The vast majority of modern commercial supermarket wine is an industrial chemistry product. To ensure that bottle number 500,000 tastes identical to bottle number one in Tokyo, London, or New York, commercial wineries sterilize the grape must with heavy sulfur dioxide doses, inoculate it with lab-synthesized commercial yeast strains (designed to pump out artificial passionfruit or vanilla esters), and fine the liquid using bentonite clay and synthetic filters[1].
The result is a beverage that is technically faultless and spiritually completely dead: a beverage stripped of the geographical, microbial, and seasonal memory known as terroir.
The Microbiome of the Ambient Ferment
Pioneered by French chemist-vigneron Jules Chauvet in the Beaujolais during the 1970s, the natural wine discipline operates on a radical premise: the vine, the soil, and the cellar air already contain everything necessary to produce transcendent wine[2].
On an un-sprayed organic vineyard, the grape skins (the bloom) are home to dozens of indigenous non-Saccharomyces yeast species (such as Kloeckera and Candida). When grapes are foot-crushed and placed in neutral wooden foudres, these wild strains initiate spontaneous fermentation in succession, contributing complex floral, earthy, and mineral notes before the alcohol-tolerant Saccharomyces cerevisiae takes over to complete dry conversion.
"Wine is the memory of the sun and the stone, preserved by living microbes. When you kill the microbes with chemicals to ensure safety, you murder the messenger." — Jules Chauvet, Scientific Studies on Natural Vinification (1984)
Embracing the Vintage as a Living Diary
Industrial wine fears vintage variation because consumer markets demand predictability. The gentle man, however, treasures vintage variation.
A hot, drought-stressed summer produces a dense, phenolic, concentrated vintage; a cool, rainy autumn yields a light, high-acid, translucent wine with delicate floral tension. To drink living wine is to commune directly with the specific climatic reality of a hillside in Burgundy, the Jura, or Etna from a specific year. It teaches patience, attentiveness, and acceptance of nature's fluctuating bounty.
Sources & Further Reading
- Chauvet, Jules (1984). Études scientifiques sur la vinification naturelle et les levures indigènes. INAO Technical Report, Paris. [Primary Scientific Treatise]
- Bokulich, N. A. et al. (2014). Microbial Biogeography of Wine Grapes is Conditioned by Cultivar, Vintage, and Climate. Proceedings of the National Academy of Sciences (PNAS), 111(1), E139–E148. [Peer-Reviewed Genomic Study]
- Legeron, Isabelle (2014). Natural Wine: An Introduction to Organic and Biodynamic Wines Made Naturally. London: CICO Books. [Authoritative Manual]