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Type: Artigo
Title: Development of a mixed jussara and mango juice with added lactobacillus rhamnosus GG submitted to sub-lethal acid and baric stresses
Author: Prates, Fernanda Costa
Leite Júnior, Bruno Ricardo de Castro
Martins, Eliane Maurício Furtado
Cristianini, Marcelo
Silva, Roselir Ribeiro da
Campos, André Narvaes da Rocha
Gandra, Scarlet Ohana da Silva
Oliveira, Patrícia Martins de
Martins, Maurilio Lopes
Abstract: This study evaluated the interference of sub-lethal acid (SLA) stress and high isostatic pressure (HIP) stress on the survival of Lactobacillus rhamnosus GG (LGG) in mixed jussara and mango juice with the pH adjusted to 3.0 and 3.5, during 90 days of storage at 6 °C. The SLA stress at pH 4.0 previously applied to the LGG cells had no effect on the survival of this bacterium in mixed jussara and mango juices. On the other hand, the application of 200 MPa/5 min/25 °C treatment to LGG cells was shown to be efficient in the cross protection of this bacterium in an acid medium. Pressures above 400 MPa/5 min/25 °C caused a reduction in the viability in an acid medium and lower pressures (< 100 MPa) showed similar results compared to control treatment in the LGG survival. No changes in pH, acidity and soluble solids were observed in mixed juices. In addition, these products showed elevated levels of anthocyanins, phenolic compounds and antioxidant capacity. This highlights the capacity of the HIP process to promote the cross protection of LGG in an acid medium
Subject: Frutas tropicais
Country: India
Editor: Springer
Rights: Fechado
Identifier DOI: 10.1007/s13197-020-04491-6
Date Issue: 2020
Appears in Collections:FEA - Artigos e Outros Documentos

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