Choosing which type of yeast to use for the fermentation, when making wine, is a crucial decision for winemakers. They can choose to ferment “spontaneously” or buy cultured yeast. The issue has been ...

A single grapevine teems with life. There's the fruit, of course, but I'm mainly talking about the tens of millions of microscopic bits of yeast, fungi and bacteria clinging to the ripe grape skins.

The species of yeast known as Saccharomyces cerevisiae—often referred to as "brewer's yeast"—has been harnessed by humans since ancient times; with different strains used to make various types of ...