What You Need to Know
A yeast is any species of fungus that grows primarily in a unicellular form and reproduces via budding or fission. Yeasts are eukaryotic microorganisms that originated hundreds of millions of years ago, with at least 1,500 species currently recognized. They constitute about 1% of all described fungal species.
Key Parameters
Equipment
proofing boxdough scraperbannetonfermentation lock
Steps
- 1.
Sourdough bread (Ancient Egypt): Wild yeast fermentation creates characteristic tang and open crumb structure
- 2.
Sake (Japan): Parallel fermentation converts rice starches to sugars then alcohol
- 3.
Kombucha (China): Symbiotic culture of yeast and bacteria produces effervescent probiotic drink