publication . Other literature type . 2015

Gas-Forming Nonstarter Lactorbacilli

Ortakci, Faith; Broadbent, Jeffery R.; Oberg, Craig J.; McMahon, Donald J.;
Open Access
  • Published: 01 Jan 2015
  • Publisher: Hosted by Utah State University Libraries
  • Country: United States
Abstract
An obligatory heterofermentative lactic acid bacterium Lactobacillus wasatchii sp. nov. isolated from gassy Cheddar cheese was studied for growth, gas formation, salt tolerance and survival against pasteurization treatments at 63°C and 72°C. Initially, Lb. wasatchii was thought to only use ribose as a sugar source and we were interested in whether it could utilize galactose. Experiments to determine rate and extent of growth and gas production in carbohydrate restricted (CR) de Man, Rogosa, and Sharpe (MRS) medium under anaerobic conditions with various combinations of ribose and galactose at 12, 23, and 37°C were conducted with 23°C being the more optimum growt...
Subjects
free text keywords: nonstarter lactic acid bacteria, late blowing, ribose, cofermentation, Food Science
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Other literature type . 2015
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