Effect of Inulin on the Viability of <Emphasis Type="Italic">L. plantarum</Emphasis> during Storage and <Emphasis Type="Italic">In Vitro</Emphasis> Digestion and on Composition Parameters of Vegetable Fermented Juices |
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| Authors: | Estefanía Valero-Cases María José Frutos |
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| Institution: | 1.Agro-Food Technology Department,Miguel Hernández University,Alicante,Spain |
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| Abstract: | The prebiotic effect of different concentrations of inulin (0, 1 and 2%) on the growth and survival of Lactobacillus plantarum (LP) CECT 220 in blended carrot and orange juices was investigated after 24 h of fermentation, during 30 days of storage at 4 °C and through the phases of gastrointestinal digestion after different storage periods. Microbiological and chemical determinations were also carried out in all juices. The lactic fermentation increased the shelf life of the fermented juices with inulin. The hygienic-sanitary quality in fermented juices was better than the control juices. During storage, the inulin improved the viability of LP and the monosaccharide concentration remained higher with respect to the juice without inulin (40% lower). At 30 days, the fermented juices with 2% inulin after in vitro digestion presented the highest survival of L. plantarum. |
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