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Registros recuperados: 17
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Characterization of chestnut (Castanea sativa, mill) starch for industrial utilization BABT
Demiate,Ivo Mottin; Oetterer,Marília; Wosiacki,Gilvan.
Studies were conducted to characterize the chestnut and its starch. Chemical composition of the chestnuts showed high level of starch. Moisture level in the raw nuts was around 50g/100g in wet basis and starch content, around 80g/100g in dry basis; other nut flour components were protein (5.58 g/100g), lipid (5.39 g/100g), crude fiber (2.34 g/100g) and ash (2.14 g/100g). Starch fraction was chemically characterized in order to identify the granule quality as compared with those of cassava and corn. This fraction showed more lipids and proteins than the other starches. Chestnut starch granules showed peculiar shape, smaller than the control starches and low amount of damaged units. Chemical composition concerning amylose : amylopectin ratio was intermediate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Castanea sativa; Starch; Granules; Pastes; Sweet Chestnut; Cassava.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132001000100010
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Use of fish waste as silage: a review BABT
Arruda,Lia Ferraz de; Borghesi,Ricardo; Oetterer,Marília.
The use of fish silage as a substitute for protein ingredients in rations for aquatic organisms is an alternative to solve sanitary and environmental problems caused by the lack of adequate disposition for the waste from the fish industry. Besides, it is also a way of decreasing feeding costs, and, consequently, fish production costs, since feeding corresponds to about 60% of the overall expenses with production. The objective of this review was to discuss the use of fish waste, the elaboration of chemical silage and the use of this ingredient in feed for aquaculture.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish waste; Chemical silage; Feed for aquaculture.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000500016
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Seafood as functional food BABT
Soccol,Marcilene C. Heidmann; Oetterer,Marília.
Functional food presents specific physiological properties, supplies nutrients and can be naturally found in formulated food or added to it. Seafood plays an important role in human diet, representing the largest stock available of w-3 polyunsaturated fatty acids, especially eicosapentaenoic (EPA) and docosahexaenoic (DHA). Scientific researchers have intensified their studies on fatty acids due to their importance in preventing and/or curing diseases, especially cardiovascular and inflammatory ones. This review describes the most important aspects of w-3 fatty acids found in fish, as well as their roles in the mechanism involved in the prevention and control of diseases.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish; Seafood; Polyunsaturated fatty acids; W-3 fatty acids; Functional foods.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000300016
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Use of modified atmosphere in seafood preservation BABT
Soccol,Marcilene C. Heidmann; Oetterer,Marília.
Fish production has increased in Brazil, mainly the fresh-water aquaculture. However, refrigerated fish presents a relatively short shelf-life (approximately 12 days). In view of the increasing demand for fresh products, there is the need of shelf-life lengthening through a combination of methods in order to minimally expose the product to adverse conditions. The use of the modified atmosphere packaging presents the following advantages: lengthening of the products' shelf-life by 50 to 400%, reduction of economic losses, cost reductions by distributing the product over great distances with the need of fewer shipments and the supply of a better quality product. The purpose of this work was to review and discuss the major effects of the modified-atmosphere...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Seafood; Freshwater fish; Aquaculture; Modified atmosphere; Vacuum packaging; Shelf-life.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000400011
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Fish silage in black bass (Micropterus Salmoides) feed as an alternative to fish meal BABT
Arruda,Lia Ferraz de; Borghesi,Ricardo; Portz,Leandro; Cyrino,José Eurico Possebon; Oetterer,Marília.
The objective of this study was to use the residues of fermented sardine to elaborate the acid fish silage and its use in feed for aquaculture. Biological assay was performed by feeding largemouth bass (Micropterus salmoides) fingerlings (initial weight 22g), with extruded diets (41% crude protein; 3,600 kcal/kg digestible energy) containing 0.0, 7.5, 10.0, 12.5, or 15.0% of fish silage in partial substitution to the fish meal. The feed conversion ratio and weight gain for the treatments were: 1.26 and 15.76g; 1.11 and 17.07g; 1.19 and 17.81g; 1.18 and 19.83g; 1.47 and 14.64g, respectively. No significant differences (P<0.05) were detected among the treatments. Results indicated that it was possible to use up to 15% of acid fish silage as partial...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Residue; Carnivorous fish; Protein; Fish nutrition.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500025
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Use of smoking to add value to the salmoned trout BABT
Salán,Eduardo Oliveira; Galvão,Juliana Antunes; Oetterer,Marília.
The objective of this study was to make a comparison between the characteristics of salmoned trout (Salmo truta) and salmon (Salmo salar) in terms of coloration (CIE L*a*b*), proximate composition, pH and sensory attributes of fresh and smoked fillets in order to obtain a possible alternative for the substitution of imported salmon for Brazilian salmoned trout as a commercial equivalent for retail sales. Results showed that no statistical difference was found for most of the sensory attributes analyzed and for pH. Although the coloration of the fillets presented a statistical difference, the trout presented a more intense coloration than the salmon, proving to be, therefore, convenient to agroindustry.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish conservation; Salmoned trout; Salmo salar; Agroindustry.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000100007
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Ionizing radiation effects on food vitamins: a review BABT
Dionísio,Ana Paula; Gomes,Renata Takassugui; Oetterer,Marília.
Ionizing radiation has been widely used in industrial processes, especially in the sterilization of medicals, pharmaceuticals, cosmetic products, and in food processing. Similar to other techniques of food processing, irradiation can induce certain alterations that can modify both the chemical composition and the nutritional value of foods. These changes depend on the food composition, the irradiation dose and factors such as temperature and presence or absence of oxygen in the irradiating environment. The sensitivity of vitamins to radiation is unpredictable and food vitamin losses during the irradiation are often substantial. The aim of this study was to discuss retention or loss of vitamins in several food products submitted to an irradiation process.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Irradiation; Vitamins; Foods.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500026
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Características físico-químicas e microbiológicas (Staphylococcus aureus e Bacillus cereus) da água e dos mexilhões cultivados na região de Ubatuba, SP Ciência e Agrotecnologia
Galvão,Juliana Antunes; Furlan,Érika Fabiane; Salán,Eduardo de O.; Porto,Ernani; Oetterer,Marília.
Para efetivar o processamento dos mexilhões, o monitoramento da qualidade da matéria-prima compõe as exigências de qualidade para comercialização do produto. Objetivou-se com esta pesquisa diagnosticar parâmetros físico químicos e a incidência de S. aureus e B. cereus tanto na água de cultivo como no mexilhão. Na água do mar foram analisados pH e turbidez. Nos mexilhões, foram avaliados o pH e foi feito o exame biométrico das valvas. Foram realizadas análises de S. aureus e B. cereus tanto na água quanto nos mexilhões. O valor médio do pH da água, dos respectivos pontos de coleta estudados, variou de 8,23 a 8,65, estando os dados encontrados nesta pesquisa de acordo com a legislação (Brasil, 2001). Para a turbidez, a média geral das coletas ficou em torno...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Maricultura; Água de cultivo; Segurança alimentar; Mexilhões; Ambiente.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542006000600013
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Relationship between the price of fish and its quality attributes: a study within a community at the University of São Paulo, Brazil Ciênc. Tecnol. Aliment.
Maciel,Erika Da Silva; Savay-da-Silva,Luciana Kimie; Vasconcelos,Julia Santos; Sonati,Jaqueline Girnos; Galvão,Juliana Antunes; Lima,Leandro Kanamaru Franco De; Oetterer,Marília.
The aim of this study was to evaluate the associations between the products' market price and attributes related to fish purchase and consumption within a university community in Brazil. A structured questionnaire consisting of a five-point Likert scale was used. It was previously tested and made available to the university community via the Internet. The sample comprised 1966 voluntaries including university students and faculty and staff members. A descriptive analysis of data was performed using Spearman's correlation analysis. The results showed that the majority of the respondents (56%) consume fish at home; some consume fish at restaurants (39%), and 5% at family or friends' houses, reinforcing the idea that variables such as culture and reference...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Consumer; Preference; Fish; Quality.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612013000300010
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Quality of mussels cultivated and commercialized in Ubatuba, SP, Brazil: monitoration Bacillus cereus and Staphylococcus aureus growth after post-harvest processing Ciênc. Tecnol. Aliment.
Salán,Eduardo Oliveira; Galvão,Juliana Antunes; Furlan,Érika Fabiane; Porto,Ernani; Gallo,Cláudio Rosa; Oetterer,Marília.
Aiming at improving the quality of Perna perna mussels cultivated and commercialized in Ubatuba, SP, Brazil, the growth and elimination of Staphylococcus aureus and Bacillus cereus artificially inoculated in mussels were studied. The inoculation was carried out in "in natura" and pre-cooked mussels for 30 min, and after that the mussels were kept for 10 hours at room temperature (25 ± 1 °C) and under refrigeration (7 ± 1 °C). Six thermal treatments were evaluated: three using steam (5, 10 and 15 minutes) and three in boiling water (5, 10 and 15 minutes), in order to find the best time/temperature binomial to provide pathogenic control. Yield and physical-chemical and sensory characteristics were evaluated. All thermal treatments were efficient to eliminate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Microorganisms; Mussel farming; Processing.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612008000100022
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Application of exploratory factor analysis to assess fish consumption in a university community Ciênc. Tecnol. Aliment.
Maciel,Erika da Silva; Savay-da-Silva,Luciana Kimie; Vasconcelos,Júlia Santos; Galvão,Juliana Antunes; Sonati,Jaqueline Girnos; Silva,Dirceu da; Oetterer,Marília.
The objective of this research was to use the technique of Exploratory Factor Analysis (EFA) for the adequacy of a tool for the assessment of fish consumption and the characteristics involved in this process. Data were collected during a campaign to encourage fish consumption in Brazil with the voluntarily participation of members of a university community. An assessment instrument consisting of multiple-choice questions and a five-point Likert scale was designed and used to measure the importance of certain attributes that influence the choice and consumption of fish. This study sample was composed of of 224 individuals, the majority were women (65.6%). With regard to the frequency of fish consumption, 37.67% of the volunteers interviewed said they...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish consumption; Quality of life; Questionnaire; Exploratory factor analysis.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612013000100015
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Nutritional aspects of nile tilapia (Oreochromis niloticus) silage Ciênc. Tecnol. Aliment.
Arruda,Lia Ferraz de; Borghesi,Ricardo; Brum,Aelson; D'Arce,Marisa Regitano; Oetterer,Marília.
One third of the world's fishing produce is not directly used for human consumption. Instead, it is used for making animal food or is wasted as residue. It would be ideal to use the raw material thoroughly and to recover by-products, preventing the generation of residues. With the objectives of increasing the income and the production of the industry, as well as minimizing environmental and health problems from fish residue, chemical silage from Tilapia (Oreochromis niloticus) processing residues was developed after homogenization and acidification of the biomass with 3% formic acid: propionic, 1:1, addition of antioxidant BHT and maintenance of pH at approximately 4.0. Analyses to determine the moisture, protein, lipids and ash were carried out. The amino...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amino acids; Fish residue; By-products.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612006000400006
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Estabilidade físico-química e mercado do mexilhão (Perna perna) cultivado em Ubatuba - SP Ciênc. Tecnol. Aliment.
Furlan,Érika Fabiane; Galvão,Juliana Antunes; Salán,Eduardo Oliveira; Yokoyama,Viviane Angeli; Oetterer,Marília.
O presente estudo objetivou caracterizar o mexilhão Perna perna como alimento no que se refere à estabilidade físico-química, valor nutricional e consumo. Os mexilhões avaliados foram coletados em três regiões distintas do litoral norte de São Paulo: praia da Barra Seca, praia do Engenho da Almada e costão do Cedro. Determinou-se a composição centesimal (umidade, proteína bruta, carboidrato, lipídios e cinza), o valor calórico, o pH e as bases voláteis nitrogenadas totais. Paralelamente foi realizado estudo de mercado, através de questionários não estruturados, aplicados aos comerciantes e consumidores locais. Detectou-se variação dos constituintes químicos dos mexilhões em função da sazonalidade, bem como, do local de origem destes. Estes constituem uma...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Frescor; Composição centesimal; Consumo.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612007000300015
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Shelf life of minimally processed carrot and green pepper Ciênc. Tecnol. Aliment.
Pilon,Lucimeire; Oetterer,Marília; Gallo,Cláudio R.; Spoto,Marta H. F..
The postharvest losses of horticultural products justify the use of preservation techniques. The processing not only adds value to the products, but also makes the products more convenient to the consumers. The objective of this research was to define the methodologies for the minimal processing of carrot and green pepper as to the type and intensity of the adoption of conservation techniques, and to monitor the products after processing through microbiological, physicochemical and nutritional analysis. The vegetables were washed and they were immersed in cold (7ºC) water with 100 mg L-1 free chlorine for sanitation, followed by centrifugation for 5 min. The product was put into BOPP/LDPE (biaxially orientated polypropylene/low-density polyethylene)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vegetable; Minimal processing; Modified atmosphere; Vacuum packaging; Refrigeration.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612006000100025
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Designing and validating the methodology for the Internet assessment of fish consumption at a university setting Ciênc. Tecnol. Aliment.
Maciel,Erika da Silva; Vasconcelos,Julia Santos; Silva,Luciana Kimie Savay da; Sonati,Jaqueline Girnos; Galvão,Juliana; Silva,Dirceu da; Oetterer,Marília.
Assessing fish consumption is complex and involves several factors; however, the use of questionnaires in surveys and the use of the Internet as tool to collect data have been considered promising approaches. Therefore, the objective of this research was to design a data collection technique using a questionnaire to assess fish consumption by making it available on a specific home page on the Internet. A bibliographical survey or review was carried out to identify the features of the instrument, and therefore pre-tests were conducted with previous instruments, followed by the Focus Group technique. Specialists then performed an analysis and conducted an online pre-test. Multivariate data analysis was applied using the SmartPLS software. The results...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish consumption; Structural equation modeling; Internet; Questionnaire.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612014000200015
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Shelf life and sensory assessment of tilapia quenelle during frozen storage PAB
Angelini,Maria Fernanda Calil; Galvão,Juliana Antunes; Vieira,Amanda de Freitas; Savay-da-Silva,Luciana Kimie; Shirahigue,Ligianne Din; Cabral,Ingridy Simone Ribeiro; Modesta,Regina Célia Della; Gallo,Cláudio Rosa; Oetterer,Marília.
The objective of this work was to evaluate the shelf life and sensory attributes of tilapia quenelle. Treatments consisted of two types of packages - polyethylene zipper (retort pouch) (QA) and polyethylene waxed paper box (QB) - stored at -18ºC for 120 days. Tilapia quenelle was stable for all parameters established by Brazilian legislation. Average values of the evaluated attributes in different packages, during storage, showed no significant difference, except for the "refrigeration" flavor. However, during the storage period, there were significant differences for sensory attributes, as "moist appearance", fish and product aroma, and off flavors of "mud" and "refrigeration". Preserving product quality as for its sensory attributes, during storage,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Convenience products; Fast food; Fish; Mechanically separated meat; Minced fish.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013000800041
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Monitoring the sardine (Sardinella brasiliensis) fermentation process to obtain anchovies Scientia Agricola
Oetterer,Marília; Perujo,Sérgio Daniel; Gallo,Cláudio Rosa; Arruda,Lia Ferraz de; Borghesi,Ricardo; Cruz,Ana Maria Paschoal da.
Anchovies are traditional fish preserves, prepared from fermented fish of the engraulidae family, mainly in European countries. In Brazil, sardines (Sardinella brasiliensis) are an alternative fish for preparing these types of preserves, provided that the preservation process results in a high quality product. In this research, sardines were prepared for preservation and physicochemical, microbiological and sensory analyses were carried out during the preservation process. Whole or eviscerated sardines, with or without condiments/preservatives and with 20% of salt (w/w) were used. Sardines were analyzed fresh, and at 1, 15, 30, 45 and 60 days along the preservation process. The use of whole sardines, with or without condiments/preservatives, presented best...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Seafood; Fermented fish; Cured process.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000300015
Registros recuperados: 17
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