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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
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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
Registros recuperados: 2
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