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Proximate Composition of Packaged Freeze Dried Cheeses in Storage CIGR Journal
Paul, Tosin; Adejumo, Bolanle A.; Nwakuba, Nnaemeka R.; Ehiem, James C..
The proximate composition of packaged freeze dried cow milk cheese and soy cheese in storage were investigated. Fresh cow milk cheese and soy milk cheese of 600g each was prepared and cut into sizes of 3x3cm dimension and a thickness of 0.3cm. 100g each of the fresh cheese samples was used to determine the initial propertieswhile the remaining 500g were freeze dried. The initial properties of the freeze dried samples were determined using a portion of each of the samples. A randomized experimental block design was adopted.  The freeze dried samples were packaged in sterile tightly covered glass jar, sterile tightly covered plastic container and a sterile polythene film while the unpackaged sample was used as the control sample. The samples were stored at...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cheese; Freeze drying; Proximate composition; Packaging materials; Storage duration; Milk; Nigeria.
Ano: 2021 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6503
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Occurrence of toxigenic Escherichia coli in raw milk cheese in Brazil Arq. Bras. Med. Vet. Zootec.
Paneto,B.R.; Schocken-Iturrino,R.P.; Macedo,C.; Santo,E.; Marin,J.M..
The occurrence of toxigenic Escherichia coli in raw milk cheese was surveyed in Middle Western Brazil. Fifty samples of cheese from different supermarkets were analyzed for E.coli. The isolates were serotyped and screened for the presence of verotoxigenic E. coli (VTEC) and enterotoxigenic E. coli (ETEC) by Polymerase Chain Reaction (PCR). The susceptibility to thirteen antimicrobial agents was evaluated by the disk diffusion method. E.coli were recovered from 48 (96.0%) of the samples. The serogroups identified were O125 (6.0%), O111 (4.0%), O55 (2.0%) and O119 (2.0%). Three (6.0%) and 1(2.0%) of the E.coli isolates were VTEC and ETEC, respectively. Most frequent resistance was observed to the following antimicrobials: cephalothin (60.0%), nalidixic acid...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Escherichia coli; Cheese; VTEC; ETEC; Antimicrobial resistance.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352007000200035
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Effect of calcium addition and pH on yield and texture of Minas cured cheese Arq. Bras. Med. Vet. Zootec.
Santos,B.N.C.; Silva,C.C.C V.; Domingues,J.R.; Cortez,M.A.S.; Freitas,D.D.G.C.; Chiappini,C.C.J.; Araújo,K.G.L..
Milk calcium concentration is a factor related to cheese texture, an important rheological property of cheese quality as perceived by consumers. This study aimed to evaluate the effect of different pH conditions (5.8 and 6.6) and calcium addition (0, 150, 300 ppm of CaCl2), on yield and nutrient retention of the clots obtained and on the texture of Minascured cheese. Clots were analyzed for wet and dry yield, percentage content and retention of protein, fat and calcium. The texture of the cheese was evaluated by instrumental and sensorial tests. No differences were observed on the wet and dry yields, or on the protein content, fat and calcium retention of clots produced in the different experimental conditions. The instrumental evaluation showed that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cheese; PH; Calcium; Clotting; Texture.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352013000200042
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Application of an Enzymatic Extract from Aspergillus niger as Coagulant for Cheddar Cheese Manufacture BABT
Lombardi,Julia; Ciocia,Felicia; Uniacke-Lowe,Thérèse; Boeris,Valeria; Risso,Patricia; McSweeney,Paul L. H..
Abstract The coagulation of milk by a serin protease from Aspergillus niger NRRL3 was studied by rheology. Cheddar-type cheese was manufactured using 3.5% (v/v) of fungal enzymatic extract and fermentation-produced chymosin was used as control coagulant. Full composition and ripening of both kinds of Cheddar cheese were studied. Differences in the proteolysis of caseins, not only during cheese manufacture but also during ripening, affected cheese composition, texture and peptide profile. Microbial development during ripening was not affected by the coagulant used.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Microbial coagulant; Cheese; Biochemistry during ripening.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100509
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Inhibition of listeria monocytogenes in minas frescal cheese by free and nanovesicle-encapsulated nisin BJM
Malheiros,Patrícia da Silva; Daroit,Daniel Joner; Brandelli,Adriano.
The effectiveness of free and nanovesicle-encapsulated nisin to control Listeria monocytogenes in Minas Frescal cheese was investigated. Commercial nisin was encapsulated into liposomes of partially purified soy lecithin. Free (0.1 mg/mL and 0.25 mg/mL) and nanovesicle-encapsulated nisin (0.25 mg/mL) were applied onto the surface of cheese samples, and L. monocytogenes was inoculated before incubation at 6-8°C for 28 days. A bactericidal effect was observed with 0.25 mg/mL free nisin; a bacteriostatic effect was observed for liposome-encapsulated nisin and 0.1 mg/mL free nisin. Free nisin was more efficient than nisin-loaded liposomes in controlling L. monocytogenes. Possible reasons for this behavior, and also the significance of nisin to soft cheeses are...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nisin; Liposome; Encapsulation; Cheese; Listeria monocytogenes.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000400024
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Effect of pH and salt gradient on the autolysis of Lactococcus lactis strains BJM
Ramírez-Nuñez,Jennifer; Romero-Medrano,Ruth; Nevárez-Moorillón,Guadalupe V.; Gutiérrez-Méndez,Néstor.
The aim of this work was to assess in-vitro the effect of pH and salt concentration on the rate of autolysis in L. lactis strains. Regardless autolysis variation among L. lactis strains, statistical analysis showed evidence of increase of autolysis in L. lactis under low salt concentration and acidic conditions.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Autolysis; Lactococcus; Flavor; Cheese.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000400036
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Control of Listeria monocytogenes growth in soft cheeses by bacteriophage P100 BJM
Silva,Elaine Nóbrega Gibson; Figueiredo,Ana Cláudia Leite; Miranda,Fernanda Araújo; Almeida,Rogeria Comastri de Castro.
The purpose of this study was to determine the effect of bacteriophage P100 on strains of Listeria monocytogenes in artificially inoculated soft cheeses. A mix of L. monocytogenes 1/2a and Scott A was inoculated in Minas Frescal and Coalho cheeses (approximately 10(5) cfu/g) with the bacteriophage added thereafter (8.3 x 10(7) PFU/g). Samples were analyzed immediately, and then stored at 10 ºC for seven days. At time zero, 30 min post-infection, the bacteriophage P100 reduced L. monocytogenes counts by 2.3 log units in Minas Frescal cheese and by 2.1 log units in Coalho cheese, compared to controls without bacteriophage. However, in samples stored under refrigeration for seven days, the bacteriophage P100 was only weakly antilisterial, with the lowest...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Food safety; Listeria; Biocontrol; Bacteriophage; Cheese.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000100003
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Detection of Brucella abortus DNA in illegal cheese from São Paulo and Minas Gerais and differentiation of B19 vaccinal strain by means of the polymerase chain reaction (PCR) BJM
Miyashiro,Simone; Scarcelli,Eliana; Piatti,Rosa M.; Campos,Fabíola R.; Vialta,Airton; Keid,Lara Borges; Dias,Ricardo Augusto; Genovez,Margareth E..
A total of 192 samples of illegal cheese from different regions of the states of São Paulo and Minas Gerais, Brazil, were analyzed for the isolation and detection of Brucella spp. DNA by means of microbiological culture and polymerase chain reaction (PCR), respectively. Samples that yielded positive results were submitted to the analysis of the occurrence of Brucella abortus (biovars 1, 2 e 4), as well as to the differentiation of DNA in B19 vaccinal strain or Brucella abortus field strain using PCR. Although the microorganism was not isolated from any sample, PCR detected 37 positive samples (19.27%) using genus-specific primers. From these, all (100%) were Brucella abortus. Differentiation of the strain showed that 30/37 samples (81.08%) were vaccinal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brucella abortus; B19; PCR; Cheese.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000100005
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Identification of the bacterial community responsible for traditional fermentation during sour cassava starch, cachaça and minas cheese production using culture-independent 16s rRNA gene sequence analysis BJM
Lacerda,Inayara C. A.; Gomes,Fátima C. O.; Borelli,Beatriz M.; Faria Jr,César L. L.; Franco,Gloria R.; Mourão,Marina M.; Morais,Paula B.; Rosa,Carlos A..
We used a cultivation-independent, clone library-based 16S rRNA gene sequence analysis to identify bacterial communities present during traditional fermentation in sour cassava starch, cachaça and cheese production in Brazil. Partial 16S rRNA gene clone sequences from sour cassava starch samples collected on day five of the fermentation process indicated that Leuconostoc citreum was the most prevalent species, representing 47.6% of the clones. After 27 days of fermentation, clones (GenBank accession numbers GQ999786 and GQ999788) related to unculturable bacteria were the most prevalent, representing 43.8% of the clones from the bacterial community analyzed. The clone represented by the sequence GQ999786 was the most prevalent at the end of the fermentation...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fermentation; Cassava; Cachaça; Cheese; Clone library.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000200029
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Molecular analysis of the iap gene of Listeria monocytogenes isolated from cheeses in Rio Grande do Sul, Brazil BJM
Mello,Jozi Fagundes de; Einsfeldt,Karen; Frazzon,Ana Paula Guedes; Costa,Marisa da; Frazzon,Jeverson.
The polymorphic region sequences in the iap gene were analyzed in 25 strains of Listeria monocytogenes isolated from cheeses in the state of Rio Grande do Sul, and compared with reference strains. This investigation distinguished two clusters of L. monocytogenes: I (20 strains) and II (5 strains).
Tipo: Info:eu-repo/semantics/article Palavras-chave: Listeria monocytogenes; Iap gene; Cheese; TN amino acids.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000100033
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Occurrence of aflatoxin M1 in parmesan cheese consumed in Minas Gerais, Brazil Ciência e Agrotecnologia
Prado,Guilherme; Oliveira,Marize Silva de; Lima,Adriana Souza; Moreira,Ana Paula Aprigio.
Aflatoxin M1 (AFM1) may occur in milk and milk products, resulting from the ingestion of aflatoxin B1 in feedstuffs by dairy cow. A total of 88 samples of Parmesan cheese marketed in Minas Gerais state, Brazil, from March 2004 to December 2004, were analyzed for AFM1 by high-performance liquid chromatography (HPLC) with a fluorescence detector following sample clean-up using immunoaffinity columns. AFM1 was detected in 40 of the 88 samples (46.4%). However, only two samples among these were contaminated at a level above the maximum permissible limit (250 ng kg-1) accepted by European Union for AFM1. No AFM1 maximum tolerance limit in cheese has been established in Brazil.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aflatoxin M1; Cheese; Occurrence.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542008000600033
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Feeding extruded linseed to dairy ewes under extensive grazing conditions Ciencia e Investigación Agraria
Vargas-Bello-Pérez,Einar; Vera,Raúl R; Aguilar,Claudio; Lira,Rodrigo; Peña,Iván; Tello,Franco. A.
The aim of this trial was to evaluate the effect of dietary supplementation of extruded linseed on the milk and cheese fatty acid (FA) profiles of ewes under extensive grazing conditions. Over 26 days, a group of nine lactating ewes (Latxa × Milchschaf × Corriedale) in mid-lactation were managed under grazing conditions and given supplements during each manual milking (0830 and 1800 h) of 50% corn and 50% oats (500 g ewe-1 milking-1; control, TC) for the first 6 days. From day 7 to 20, the supplement was 25% corn, 25% oats and 50% extruded linseed (500 g ewe-1 milking-1) (extruded linseed; TEL). From day 21 to 26, the ewes were fed TC. The saturated FA content in milk was reduced (3.6%), and the monounsaturated, polyunsaturated and n-3 FA (7, 10 and 25%,...
Tipo: Journal article Palavras-chave: Extruded linseed; N-3 fatty acids; Cheese; Ewe; Milk.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000100011
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Characterization of cheese consumers in Santiago Province, Chile Ciencia e Investigación Agraria
Vargas-Bello-Pérez,Einar; Aguilar,Claudio; Toro-Mujica,Paula; Vera,Raúl R; Cerda,Matías; Briones,Ignacio.
A high demand for Chilean cheese has resulted in increased cheese production. This increase represents an opportunity to promote the development of new markets, such as for small ruminant cheeses. However, little has been discussed regarding the extent to which cheese consumers consider small ruminant cheeses. We hypothesized that price is the main determining factor for purchasing cheese. The present study examined this previously unexplored aspect. The objective of this study was to identify the factors that contribute to the purchaser's response behavior, including purchase, usage and product possession. This study also aimed to provide preliminary information on cheese consumption in the Province of Santiago, Chile. A personal interview was conducted...
Tipo: Journal article Palavras-chave: Cheese; Consumption; Small ruminant.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300005
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Differentiation of sheep milk and cheese based on quality and composition Ciencia e Investigación Agraria
Vera,Raúl R; Aguilar,Claudio; Lira,Rodrigo.
Traditional sheep production for meat and wool for meat and wool among small and medium-sized Chilean farmers has low profitability. Therefore, there is interest in producing value-added, differentiated products. One alternative is the production of sheep milk and cheese. This arricie analyzes and discusses existing alternatives for modifying milk and cheese compositions with the aim of differentiating these products. Also, analytical techniques that allowthe chemical characterization of milk and cheese are briefly mentioned. The main international thrusts are focused on the modification of the content and composition of milk fatty acids and on the identification of volatile compounds, terpenes, polyphenols and other analytes that allow differentiation of...
Tipo: Journal article Palavras-chave: Cheese; Differentiation; Flavor; Milk composition sheep value-added.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000300001
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Texture of Chanco cheese: Projection of a sensory map based on multivariate analysis Ciencia e Investigación Agraria
Leiva,Javier; Figueroa,Heriberto.
The aim of the study is to evaluate, by using sensory methods, Chanco cheese texture by means of quantitative descriptive analysis to project a sensory map based on multivariate analysis. Samples of Chanco cheese (two different commercial brands) were used. Sensory evaluation was undertaken by a trained panel (n = 13), using quantitative descriptive analysis. The sensory profle includes the properties of springiness, hardness, friability, deformability, adhesiveness and cohesiveness. Sensory scales from one to seven were used to express the intensity perceived for each property. Based on the results, it was possible to observe the formation of a main group, comprising of cohesiveness, friability, springiness and adhesiveness. Other groupings were formed...
Tipo: Journal article Palavras-chave: Chanco cheese; Cheese; Sensory map; Sensory property; Texture.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202010000100008
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Room temperature aging to guarantee microbiological safety of Brazilian artisan Canastra cheese Ciênc. Tecnol. Aliment.
Dores,Milene Therezinha das; Nobrega,Juliana Escarião da; Ferreira,Célia Lucia de Luces Fortes.
Canastra cheese is one of the oldest and most traditional cheeses made from raw milk in Brazil. However, this type of practice may have severe consequences for human health. According to the current legislation, any cheese made from raw milk must be aged for at least 60 days. Traditionally, Canastra cheese is consumed after different ripening periods, but consumers usually prefer those that are aged less than eight days. This study aimed to evaluate the effects of physicochemical and microbiological parameters, with emphasis on the pathogenic microbiota regulated by law, on cheese aged at room temperature and under refrigeration. Cheese samples were collected from eight different cheese producers located in the Serra da Canastra region twice a year (rainy...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Food safety; Cheese; Raw milk; Staphylococcus aureus.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612013000100026
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Effect of pH at drainage on the physicochemical, textural and microstructural characteristics of mozzarella cheese from goat milk Ciênc. Tecnol. Aliment.
PAZ,Noelia Fernanda; GONÇALVEZ DE OLIVEIRA,Enzo; VILLALVA,Fernando Josué; ARMADA,Margarita; RAMÓN,Adriana Noemí.
Abstract The aim of this study was a contribution to standardazation the process of making mozzarella cheese from goat milk by draining at different pH values 5.0 (MC50), 5.3 (MC53) and 5.6 (MC56), so as to obtain a product with suitable physicochemical, microstructural and textural characteristics. MC50 had lower protein and calcium, with very few strands. MC53 had adequate moisture content, fat, protein and calcium. The cheese yield was higher, the hardness parameters were lower, and the microstructure revealed the presence of long, thin strands, giving it the distinctive texture for this type of cheese. MC56 curd did not reach a good stretching property, requiring longer exposure to heating to obtain the yarn. This resulted in lower retention of fat,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Goat milk; Mozzarella; Cheese; PH; Microstructure.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612017000200193
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Quality evaluation of parmesan-type cheese: a chemometric approach Ciênc. Tecnol. Aliment.
Jaster,Henrique; Campos,Anna Carolina Leonelli Pires de; Auer,Luciellen Bach; Los,Francine Gomes Basso; Salem,Renata Dinnies Santos; Esmerino,Luís Antônio; Nogueira,Alessandro; Demiate,Ivo Mottin.
Parmesan-type cheeses are the most consumed special cheeses in Brazil. It is generally sold in retail shops, either grated or in wedge-shaped pieces, and its quality varies considerably, which is reflected directly in its price. There is lack of processing standardization and, since the ripening period is fundamental for the quality of this hard, semi-fat cooked cheese, this stage seems to be the thin line between low and high quality products. It is important to note that the Italian Parmegiano Reggiano is matured for a period of twelve months, as well as its rival Grana Padano, and this long ripening period causes changes making them gourmet, highly-valued cheeses. In the present study, twelve different Parmesan-type cheeses were purchased from the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cheese; Microbiology; Chemical composition; Texture; PCA; HCA.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612014000100026
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Training small producers in Good Manufacturing Practices for the development of goat milk cheese Ciênc. Tecnol. Aliment.
RAMÓN,Adriana Noemí; DE LA VEGA,Sara María; FERRER,Elisabeth Cristina; CRAVERO BRUNERI,Andrea Paula; MILLÁN,Mónica Patricia; GONÇALVEZ DE OLIVEIRA,Enzo; BORELLI,María Florencia; VILLALVA,Fernando Josue; PAZ,Noelia Fernanda.
Abstract Training in Good Manufacturing Practices enhances quality during food processing. This paper evaluates GMP training aimed at improving the chemical, sensory and microbiological quality of goat milk cheese. We worked with 26 families that produce cheese as their main source of income. Semi-structured interviews and observation were conducted to select relevant topics. The manufacturing processes were compared and samples were analyzed before and after GMP training. We trained 80% of the producers. Before receiving training, they used to make cheese from raw milk in unhygienic conditions and with little equipment. The products obtained had bad sensory characteristics, cracks, eyes on the pasta, a high number of aerobic mesophilic bacteria and total...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cheese; Goat milk; Good Manufacturing Practices.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612018000100134
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Aflatoxin M1 in samples of "minas" cheese commercialized in the city of Belo Horizonte - Minas Gerais/Brazil Ciênc. Tecnol. Aliment.
PRADO,Guilherme; OLIVEIRA,Marize Silva; PEREIRA,Maria Lúcia; ABRANTES,Fabiana Moreira; SANTOS,Luciana Gonçalves; VELOSO,Thais.
Milk products such as cheeses may be contaminated by aflatoxin M1 when dairy cattle have consumed feeds contaminated with aflatoxin B1. Samples of "Minas" cheeses (fresh, canastra and standard) were collected by the Inspection Service in the Mercado Central in Belo Horizonte city, Minas Gerais - Brazil. A purified extract was obtained by extraction with dichloromethane followed by a washing with n-hexane and immunoaffinity column purification. The quantification of aflatoxin M1 was done by high performance liquid chromatography (HPLC) using a fluorescence detector. Recoveries were about 75%. In 56 of the 75 samples (74.7%), the presence of aflatoxin M1 was detected in concentrations ranging between 0.02 and 6.92ng/g of cheese. In the positive cases ( >...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aflatoxin M1; Cheese; HPLC.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612000000300020
Registros recuperados: 48
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