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Wine Health with Bex Bishop, Winemaker at BX of Napa


Recycled Grape Guts Go Green

I wanted to make "chardonnay shots" out of the wine slime that remains in the tank after the yeast and sediment settle and the wine is racked off. It tastes like a delicious protein filled yogurt shake, though a bit scary in color! Here, Oregon State researchers are finding ways to use the pomace! Let no part of the grape go unused!

Researchers turn winemaking trash into potential treasure

Pomace, the waste from wine processing, could be a fine new way to turn a profit for winemakers, according to Oregon State researchers.

While you're recycling the bottle and cork of that full-bodied, peppery shiraz, food scientists at Oregon State University are working on recycling pomace — waste from processing grapes into wine.The industry has to deal with more than 4 million tons of grape pomace a year, according to a press release from OSU

Mostly, the wineries pay to remove their waste, but some is used for crop fertilizing and feeding cows.But now, OSU researchers have found all sorts of uses for the stems, skins and seeds that are the detritus of wine production."We now know pomace can be a sustainable source of material for a wide range of goods," said researcher Yanyun Zhao, a professor and value-added food products specialist with the OSU Extension Service. "We foresee wineries selling their pomace rather than paying others to dispose of it. 

One industry's trash can become another industry's treasure."The researchers experimented with waste from pinot noir, merlot, Morio muscat and Müller-Thurgau grapes — paying attention to the difference between red and white grapes' processing treatments that result in variance in sugar, nitrogen and other chemicals in the pulp content.

The team took the pomace, which is chock-full of dietary fibers and phenolics (chemical compounds that act as antioxidants), and transformed it into powders which can be used in foods.For those who are gluten-free, the powders could be quite a breakthrough. When the researchers added it to muffins and brownies, it increased the fiber and antioxidant levels of the goods, plus decreased the need for traditional flour by 15 percent. They are continuing experiments with the pomace powder in yeast breads.

"Adding fiber-rich ingredients can change a dough's absorption qualities and stiffness," said OSU cereal chemist Andrew Ross. "We're trying to find the right balance of pomace in dough while measuring the bread for its density, volume, color and taste. Commercial bakeries need this information before using pomace flour for large-scale production."Adding the powder to yogurt and salad dressings resulted in slowing microbial growth and the breakdown in fats. In other words, it produces a longer shelf life for the products, with bonus dietary fiber.

For fruits and vegetables, the researchers created stretchable, "colorful, edible coatings and films," which also controlled certain bacterial growth, added antioxidants and slowed the drying process.Beyond foodstuffs, the researchers experimented with making biodegradable boards, which handily could be made into "containers, serving trays and flower pots." The pots degraded well in the soil, taking only 30 days to compost by 50-80 percent.

For wineries, especially in the Pacific Northwest and California, the researchers' work can only be good news. According the university press release, "Now, OSU is seeking to establish partnerships with companies interested in marketing the products it developed."

TN Debate on Wine Sold in Grocery Stores - Creates Alcoholics?

Personally I believe this is a selfish case of business owners and government trying to protect their own interests, 3 tier systems, middlemen, old guard and siting unproved "greater good" arguments. Of course the liquor stores and owners of them who are on the government boards don't want wine distributed in grocery stores, but it IS more convenient for the customer. And really, wine in grocery stores rather than liquor stores will cause alcoholism? Please run that research and get back to us. 

Also note that Costco across state borders charges more for wine than in-state liquor stores, and the allowance of wine in grocery stores would also lead to better prices for consumers in-state.

Wine-in-grocery-stores debate: claims vs. facts
To hear one side tell it, if the state's grocery stores sell wine, Tennessee will see more alcoholics, more underage drinking and the collapse of countless small liquor stores.The other camp predicts an economic shot in the arm, stoking wine sales to new highs and making Tennessee the purchasing destination for wine lovers who live near state borders.State lawmakers are debating yet again legislation that would allow food sellers to also sell wine.

• Sales of wine in grocery stores will lead to more alcoholism.
Last week, Vanderbilt University psychiatry professor Peter Martin testified to senators that allowing grocery and convenience stores to sell wine would ultimately increase the rate of alcoholism in the state.

• Convenience and grocery stores aren't as diligent in checking identification, so selling wine there will increase underage drinking.
In recent months, Madison County Sheriff David Woolfork has been outspoken against bringing wine sales to food stores. Woolfork said his officers have seen firsthand the impact alcohol can have on underage drinkers. He believes the measure would worsen the problem.

• If shoppers are allowed to buy wine at the same time as their food, then wine and spirits stores will lose money and be forced to close.
"If people buy more wine, that purchase comes out of their discretionary income," he said. "If I choose to buy a bottle of wine, then I will choose to not buy something else. I won't buy a movie ticket. I won't go out to dinner."

• Tennessee is losing tax revenue from shoppers who live near the border with states that allow grocery stores to sell wine.
If shoppers don't live far from wine-selling groceries across state borders, they will drive a little farther and spend their money out of state, the grocery lobby contends. 

A check Friday showed that at that Costco store across the Georgia line, a bottle of St. Francis cabernet sauvignon was $14.99 plus 7 percent sales tax. The same bottle at Riverside Wine, Spirits and Beverages in Chattanooga was $19.99 plus 9.25 percent tax. An Erath pinot noir cost $14.99 at the big-box store, $19.99 at the wine store.