A yeast culture is a pure sample of a strain of yeast. Achieved by plating from dilute slurry onto agar. This yields a pure colony grown from a single cell, which can be used to grow up a new yeast starter as required. A culture an also be stored in a yeast bank for a number of years as insurance ...
Reusing yeast at home is something I'm incredibly interested in, but haven't found the time to learn enough about it just yet. What are the basic steps for harvesting, cultivating, or whatever other ...
Canning is often used to preserve foods: the microorganisms inside mason jars are killed by a boiling water bath and sealed when removed. Small amounts of unfermented wort are useful when yeast ...