Wines & Vines

July 2013 Technology Issue

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BARRELS stainless steel hatches for loading or unloading the barrels. Tonnellerie Allary offers a 600-liter barrel equipped with a stainless steel door with a diameter of 220 millimeters. The barrel comes with a rack that can be equipped with casters for rolling, and the door can be installed on the head or the bilge. Seguin Moreau Napa Cooperage named its large 600-liter cask fermentor the "Micro-Vinificator" and describes it as the The rotary oak fermentor by Fabbrica Botti Gamba is equipped with a fermentation lid. "ideal compromise" between the benefits of fermenting in wooden vats and the control of barrels. The Seguin Moreau model is similar to the other large formats except it has steel paddles on the inside that help break up the cap as the barrel turns. Italian cooper Fabbrica Botti Gamba offers large-format oak vessels for fermentation in 400-, 500-, 600- and 700-liter capacities. Because oak offers some oxygen permeability, Gamba says the large-format barrel leads to less reductive aromas and improved fermentation because the yeast is in the presence of some oxygen. Fermentation trials conducted by the cooper also indicated that temperatures inside the barrel never went higher than 82ºF. Jeff Ghidossi, the cooper's U.S. representative, said the rack is equipped with a drive bolt so the vessel can be rotated with a power drill. "There is some benefit to the wood-to-wine ratio on larger vessels, though that is a winemaker's stylistic choice," he said. While still more laborious and time consuming than fermenting fruit in a tank or a bin, barrel fermentation is getting a little easier thanks to coopering innovaAd380-9_MuellerQtrPgBW_Layout 1 5/23/13 12:16 PM Page 1 tions. NOW IN STOCK Mueller® Wine Barrels Our premiere stainless steel wine barrels are in stock for immediate shipment. 1-800-MUELLER • sales@paulmueller.com ©2013 Paul Mueller Company 380-9 Win es & Vi n es JU LY 20 13 45

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