Reference : The Resistance to Freeze-Drying and to Storage Was Determined as the Cellular Ability...
Scientific journals : Article
Life sciences : Biotechnology
http://hdl.handle.net/2268/71373
The Resistance to Freeze-Drying and to Storage Was Determined as the Cellular Ability to Recover Its Survival Rate and Acidification Activity
English
Coulibaly, Ibourahema mailto [Université de Liège - ULg > > > Doct. sc. agro. & ingé. biol.]
Dubois-dauphin, Robin mailto [> >]
Destain, Jacqueline mailto [Université de Liège - ULg > Chimie et bio-industries > Bio-industries >]
Fauconnier, Marie-Laure mailto [Université de Liège - ULg > Sciences agronomiques > Biologie végétale >]
Lognay, Georges mailto [Université de Liège - ULg > Chimie et bio-industries > Chimie analytique >]
Thonart, Philippe mailto [Université de Liège - ULg > Département des sciences de la vie > Biochimie et microbiologie industrielles - Bio-industries >]
16-Jun-2010
International Journal of Microbiology
Hindawi Publishing Corporation
2010
625239
Yes (verified by ORBi)
International
1687-918X
New York, NY 10022
USA
[en] Freeze-Drying ; Survival ; Acidification Activity
[en] The protective effects of the fatty acid composition and membrane action of the acidification activity of two strains of Lactobacillus
kept at 20◦C were studied. The addition of sorbitol, monosodium glutamate and glycerol during storage is causing the decline
of acidification and increased concentrations of unsaturated fatty acids observed in both strains. The addition of sorbitol and
monosodium glutamate does not alter the fatty acid composition, whatever the strain, but increases the resistance to freeze-drying
of L. plantarum CWBI-B1419 and improves survival during storage. The addition of these preservatives and decreased activity of
acidification improves the ratio unsaturated. These results indicate that the survival during storage and freeze-drying resistance
are closely related to the composition of membrane fatty acids. This behaviour can be interpreted as an adaptation of L. plantarum
B1419-CWBI supplemented by cryoprotectant additives such as sorbitol or monosodium glutamate sorbitol and monosodium
glutamate as an additive. L. plantarum CWBI-B1419 presents a greater adaptation to culture conditions than L. paracasei ssp.
paracasei LMG9192T.
Gembloux Agro-Bio ttech
Researchers ; Students
http://hdl.handle.net/2268/71373
10.1155/2010/625239

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