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Evaluation of injury to Saccharomyces rouxii YSa40 cells in low water activity/pH glycerol/CPB stress system

Mid-exponential phase Saccharomyces rouxii YSa40 cells subsequently stressed at low a w/pH in the 0.64 a w/pH 3.5 glycerol/CPB system became injured. Such injury was detected by the loss of ability of the stressed population to form colonies on secondary-stress plating medium (glycerol/BM agar at 0....

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Main Authors: Yeoh, T. K., Cheah, Yoke Kqueen, Davies, Roland
Format: Article
Language:English
Published: Faculty of Food Science and Technology, Universiti Putra Malaysia 2012
Online Access:http://psasir.upm.edu.my/id/eprint/41051/1/Evaluation%20of%20injury%20to%20Saccharomyces%20rouxii%20YSa40%20cells%20in%20low%20water%20activitypH%20glycerolCPB%20stress%20system.pdf
http://psasir.upm.edu.my/id/eprint/41051/
http://www.ifrj.upm.edu.my/19%20%2801%29%202011/%2813%29IFRJ-2011-056%20Cheah.pdf
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spelling my.upm.eprints.410512015-11-30T08:06:08Z http://psasir.upm.edu.my/id/eprint/41051/ Evaluation of injury to Saccharomyces rouxii YSa40 cells in low water activity/pH glycerol/CPB stress system Yeoh, T. K. Cheah, Yoke Kqueen Davies, Roland Mid-exponential phase Saccharomyces rouxii YSa40 cells subsequently stressed at low a w/pH in the 0.64 a w/pH 3.5 glycerol/CPB system became injured. Such injury was detected by the loss of ability of the stressed population to form colonies on secondary-stress plating medium (glycerol/BM agar at 0.94 a w/pH 3.5 (lactic acid)) while colony forming ability on secondary non-stress plating medium (sugars/BM agar at 0.94 a w/pH 3.5 (lactic) was unaffected. The injury was shown to be due to sensitivity to glycerol/lactic acid. Results of the present study will be useful for achieving complete decontamination of 'Intermediate Moisture Foods' against xerotolerant molds and yeast. Faculty of Food Science and Technology, Universiti Putra Malaysia 2012 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/41051/1/Evaluation%20of%20injury%20to%20Saccharomyces%20rouxii%20YSa40%20cells%20in%20low%20water%20activitypH%20glycerolCPB%20stress%20system.pdf Yeoh, T. K. and Cheah, Yoke Kqueen and Davies, Roland (2012) Evaluation of injury to Saccharomyces rouxii YSa40 cells in low water activity/pH glycerol/CPB stress system. International Food Research Journal, 19 (1). pp. 95-99. ISSN 1985-4668; ESSN: 2231-7546 http://www.ifrj.upm.edu.my/19%20%2801%29%202011/%2813%29IFRJ-2011-056%20Cheah.pdf
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Mid-exponential phase Saccharomyces rouxii YSa40 cells subsequently stressed at low a w/pH in the 0.64 a w/pH 3.5 glycerol/CPB system became injured. Such injury was detected by the loss of ability of the stressed population to form colonies on secondary-stress plating medium (glycerol/BM agar at 0.94 a w/pH 3.5 (lactic acid)) while colony forming ability on secondary non-stress plating medium (sugars/BM agar at 0.94 a w/pH 3.5 (lactic) was unaffected. The injury was shown to be due to sensitivity to glycerol/lactic acid. Results of the present study will be useful for achieving complete decontamination of 'Intermediate Moisture Foods' against xerotolerant molds and yeast.
format Article
author Yeoh, T. K.
Cheah, Yoke Kqueen
Davies, Roland
spellingShingle Yeoh, T. K.
Cheah, Yoke Kqueen
Davies, Roland
Evaluation of injury to Saccharomyces rouxii YSa40 cells in low water activity/pH glycerol/CPB stress system
author_facet Yeoh, T. K.
Cheah, Yoke Kqueen
Davies, Roland
author_sort Yeoh, T. K.
title Evaluation of injury to Saccharomyces rouxii YSa40 cells in low water activity/pH glycerol/CPB stress system
title_short Evaluation of injury to Saccharomyces rouxii YSa40 cells in low water activity/pH glycerol/CPB stress system
title_full Evaluation of injury to Saccharomyces rouxii YSa40 cells in low water activity/pH glycerol/CPB stress system
title_fullStr Evaluation of injury to Saccharomyces rouxii YSa40 cells in low water activity/pH glycerol/CPB stress system
title_full_unstemmed Evaluation of injury to Saccharomyces rouxii YSa40 cells in low water activity/pH glycerol/CPB stress system
title_sort evaluation of injury to saccharomyces rouxii ysa40 cells in low water activity/ph glycerol/cpb stress system
publisher Faculty of Food Science and Technology, Universiti Putra Malaysia
publishDate 2012
url http://psasir.upm.edu.my/id/eprint/41051/1/Evaluation%20of%20injury%20to%20Saccharomyces%20rouxii%20YSa40%20cells%20in%20low%20water%20activitypH%20glycerolCPB%20stress%20system.pdf
http://psasir.upm.edu.my/id/eprint/41051/
http://www.ifrj.upm.edu.my/19%20%2801%29%202011/%2813%29IFRJ-2011-056%20Cheah.pdf
_version_ 1643832886641557504
score 13.211869

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