Abstract：
:The time to detection (TTD) for Pichia anomala IG02 was defined, for inoculum sizes lower than 6 log(10)cfu/ml, as the time elapsed from inoculation to the moment at which an OD of 0.12 was reached. In other cases, TTD can be estimated by interpolation within the time elapsed from the previous readings below OD=0.12 and the next above it. A linear relationship, which depended on the inoculum size, between lnTTD with ln lambda and ln mu(m) was found. These relationships can be used to estimate the biological parameters of cultures with low inoculum levels. In addition, TTD for P. anomala IG02 could be modelled as a function of environmental conditions. The model can also be applied to lambda and mu(m) through their relationships with TTD. The effects of temperature, NaCl content and pH were quantified by the generalized z-values. An increase of 5.97 in NaCl concentration, a decrease of 1.97 units of pH, or a decrease of 6.08 degrees C doubled the TTD or caused a 2.53-fold increase in lambda and a 2.56-fold decrease in the mu(m).
journal_name
Food Microbioljournal_title
Food microbiologyauthors
Arroyo López FN,Durán Quintana MC,Garrido Fernández Adoi
10.1016/j.fm.2005.05.011subject
Has Abstractpub_date
2006-06-01 00:00:00pages
315-24issue
4eissn
0740-0020issn
1095-9998pii
S0740-0020(05)00072-9journal_volume
23pub_type
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更新日期：2009-05-01 00:00:00
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