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Activity of encapsulated Lactobacillus bulgaricus in alginate-whey protein microspheres
Provedor de dados: 52
Autores: Chen,Meng-Yan; Zheng,Wei; Dong,Qiu-Yue; Li,Zhen-Hua; Shi,Lu-E; Tang,Zhen-Xing.
In this work, alginate-whey protein was used as wall materials for encapsulating Lactobacillus delbrueckii subsp. bulgaricus (L. bulgaricus). The characteristics of encapsulated and free L. bulgaricus showed that the free L. bulgaricus lost viability after 1 min exposure to simulated gastric fluid (SGF) at pH 2.0 and 2.5. However, the viability of encapsulated L. bulgaricus did not decrease in SGF at pH 2.5 for 2 h incubation. The viable numbers of encapsulated L. bulgaricus decreased less than 1.0 log unit for 2 h incubation in SGF at pH 2.0. For bile stability, only 1.2 log units and 2.0 log units viability of the encapsulated L. bulgaricus was lost in 1 and 2% bile for 1 h exposure, respectively, compared with no survival of free L. bulgaricus under the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Encapsulation; Alginate; Whey protein; Probiotics; Stability.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000500736