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Titel:

The Contribution of the Inherent Restricted Mobility of Glassy Sugar Matrices to the Overall Stability of Freeze-Dried Bacteria Determined by Low-Resolution Solid-State H-1-NMR

Dokumenttyp:
Zeitschriftenaufsatz
Autor(en):
Aschenbrenner, Mathias; Grammueller, Eva; Kulozik, Ulrich; Foerst, Petra
Abstract:
The aim of this work was to evaluate whether, in case of freeze-dried bacteria, the protective effect of a surrounding glassy matrix can be ascribed to its inherent restricted molecular mobility. Lactobacillus paracasei ssp. paracasei together with three different protectants (lactose, trehalose and dextran) was freeze-dried and stored at different temperatures and water activities (a (w)). The spin-spin relaxation time T (2) was determined by means of low resolution H-1-NMR spectroscopy and des...     »
Zeitschriftentitel:
Food and Bioprocess Technology
Jahr:
2014
Band / Volume:
7
Heft / Issue:
4
Seitenangaben Beitrag:
1012--1024
Volltext / DOI:
doi:10.1007/s11947-013-1095-7
Print-ISSN:
1935-5130
TUM Einrichtung:
Chair of food Process Engineering and Dairy Technology
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