involves high temperature that could induce degradation ...
-
-
Brito, Kelly de Moraes; Pinto, Luiz Antonio de Almeida
(Elsevier, 2012)
The thermodynamic properties of anchovy fillets and enzymatic modified pastes in two hydrolysis degrees (3% HD and 14% HD), at 50, 60 and 70 C were evaluated. The GAB model was used to calculate the values of the monolayer ...
-
-
Dotto, Guilherme Luiz; Buriol, Celene; Pinto, Luiz Antonio de Almeida
(Elsevier, 2014)
The adsorption kinetics of erythrosine B and indigo carmine on chitosan films was studied by a diffusional mass transfer model. The experimental curves were obtained in batch system under different conditions of stirring ...
-
-
Batista, Lucia de Moraes; Rosa, Cezar Augusto da; Pinto, Luiz Antonio de Almeida
(Elsevier, 2007)
In the thin layer drying of chitosan, a diffusive model considering the material volume change was used, due to the occurrence of shrinkage during the operation. The samples were placed in a rectangular tray with 4 mm of ...
-
-
Brito, Kelly de Moraes; Pinto, Luiz Antonio de Almeida
(De Gruyter, 2013)
The aim of this work was to study the convective drying of anchovy (Engraulis anchoita) fillets and to evaluate the final product characteristics through its biochemical
and functional properties. The drying temperatures ...
-
-
Silva, Roberto de Souza Gomes da; Bandeira, Sidney Fernandes; Petry, Fabiane Cristina; Pinto, Luiz Antonio de Almeida
(2011)
Gelatin properties of fish skin are different from mammals gelatins, however literature on gelatin from fish bones is limited. The aim of this study was to evaluate the effect of the bone particle size of common carp ...
-
-
Massaro, André; Pinto, Luiz Antonio de Almeida
(2002)
O referido trabalho teve como objetivo promover o enriquecimento protéico do Farelo de Arroz Desengordurado (FAD), na forma de Pellets, pelo recobrimento e adsorção de sangue bovino, em leito de jorro, obtendo um produto ...