Effects of pulsed electric fields on the survival behaviour of Saccharomyces cerevisiae suspended in single solutions of low concentration

作者: Man-Sheng Wang , Xin-An Zeng , Charles S. Brennan , Margaret A. Brennan , Zhong Han

DOI: 10.1111/IJFS.13007

关键词:

摘要: Summary This paper investigates the survival behaviour of Saccharomyces cerevisiae cells suspended in NaCl solutions with various low concentrations after exposure to pulsed electric field (PEF) treatments. The input and heat-generation pulse power during each PEF treatment experiment were measured directly. In addition, detailed information on sublethally PEF-injured S. cerevisiae was obtained by use image analysis. Results showed that both intensity total time had significantly affected cells, whereas concentration solution less effect. When conductivity 300 μS cm−1, a high ratio surviving observed. Image analysis indicated large number injured (SICs) intensity. indicate influenced

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