Disruption of Microbial Cells by the Flash Discharge of High-pressure Carbon Dioxide
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概要
- 論文の詳細を見る
In order to develop a novel sterilization method for heat-sensitive materials, the disruption of microbial cells by the rapid release of gas pressure was examined under various conditions of pressure, temperature, treatment time and water content of the cells. Wet cells of baker's yeast were completely destroyed, after the microorganisms had been saturated with CO_2 gas at 40℃ and 40 atm for more than 3h when the pressure was suddenly discharged. On the other hand, dry cells were poorly killed even under the same experimental conditions. In particular, N_2 gas with low solubility in water had no effect on the survival ratio of the yeast. From these results, the death of microorganisms may be caused by mechanical breakage and/or physiological damage related to gas sorption and desorption by the cells.
- 社団法人日本農芸化学会の論文
- 1994-07-23
著者
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NAKAMURA KOZO
Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo
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中村 薫
京大 化研
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ENOMOTO Atsushi
Department of Pathology, Nagoya University Graduate School of Medicine
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Fukushima Hideo
Department Of Biological And Chemical Engineering Faculty Of Engineering Gunma University
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Nagai Kiyotaka
Department of Biological and Chemical Engineering, Faculty of Engineering, Gunma University
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Hakoda Masaru
Department of Biological and Chemical Engineering, Faculty of Engineering, Gunma University
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Nagahama Kazuhiro
Department Of Applied Microbial Technology The Kumanoto Institute Of Technology
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Hakoda M
Gunma Univ. Gunma Jpn
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Hakoda Masaru
Department Of Biological And Chemical Engineering Gunma University
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Nakamura Kozo
Department Of Bioscience And Biotechnology Faculty Of Agriculture Shinshu University
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Enomoto Atsushi
Department Of Biological And Chemical Engineering Faculty Of Engineering Gunma University
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Nakamura Kahoru
Department Of Nutrition Tokyo University Of Agriculture
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Nakamura Kozo
Department Of Agricultural Chemistry The University Of Tokyo
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