Yeast are fairly simple, single-celled organisms. But their diversity, functionality, and ability to adapt is why humans, and especially winemakers love these fungi so much. Bob Peak takes us through several strains that winemakers should know are available.
Many wine experts are very skeptical about natural winemaking techniques. They say natural fermentations lead to unreliable or stuck ferments and regard doing away with sulfite additions — a requirement of certified organic wines in the United States — as handing over the wine to spoilage microbes. But in recent years, a small but growing number of winemakers are using less chemical intervention and turning it into commercial success. Their techniques vary,…