Fermenting wine takes oak barrels, stainless-steel tanks and "concrete eggs." Yes, concrete eggs. European wineries have a long history of using these unusual-sounding tools, and more American ...

An egg-shaped concrete fermentation tank at Chateau du Terte in Arsac, (Bordeaux) France. (AP Photo/Eric Risberg) Ceramic clay used for wine fermentation, storage, and as a transport vessel is as ...

I know, eggs to age wine sounds a bit off the wall, but some of the most influential names in winemaking are now using them. And while these concrete eggs are a modern innovation in winemaking ...

Disadvantages include concrete’s sheer mass (special forklifts are needed to move concrete tanks, which come in cube, cylinder and egg shapes), its fussy cleaning regimen (many techniques that work ...

Like oak, concrete allows for some oxygen transfer, so there is an impact on texture and body, but because the vessel is neutral, there’s no change to the wine’s inherent flavor.

The prototype, like concrete egg-shaped fermenters, is based on ancient vessels used for wine. According to Wine Folly, which cites the National Academy of Sciences, these oblong containers date ...

The prototype, like concrete egg-shaped fermenters, is based on ancient vessels used for wine. According to Wine Folly, which cites the National Academy of Sciences, these oblong containers date ...

Concrete eggs do not impart any flavors to the wine as oak does, but they are slightly porous letting in a very small amount of oxygen, and they soften the texture of the wine. This lovely wine ...

Fermented in egg-shaped concrete tanks and demi-muids (double-size oak barrels), then aged six to nine months, this 100 percent Marsanne wine has a nose of Anjou pear, jasmine, and crushed oyster ...

SAPPORO, Japan -- A company in Hokkaido plans to mass-produce fermentation tanks made out of concrete, but first the vintages made in the egg-shaped receptacles must pass muster with sommeliers.

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