SURVIVAL OF LACTOBACILLUS-DELBRUECKII SSP BULGARICUS FOLLOWING SPRAY-DRYING

• Type: Article in International Scientific Journal
• Date: 1995

Authors

TEIXEIRA, PC (Author) Other; CASTRO, MH (Author) Other; F. Xavier Malcata (Author) Other; KIRBY, RM (Author) Other

Journal

Title: Journal of Dairy Science

Vol. 78

Pages: 1025-1031

ISSN: 0022-0302

Publisher: Elsevier

Indexing

ISI Web of Knowledge - 132 Citations

Other information

Authenticus ID: P-001-GYQ

Abstract (EN): Survival of cell concentrates of Lactobacillus delbrueckii ssp. bulgaricus following spray-drying in skim milk with and without ascorbic acid and monosodium glutamate was evaluated during storage at different conditions of temperature and water activity. High temperature and high water activities were detrimental to survival of dried cells. The death rate was higher in the presence of ascorbic acid and monosodium glutamate during storage at 20 degrees C; at 4 degrees C, survival was higher in the presence of these agents. The developed sensitivity of survivors to chemical inhibitors with specific action was used to provide insight into the nature of cellular damage. After drying, cells showed sensitivity to NaCl, lysozyme, penicillin, and pyronin Y, indicating damage to the cell membrane, cell wall, and DNA, respectively.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 7