Torula

Torula is a genus of wild yeasts that are imperfect, never forming sexual spores.

…such as Saccharomyces kefir and Torula kefir. Kefir fermentation is mesophilic, meaning it does not require the higher temperatures needed for yogurt production. At room temperature, the lactic-acid bacteria and yeasts of the kefir grains reproduce very rapidly, potentially doubling their population every 20 minutes. The many minute by-products that…