نتایج جستجو برای: sorbic acid
تعداد نتایج: 747453 فیلتر نتایج به سال:
Exposure of Saccharomyces cerevisiae to sorbic acid strongly induces two plasma membrane proteins, one of which is identified in this study as the ATP-binding cassette (ABC) transporter Pdr12. In the absence of weak acid stress, yeast cells grown at pH 7.0 express extremely low Pdr12 levels. However, sorbate treatment causes a dramatic induction of Pdr12 in the plasma membrane. Pdr12 is essenti...
Microbial stability of intermediate moisture foods (IMF's) has been found to be affected by unsteady state environmental conditions. Temperature fluctuations induce localized surface condensations resulting in potential surface outgrowth before moisture diffuses into the food product. Due to organoleptic, cost and/or safety restrictions it is not always possible to include safety margins by low...
Mathematical models were developed and evaluated for growth of psychrotolerant pseudomonads in chilled milk and in cottage cheese with cultured cream dressing. The mathematical models include the effect of temperature, pH, NaCl, lactic acid and sorbic acid. A simplified cardinal parameter growth rate model was developed based on growth in broth. Subsequently, the reference growth rate parameter...
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