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	Provedor de dados Ciência Rural (15) BABT (1) Scientia Agricola (1) Autor Menezes,Cristiano Ragagnin de (17) Barin,Juliano Smanioto (10) Cichoski,Alexandre José (6) Silva,Cristiane de Bona da (6) Wagner,Roger (6) Codevilla,Cristiane Franco (4) Fries,Leadir Lucy Martins (4) Zepka,Leila Queiroz (4) Jacob-Lopes,Eduardo (3) Lopes,Eduardo Jacob (3) Bastos,Juliana de Oliveira (2) Durrant,Lucia Regina (2) Etchepare,Mariana de Araújo (2) Flores,Erico Marlon de Moraes (2) Fonseca,Bruna de Souza (2) Lucas,Bruna Nichelle (2) Motta,Mariana Heldt (2) Nunes,Graciele Lorenzoni (2) Rolim,Clarice Madalena Bueno (2) Silva,Pablo Teixeira da (2) Mais... Palavra-chave Microencapsulation (4) Controlled release (2) Lactobacillus acidophilus (2) Microcápsulas (2) Probiotics (2) Agro-industrial wastewater (1) Alginate (1) Antioxidant (1) Antioxidant activity (1) Antioxidant capacity (1) Arbequina (1) Bifidobacterium animalis (1) Bioreactor (1) C. elegans. (1) Chromatography (1) Citotoxicity (1) Compostos fenólicos (1) Culturas probióticas (1) Cytotoxicity (1) Determinação de água (1) Mais... Tipo do documento Info:eu-repo/semantics/article (17) Ano 2020 (1) 2019 (4) 2018 (2) 2017 (1) 2015 (2) 2014 (4) 2013 (1) 2010 (1) 2008 (1) Mais... País Brazil (17) Idioma Inglês (12) Português (5)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 17 Primeira ... 1 ... Última Composição química de folhas de oliveira (Olea europaea L.) da região de Caçapava do Sul, RS Ciência Rural Cavalheiro,Caroline Viegas; Rosso,Vandrisa Dellinghausen; Paulus,Eloi; Cichoski,Alexandre José; Wagner,Roger; Menezes,Cristiano Ragagnin de; Barin,Juliano Smanioto. A oliveira (Olea europaea L.) é uma planta característica da região Mediterrânea que teve seu cultivo disseminado para diversos países do mundo, devido ao grande interesse na produção de olivas e de seu azeite, ricos em ácidos graxos essenciais. As folhas da oliveira podem ser um importante subproduto gerado pela poda das árvores, pois apresentam quantidade significativa de compostos fenólicos e ácidos graxos benéficos à saúde. Tendo em vista a importância da constituição química das folhas de oliveira e o recente cultivo no sul do Brasil, este trabalho teve como objetivo fazer um estudo exploratório sobre a composição centesimal, compostos fenólicos totais, ácidos graxos e minerais presentes nas folhas da cultivar 'Arbequina', cultivada em Caçapava do... Tipo: Info:eu-repo/semantics/article Palavras-chave: Arbequina; Ácidos graxos; Minerais; Compostos fenólicos. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014001001874 Cytotoxicity and antioxidant activity of goldenberry extracts obtained with high intensity ultrasound Ciência Rural Codevilla,Cristiane Franco; Tischer,Bruna; Gindri,Amanda Leitão; Nogueira-Librelotto,Daniele Rubert; Barin,Juliano Smanioto; Silva,Cristiane de Bona da; Rolim,Clarice Madalena Bueno; Zepka,Leila Queiroz; Menezes,Cristiano Ragagnin de. ABSTRACT: The high intensity ultrasound-assisted extraction (HIU) is one of the most simple, quick and efficient techniques for the extraction of phenolic and other antioxidant compounds from plants. This is the first application of HIU for the extraction of these compounds from goldenberry fruit. The HIU and conventional extraction techniques showed similar results regarding to phenolic compounds and antioxidant capacity. However, the time required for HIU extraction (5min) was 24 times lower than conventional extraction (120min). Phenolic compounds reported were chlorogenic acid, caffeic acid and rutin. In vitro cytotoxicity assays were used for evaluation of extracts and the results showed that in a wide range of concentration, the extract maintains... Tipo: Info:eu-repo/semantics/article Palavras-chave: Goldenberry; Sonication; Antioxidant capacity; Cytotoxicity; High performance liquid chromatography. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000200752 Degradation of lignosulfonic and tannic acids by ligninolytic soil fungi cultivated under icroaerobic conditions BABT Silva,Isis Serrano; Menezes,Cristiano Ragagnin de; Franciscon,Elisangela; Santos,Eder da Costa dos; Durrant,Lucia Regina. Soil fungi were evaluated regarding their ability to degrade lignin-related compounds by producing the ligninolytic enzymes. Lignosulfonic and tannic acids were used as sole carbon sources during 30 days under microaerobic and very-low-oxygen conditions. The fungi produced lignin-peroxidase, manganese-peroxidase and laccase . Expressive degradations was observed by C18 reversed-phase HPLC, indicating the biodegradation potential of these fungi, showing more advantages than obligate anaerobes to decontaminate the environment when present naturally. Tipo: Info:eu-repo/semantics/article Palavras-chave: Lignosulfonic acid; Tannic acid; Ligninolytic enzymes; Microaerobic conditions; Soil fungi. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000300026 Determinação do teor de umidade em grãos empregando radiação micro-ondas Ciência Rural Raschen,Matheus Rafael; Lucion,Fernanda Bortoluzzi; Cichoski,Alexandre José; Menezes,Cristiano Ragagnin de; Wagner,Roger; Lopes,Eduardo Jacob; Zepka,Leila Queiroz; Barin,Juliano Smanioto. A determinação de umidade em grãos é um parâmetro de qualidade importante, uma vez que o teor de água presente no alimento tem influência tanto no armazenamento quanto na comercialização do produto. Os métodos usados como referência na determinação de umidade em grãos empregam a perda por dessecação em estufa (LOD). Apesar de ser de fácil execução, esse método dispende cerca de 24h de aquecimento, normalmente, em 105°C, para obtenção do resultado. No presente estudo, é proposta a determinação da perda por dessecação assistida por radiação micro-ondas (MALOD) para amostras de grãos moídos de arroz branco, arroz integral, ervilha, feijão branco, feijão carioca, feijão preto, grão-de-bico, lentilha e milho, buscando reduzir o tempo de análise. Parâmetros como... Tipo: Info:eu-repo/semantics/article Palavras-chave: Umidade; Micro-ondas; Grãos; Perda por dessecação; Determinação de água. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000500026 Development, characterization and viability study of probiotic microcapsules produced by complex coacervation followed by freeze-drying Ciência Rural Silva,Thaiane Marques da; Barin,Juliano Smanioto; Lopes,Eduardo Jacob; Cichoski,Alexandre José; Flores,Erico Marlon de Moraes; Silva,Cristiane de Bona da; Menezes,Cristiano Ragagnin de. ABSTRACT: Technique of complex coacervation was used to produce microcapsules of Lactobacillus acidophilus La-5 encapsulated in gelatin and gum arabic which were then freeze-drying. Microcapsules were characterized using scanning electron and optical microscopy, and resistance of probiotics was evaluated during release into a simulated gastrointestinal tract and storage at different temperatures. The complex coacervation process produced microcapsules with a high encapsulation efficiency (77.60% and 87.53%), ranging from 127.14-227.05 μm with uniform distribution. Microencapsulation was an efficient approach to achieve significant protection of probiotics against simulated gastrointestinal conditions compared with free cells. Encapsulation also improved... Tipo: Info:eu-repo/semantics/article Palavras-chave: Microencapsulation; Lactobacillus acidophilus; Gelatin; Gum Arabic. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000700752 Encapsulation of Lactobacillus acidophilus and different prebiotic agents by external ionic gelation followed by freeze-drying Ciência Rural Poletto,Gabriela; Fonseca,Bruna de Souza; Raddatz,Greice Carine; Wagner,Roger; Lopes,Eduardo Jacob; Barin,Juliano Smanioto; Flores,Erico Marlon de Moraes; Menezes,Cristiano Ragagnin de. ABSTRACT: The aim of this study was to investigate the influence of the addition of prebiotics rice bran, inulin and hi-maize, on the survival of Lactobacillus acidophilus in alginate microparticles obtained by external ionic gelation followed by freeze-drying. The microparticles size ranged from 127.5μm to 234.6μm. Microparticles added from the different prebiotics demonstrated an increase in the protection of the microorganism, which presented greater viability against the gastrointestinal simulation. As for storage under different conditions, rice bran treatment at 25ºC kept probiotics viable for 30 days. Under storage conditions -18°C and 7°C, treatments containing prebiotics hi-maize and rice bran maintained viable probiotic microorganisms for a... Tipo: Info:eu-repo/semantics/article Palavras-chave: Microencapsulation; Probiotics; Rice bran; Inulin; Hi-maize. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000200751 Encapsulation of Lactobacillus acidophilus La-5 and Bifidobacterium Bb-12 by spray drying and evaluation of its resistance in simulated gastrointestinal conditions, thermal treatments and storage conditions Ciência Rural Nunes,Graciele Lorenzoni; Motta,Mariana Heldt; Cichoski,Alexandre José; Wagner,Roger; Muller,Édson Irineu; Codevilla,Cristiane Franco; Silva,Cristiane de Bona da; Menezes,Cristiano Ragagnin de. ABSTRACT: Lactobacillus acidophillus La-5 (ML) and Bifidobacterium Bb-12 (MB) microparticles were produced at different temperatures by spray dryer. The influence of different temperatures on the viability, encapsulation efficiency, water activity and moisture were evaluated. Microparticles that presented more viability were submitted to thermal resistance, gastrointestinal simulation, storage stability, morphology and particle size analyses. Drying temperature of 130°C showed higher encapsulation efficiency, 84.61 and 79.73% for Lactobacillus acidophillus (ML) and Bifidobacterium Bb-12 (MB) microparticles, respectively. In the evaluation of thermal resistance and gastrointestinal simulation, the microparticles of Lactobacillus acidophillus La-5 (ML)... Tipo: Info:eu-repo/semantics/article Palavras-chave: Spray dryer; Viability; Probiotics. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000600751 Extraction, characterization and microencapsulation of isoflavones from soybean molasses Ciência Rural Batista,Vanessa Sabrina Fagundes; Nunes,Graciele Lorenzoni; Viegas,Gabriela Ilha; Lucas,Bruna Nichelle; Bochi,Vivian Caetano; Emanuelli,Tatiana; Barin,Juliano Smanioto; Menezes,Cristiano Ragagnin de; Rosa,Claudia Severo da. ABSTRACT: This study aimed to extract isoflavones from soybean molasses with different solvents, furthermore, the selected extract, which showed overall desirable characteristics was selected to evaluate the potentials of different encapsulating agents. The encapsulating agents employed for the study included 18% Maltodextrin DE20 (T1), 18% Hi-maize (T2), and a mixture of equal proportions of 9% Maltodextrin DE20 and 9% of Hi-maize (T3). Solvents such as 80% ethanol and methanol, and grain alcohol in varying different concentrations of 50 and 80% were used for the studies. The best solvent for the extraction of phenolics and total isoflavones was 50% cereal alcohol, this extract also presented higher antioxidant activity. Evaluation of the encapsulating... Tipo: Info:eu-repo/semantics/article Palavras-chave: Spray-drying; Antioxidant; Phenolics; Isoflavones. Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000300751 Improvement of the viability of probiotics (Lactobacillus acidophilus) by multilayer encapsulation Ciência Rural Menezes,Maria Fernanda da Silveira Cáceres de; Silva,Thaiane Marques da; Etchepare,Mariana de Araújo; Fonseca,Bruna de Souza; Sonza,Vandré Pinto; Codevilla,Cristiane Franco; Barin,Juliano Smanioto; Silva,Cristiane de Bona da; Menezes,Cristiano Ragagnin de. ABSTRACT: This study produced pectin microcapsules containing Lactobacillus acidophilus by external ionic gelation, followed by the adsorption of whey protein and pectin to form multilayers. The viability of free and microencapsulated lactobacilli was evaluated after in vitro exposure to gastrointestinal conditions. They were also assessed by heat treatment, and stability was examined at -18 °C, 5 °C and 25 °C for 120 days. Exposure to different pHs, simulating passage through the gastrointestinal tract, showed that treatment of the microcapsules with only pectin (LA/P0) and with one and two layers of whey protein (treatments LA/P1 and LA/P3, respectively), were able to protect Lactobacillus acidophilus , with microcapsules increasing the release of... Tipo: Info:eu-repo/semantics/article Palavras-chave: Pectin; Whey protein concentrate; External ionic gelation. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000900751 Microencapsulação de probióticos: avanços e perspectivas Ciência Rural Menezes,Cristiano Ragagnin de; Barin,Juliano Smaniotto; Chicoski,Alexandre José; Zepka,Leila Queiroz; Jacob-Lopes,Eduardo; Fries,Leadir Lucy Martins; Terra,Nelcindo Nascimento. Devido aos seus efeitos benéficos, os probióticos têm sido incorporados nos mais diversos alimentos, incluindo iogurtes, queijos, sorvetes, leites fermentados e sobremesas congeladas. No entanto, existem ainda diversos problemas com relação à viabilidade e resistência das culturas probióticas nesses alimentos. Neste artigo de revisão, são abordados os aspectos tecnológicos utilizados na microencapsulação de probióticos que permitem aumentar a sua viabilidade durante a fermentação, processamento e utilização nos produtos comerciais. A microencapsulação de bactérias probióticas pode ser utilizada para aumentar a viabilidade durante o processamento, como também para liberá-las de maneira controlada no trato gastrointestinal. Tipo: Info:eu-repo/semantics/article Palavras-chave: Encapsulação; Culturas probióticas; Liberação controlada; Microcápsulas. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782013000700026 Microencapsulação de probióticos por spray drying: avaliação da sobrevivência sob condições gastrointestinais simuladas e da viabilidade sob diferentes temperaturas de armazenamento Ciência Rural Silva,Pablo Teixeira da; Fries,Leadir Lucy Martins; Menezes,Cristiano Ragagnin de; Silva,Cristiane de Bona da; Soriani,Hilda Hildebrand; Bastos,Juliana de Oliveira; Motta,Mariana Heldt; Ribeiro,Roseane Fagundes. O objetivo deste trabalho foi avaliar microcápsulas contendo Bifidobacterium animalis e Lactobacillus acidophilus, produzidas por spray drying. Ensaios de sobrevivência foram conduzidos para avaliar a resistência dos probióticos a condições gastrointestinais simuladas e a sua viabilidade durante 120 dias de armazenamento a 4ºC e 25ºC, além da análise morfológica das microcápsulas. A microencapsulação protegeu os probióticos das condições gastrointestinais simuladas, os quais permaneceram viáveis após 120 dias de armazenamento a 4ºC e 25ºC, sendo mais viáveis a 4ºC. As microcápsulas apresentaram forma esférica, com superfície contínua relativamente lisa e sem fissuras. O estudo indica que microcápsulas de B. animalis e L. acidophilus, produzidas por spray... Tipo: Info:eu-repo/semantics/article Palavras-chave: Bifidobacterium animalis; Lactobacillus acidophilus; Microcápsulas. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000701342 Microencapsulation: concepts, mechanisms, methods and some applications in food technology Ciência Rural Silva,Pablo Teixeira da; Fries,Leadir Lucy Martins; Menezes,Cristiano Ragagnin de; Holkem,Augusto Tasch; Schwan,Carla Luisa; Wigmann,Évelin Francine; Bastos,Juliana de Oliveira; Silva,Cristiane de Bona da. Microencapsulation is a process in which active substances are coated by extremely small capsules. It is a new technology that has been used in the cosmetics industry as well as in the pharmaceutical, agrochemical and food industries, being used in flavors, acids, oils, vitamins, microorganisms, among others. The success of this technology is due to the correct choice of the wall material, the core release form and the encapsulation method. Therefore, in this review, some relevant microencapsulation aspects, such as the capsule, wall material, core release forms, encapsulation methods and their use in food technology will be briefly discussed. Tipo: Info:eu-repo/semantics/article Palavras-chave: Microcapsules; Microencapsulation; Controlled release. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000701304 Microencapsulation of probiotics using sodium alginate Ciência Rural Etchepare,Mariana de Araújo; Barin,Juliano Smanioto; Cichoski,Alexandre José; Jacob-Lopes,Eduardo; Wagner,Roger; Fries,Leadir Lucy Martins; Menezes,Cristiano Ragagnin de. The consumption of probiotics is constantly growing due to the numerous benefits conferred on the health of consumers. In this context, Microencapsulation is a technology that favors the viability of probiotic cultures in food products, mainly by the properties of protection against adverse environmental conditions and controlled release. Currently there are different procedures for microencapsulation using polymers of various types of natural and synthetic origin. The use of sodium alginate polymers is one of the largest potential application in the encapsulation of probiotics because of their versatility, biocompatibility and toxicity exemption. The aim of this review is to present viable encapsulation techniques of probiotics with alginate, emphasizing... Tipo: Info:eu-repo/semantics/article Palavras-chave: Alginate; Controlled release; Microencapsulation; Probiotics.. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000701319 Oxygen introduction during extraction and the improvement of antioxidant activity of essential oils of basil, lemon and lemongrass Ciência Rural Ferreira,Daniele de Freitas; Nora,Flávia Michelon Dalla; Lucas,Bruna Nichelle; Menezes,Cristiano Ragagnin de; Cichoski,Alexandre José; Giacomelli,Sandro Rogério; Wagner,Roger; Barin,Juliano Smanioto. ABSTRACT: Essential oil extraction is commonly carried out by using the hydrodistillation method, which is described in official compendia of food quality control and medicinal plants. Despite the widespread use of this method, few studies have evaluated the effect of the atmosphere change during extraction on the composition and antioxidant activity of essentials oils. Therefore, a study of oxygen introduction influence during the extraction of essential oils from basil, lemongrass and lemon by hydrodistillation was performed. Total amount of oxygenated compounds (e.g., linalool, camphor, α-terpineol, neral, geranial, eugenol and α-muurolol) increased for all essential oils extracted under oxygen flow. Antioxidant activity evaluated by using the ORAC... Tipo: Info:eu-repo/semantics/article Palavras-chave: Antioxidant activity; Chromatography; ORAC; Volatile oil. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000800752 Physicochemical characterization and evaluation of in vitro and in vivo toxicity of goldenberry extract nanoemulsion Ciência Rural Silva,Suelen Santos da; Bazana,Maiara Taís; Deus,Cassandra de; Machado,Marina Lopes; Cordeiro,Larissa Marafiga; Soares,Félix Alexandre Antunes; Libreloto,Daniele Rubert Nogueira; Rolim,Clarice Madalena Bueno; Menezes,Cristiano Ragagnin de; Codevilla,Cristiane Franco. ABSTRACT: Oil-in-water (O/W) nanoemulsion containing goldenberry extract was elaborated using a high-energy ultrasonic bath method. Physicochemical characterization of the formulation was carried out by determining pH, mean droplet diameter, polydispersity index (PDI) and zeta potential. Nanoemulsion toxicity was assessed using in vitro assays with tumor and non-tumor cell lines, and in vivo using Caenorhabditis elegans. The pH of the nanoemulsion was 3.84, the mean droplet diameter was 268 ± 7 nm, PDI 0.113 and zeta potential -13.94 mV. Results of the cytotoxicity assays employing non-tumor cells indicated that the extract associated or not with nanoemulsion maintained cell viability at different concentrations tested. In the assays using tumor lineage,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Physalis peruviana; Nanoemulsion; Citotoxicity; C. elegans.. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000800754 Treatment of cattle-slaughterhouse wastewater and the reuse of sludge for biodiesel production by microalgal heterotrophic bioreactors Scientia Agricola Maroneze,Mariana Manzoni; Barin,Juliano Smanioto; Menezes,Cristiano Ragagnin de; Queiroz,Maria Isabel; Zepka,Leila Queiroz; Jacob-Lopes,Eduardo. Microalgal heterotrophic bioreactors are a potential technological development that can convert organic matter, nitrogen and phosphorus of wastewaters into a biomass suitable for energy production. The aim of this work was to evaluate the performance of microalgal heterotrophic bioreactors in the secondary treatment of cattle-slaughterhouse wastewater and the reuse of microalgal sludge for biodiesel production. The experiments were performed in a bubble column bioreactor using the microalgae Phormidium sp. Heterotrophic microalgal bioreactors removed 90 % of the chemical oxygen demand, 57 % of total nitrogen and 52 % of total phosphorus. Substantial microalgal sludge is produced in the process (substrate yield coefficient of 0.43 mg sludge mg chemical... Tipo: Info:eu-repo/semantics/article Palavras-chave: Bioreactor; Agro-industrial wastewater; Microalgae/cyanobacteria. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162014000600011 Xilooligossacarídeos: produção, aplicações e efeitos na saúde humana Ciência Rural Menezes,Cristiano Ragagnin de; Durrant,Lucia Regina. Os xilooligossacarídeos são açúcares não-convencionais (oligômeros formados por unidades de xilose), não-calóricos e não são metabolizados pelo organismo humano. São considerados prebióticos, uma vez que promovem seletivamente o crescimento de probióticos como Lactobacillus sp. e Bifidobacterium bifidum, promovendo uma série de benefícios à saúde humana, como a redução da constipação intestinal, a promoção da digestão e a absorção de nutrientes, a prevenção de infecções gastrintestinais e a inibição do crescimento de microrganismos patogênicos. Este artigo de revisão demonstra a produção de xilooligossacarídeos, tendo como fonte materiais lignocelulósicos, através de métodos químicos e enzimáticos, e também a sua aplicação como ingredientes em alimentos,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Xilooligossacarídeos; Prebiótico; Efeitos benéficos. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782008000200050 Registros recuperados: 17 Primeira ... 1 ... Última

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