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Fatty acid profiling and proteomic analysis of Salmonella enterica serotype Typhimurium inactivated with supercritical carbon dioxide

Title
Fatty acid profiling and proteomic analysis of Salmonella enterica serotype Typhimurium inactivated with supercritical carbon dioxide
Authors
Kim S.R.Kim H.T.Park H.J.Kim S.Choi H.J.Hwang G.-S.Yi J.H.Ryu D.H.Kim K.H.
Ewha Authors
최희정
SCOPUS Author ID
최희정scopus
Issue Date
2009
Journal Title
International Journal of Food Microbiology
ISSN
0168-1605JCR Link
Citation
vol. 134, no. 3, pp. 190 - 195
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Non-thermal sterilization and microbial inactivation processes are currently receiving much attention in food and pharmaceutical industries. In particular, since supercritical carbon dioxide (SC-CO2) treatment, which is conducted at relatively low temperatures, is considered to be a promising alternative method to replace thermal sterilization processes that cannot be safely used in foods and bioactive materials. Although SC-CO2 has been applied to many microorganisms, the inactivation of microbial cells by SC-CO2 has only been evaluated by using a conventional viable cell count such as a plating method, by which it is not possible to systematically elucidate the microbial cell inactivation process. Therefore, in this study the physiological status of SC-CO2 treated Salmonella enterica serotype Typhimurium was analyzed by using GC-MS analysis of fatty acids with principal component analysis and two-dimensional electrophoresis for protein profiling. From the results of these systemic analyses, it was revealed that SC-CO2 caused significant alterations to the profiles of fatty acids and proteins of the cells. © 2009 Elsevier B.V. All rights reserved.
DOI
10.1016/j.ijfoodmicro.2009.06.006
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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