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dc.contributor.authorJangra, M.
dc.contributor.authorBelur, P.D.
dc.contributor.authorOriabinska, L.B.
dc.contributor.authorDugan, O.M.
dc.date.accessioned2020-03-31T08:38:43Z-
dc.date.available2020-03-31T08:38:43Z-
dc.date.issued2016
dc.identifier.citationEngineering in Life Sciences, 2016, Vol.16, 3, pp.247-253en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/12153-
dc.description.abstractMost commercial probiotic products intended for pharmaceutical applications consist of combinations of probiotic strains and are available in various forms. The development of co-culture fermentation conditions to produce probiotics with the correct proportion of viable microorganisms would reduce multiple operations and the associated costs. The aim of this study was to develop a fermentation medium and process to achieve biomass comprising the desired proportion of two probiotic strains in co-culture. Initially, a quantification medium was developed, and the method was optimized to allow the quantification of each strain's biomass in a mixture. The specific growth rates of Lactobacillus delbrueckii spp. bulgaricus and Lactobacillus plantarum were determined in media with different carbon sources. The inoculum volume was optimized to achieve equal proportion of biomass in co-culture fermentation in test tubes. Next, fermentation was carried out in a 3-L bioreactor. A biomass concentration of 2.06 g/L, with L. delbrueckii spp. bulgaricus and L. plantarum in the ratio of 47%:53% (by weight), was achieved with concomitant production of 12.69 g/L of lactic acid in 14 h. The results show that with careful manipulation of process conditions, it is possible to achieve the desired proportion of individual strains in the final biomass produced by co-culture fermentation. This process may serve as a model to produce multistrain probiotic drugs at industrial scale. 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.en_US
dc.titleMultistrain probiotic production by co-culture fermentation in a lab-scale bioreactoren_US
dc.typeArticleen_US
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