ocr: Yeast Yeast is a live fungus with nundreds of ditterent varieties. The yeast used inl baking is a different variety than that used in brewing, but the way they work is basically the same. Yeast cells consume fermentable sugars creating carbon dioxide and aicohol. There are two predominant yeast types used in brewing; ale yeast and lager yeast. Ale yeast (seccharamyces cerevisise) gathers at the top of the wort as it ferments and is best used at temperatures of 60-80°. Lager yeast (saccharamyces uvarum/ gathers at the bottom of the wort and operates at temperatures of 35-55. Wild strains of yea ...
