publication . Conference object . 2015

Effect of heat treatment on brewer's yeast fermentation activity

Kharandiuk, Tetiana; Kosiv, Ruslana; Palianytsia, Liubov; Berezovska, Natalia;
Open Access English
  • Published: 01 Jan 2015
  • Publisher: Lviv Polytechnic Publishing House
Abstract
The influence of temperature treatment of brewer's yeast strain Saflager W-34/70 at temperatures of -17, 20, 25, 30, 35, 40 °C on their fermentative activity was studied. It was established that the freezing of yeast leads to a decrease of fermentation activity in directly proportional to the duration way. Fermentative activity of yeast samples can be increased by 20-24% by heat treatment at 35 °C during 15-30 minutes.
Subjects
mesheuropmc: food and beverages
free text keywords: high gravity brewing, heat treatment, brewing yeast
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