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Uses for Spent Yeast From Wine Making

2012-02-01   Views:4

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Yeast is an essential ingredient in wine making. Wine makers add yeast during the process to promote fermentation, which makes the alcohol in wine. Once the yeast is "spent"---which means it's no longer active--it becomes a sediment known as lees at

Uses for Spent Yeast From Wine Making

Yeast is an essential ingredient in wine making. Wine makers add yeast during the process to promote fermentation, which makes the alcohol in wine. Once the yeast is "spent"---which means it's no longer active--it becomes a sediment known as lees at the bottom of the wine making vessel. Some styles of wine are aged with this yeasty sediment in place, a process known as "sur lie," or "on the lees." Other wine makers will quickly remove the lees, which then become a waste product. But often that is not the end of their usefulness; lees can be used for several other functions.

Animal Feed

Spent yeast is most frequently used to supplement animal feed and some kinds of fish meal. It contains protein, carbohydrate and vitamins, so it's of considerable nutritional value. Because of its active ingredients, it's considered a probiotic supplement. After processing, it's fed to domesticated farm animals, such as sheep and beef cattle. There is an international trade in wine lees for this purpose.

Dietary Supplements

Spent yeast is particularly high in substances called beta glucans, found in the cell walls of the yeast. These can be used in dietary supplements. Manufacturers use either hot water and organic solvents, or an enzyme treatment to remove the beta glucans from the wine lees. When added to a supplement, these substances are said to stimulate immune response against infections and even cancer.

Tartaric Acid

Lees is just one of the waste products from wine making that can be used to recover calcium tartrate, a salt of tartaric acid. This substance is also extracted from spent grape skins after they have been pressed for wine. Tartrates are used as an additive in processed food, as they can have antioxidant properties, helping keep food fresh longer. They can also act as acidity regulators and as emulsifiers.

Uses for Spent Yeast From Wine Making

Uses for Spent Yeast From Wine Making

Category:FoodRelease time:2012-02-01Views:130

Yeast is an essential ingredient in wine making. Wine makers add yeast during the process to promote fermentation, which makes the alcohol in wine. Once the yeast is "spent"---which means it's no longer active--it becomes a sediment known as lees at[More]

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Carbon dioxide emissions are an inevitable by-product of wine making. As the yeasts transform the sugar in the grapes into alcohol, they will simultaneously release a small amount of CO2. For each gallon of alcohol produced, 2.85 Kilogram of carbon d[More]

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Depending upon where you live, pea gravel may be readily available in many sizes, or it might only be available in a limited number of sizes. Sizes refers to the average size of the small stones in the pea gravel. Typical sizes are 3/8 inch and 3/4 i[More]

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Classical Greek ceramics are the source of most modern imagery of ancient Greece and the Greek island civilisations. Greek painting has not survived; ancient vases, ewers and platters have, and their decorations reveal what the Greeks ate, how they d[More]

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Home wine making can yield some surprisingly full-bodied wines. However, most homemade wine is aged in glass carboys or glass bottles. The final product lacks the complexity of an aged-in-oak vintage wine. To combat this problem, the home vintner can[More]

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Sweet cherries, high in sugar and low in acid, are ideal for eating. They aren't best for making wine, according to Dr. Murli Dharmadhikari of Iowa State University Extension. Tart cherries, high in acid and low in sugar, are better, but for a balanc[More]

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Pomace is often discarded as an unwanted byproduct of winemaking. With a little creativity, however, winemakers can squeeze even more from their grapes. After winemakers squeeze the juice out of their grapes, they're left with pomace, the mass of ski[More]

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People have used wine bottle corks for hundreds of years to preserve wine. An estimated 13 billion wine bottle corks are produced each year and after serving their usefulness, the majority are discarded. Unfortunately, we only think of wine corks as[More]

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Let Fido express his creative side and help him make a paw print painting. With plenty of old newspapers to protect your floor, a piece of art paper and a willing participant, you could have a picture worth framing. The paint Fido walks through has t[More]

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Making wine involves a biological process in which yeast bacteria consume the sugar in grape juice and metabolise it into alcohol. For most wine production, this is a two-step process. The first step is a primary fermentation, in which yeast bacteria[More]

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If you enjoy learning about and tasting new wines, you may be tempted to make your own. Wine-making clubs may be a good option for those wanting to learn more about making their favourite red or white at home. Enjoy Socializing Joining a wine making[More]

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Instant dry yeast is a dry form of yeast added to flour for baking bread. Different from active dry yeast and cake yeast, you don't have to dissolve instant yeast in water before use. Sold in packets and cubes at grocery stores, dry yeast allows brea[More]

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When it comes to drinking wine, usually one thinks about the outcome of the vino itself, not just the wine bottle. However, you can recycle wine bottles into a variety of crafts in order to be environmentally friendly, as well as create unique decor[More]

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Airlocks work as one-way valves. The devices help to catch and dispose of the gasses that occur when fermenting homemade wine. They also prevent outside air from entering and contaminating the wine. They are essential yet simple tools, although deter[More]

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Wooden crates and boxes are used to package everything from cigars to wine bottles. While many people discard them after unpacking them, boxes and crates can actually provide a stylish and useful addition to the decor of any home. Under-Bed Storage M[More]

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Knuckle dusters, also called brass knuckles, are a type of weapon designed for wear over the fingers. Usually made of brass or aluminium, this type of weapon evolved from the ancient Roman cestus, a type of fighting glove. Having a knuckle duster in[More]

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Anything you can do with glass blocks indoors can also be done with them in the yard. Glass blocks provide privacy while letting both natural and artificial light through. Contemporary glass blocks come in every colour available and varying degrees o[More]

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Category:FoodRelease time:2012-05-11Views:130

Waxing the tops of corked wine bottles will help maintain the freshness and fragrance of a homemade wine. It also adds a little flair when the wine is being gifted to others. Sealing wine bottles with wax is easy to do at home. A drawback of adding w[More]

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Just as there are many different kinds of cheeses, there are many different kinds of cheese knives. While you could technically use any knife to cut any cheese, using the correct one will enhance your eating experience by presenting each variety in t[More]

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