Inactivation of spores of three Bacillus strains by low hydrostatic pressure (LHP) treatment

Soichi Furukawa, Akira Matsuoka, Yujiro Nakamichi, Tatsuo Kato, Mitsuya Shimoda, Isao Hayakawa

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The effect of low hydrostatic pressure (30, 50 and 100 MPa) (LHP) treatment on the inactivation of B. subtilis, B. licheniformis and B. coagulans spores in combination with heat treatment at 75°C was investigated. The inactivation of spores was in proportion to the increase of treatment pressure at 75°C. B. licheniformis spores were more resistant than those of the other two strains to LHP treatment combined with heat treatment at 75°C. The hydrostatic pressure above 50 MPa and the treatment time at least 700 min were necessary to inactivate B. licheniformis spores by five log-cycles.

Original languageEnglish
Pages (from-to)525-530
Number of pages6
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume45
Issue number2
Publication statusPublished - Feb 1 2001

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

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