期刊文献+

高温高压条件下黑曲霉孢子的失活参数计算 被引量:2

Parameters Calculation of Inactivation of Aspergillus niger Spores by Autoclave
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摘要 高温高压灭菌是黑曲霉孢子灭活的主要方式。通过研究黑曲霉孢子在高温高压过程中的死亡率,计算黑曲霉孢子的比热死速率常数和活化能。结果表明,黑曲霉孢子在97、115、121℃时的比热死速率常数分别为0.02839、0.04159、0.06592/min,热死的活化能为38324.4794J/mol。为利用高温高压灭活大量曲霉孢子提供了理论基础。 Autoclave is a major process to inactivate Aspergillus niger spores. The specific heat death constants and activation energy of A. niger spores were calculated through study on different temperature during the autoclave. The results showed that specific heat death constants at 97, 115, 121 ℃ were 0. 028 39, 0. 041 59,0. 065 92/min re- spectively, and the activation energy was 38 324. 479 4 J/mol. These results provided theoretical base to use autoclave to inactivate A. niger spores in large scale.
出处 《微生物学杂志》 CAS CSCD 2015年第2期27-30,共4页 Journal of Microbiology
基金 国家自然科学基金资助项目(21306112) 上海市自然科学基金资助项目(13ZR1429100) 工业发酵微生物教育部重点实验室暨天津市工业微生物重点实验室(天津科技大学)开放基金资助项目(2013IM002) 浦东新区科技发展基金创新资金资助项目
关键词 黑曲霉孢子 高温高压 比热死速率常数 活化能 Aspergillus niger spores high temperature high pressure specific heat death constant activation energy
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参考文献23

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