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Making a bentonite slurry for fining after wine pressing. The main uses of bentonite are in drilling mud and as a binder, purifier, absorbent, and carrier for fertilizers or pesticides. As of around 1990, almost half of the US production of bentonite was used as drilling mud. Minor uses include filler, sealant, and catalyst in petroleum refining.
Bentonite Fining of Juice and Wine, by Bruce Zoecklein, Virginia Cooperative Extension Service, pub. 463-014, 1988; Common Wine and Beer Finings; Colloidal stabilisation of beer, The Brewer International, Jan 2002; Fining Agents for Wine Archived 2006-09-13 at the Wayback Machine, by J.R. Morris and G.L. Main, Proceedings of the 14th NM ...
The finings flocculate the live yeast in the beer into a jelly-like mass, which settles to the bottom of the cask. Left undisturbed, beer will clear naturally; the use of isinglass finings accelerates the process. Isinglass is sometimes used with an auxiliary fining, which further accelerates the process of sedimentation.
A slurry composed of glass beads in silicone oil flowing down an inclined plane Potato starch slurry. A slurry is a mixture of denser solids suspended in liquid, usually water. The most common use of slurry is as a means of transporting solids or separating minerals, the liquid being a carrier that is pumped on a device such as a centrifugal pump.
Pulverized minerals and solid materials can also be used, with bentonite clay being one of the most common, thanks to its effectiveness in absorbing proteins and some bacteria. Activated carbon from charcoal is used to remove some phenols that contribute to browning as well as some particles that produce "off-odors" in the wine. [4]
Adding beer, instead of water, to chili during cooking is popular. An overnight marinade of chicken, pork or beef in beer and spices is another example. Specialist cooking wines , liqueurs , vermouths and eaux de vie are widely used by professional chefs to enhance flavour in traditional and modern dishes.
Potato starch slurry Roux. A thickening agent or thickener is a substance which can increase the viscosity of a liquid without substantially changing its other properties. Edible thickeners are commonly used to thicken sauces, soups, and puddings without altering their taste; thickeners are also used in paints, inks, explosives, and cosmetics.
These particles react with tannins to create a cloudy, hazy appearance in the wine. This condition is rectify with the use of a fining agent, such as bentonite, to remove the proteins. Puncheon An oak wine barrel with the capacity of 119 gallons (450 liters) Pupitre An A-frame rack used in the production of sparkling wine. The drilled holes in ...