On average, within what timeframe do you drink wine after purchasing it?
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corkscrew
Joined: Feb 04, 2005
Posts: 0
Location: admin
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  Posted:
Feb 13, 2007 - 02:42 AM |
 
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| Post subject: Grape expectations for healthier wine |
I found this article in the internet -very interesting! Would be happy if anyone else out there would submit similar articles...
A new technique that uses ozone to preserve grapes could help prevent allergies and boost healthy compounds at the same time, reports Jennifer Rohn in Chemistry & Industry, the magazine of the SCI. The same technique could be used in the wine-making process to produce healthier wines without the added sulphites that can cause asthma and other conditions in some people.
Mass-marketed grapes can remain in storage for months and are usually treated with sulphur dioxide to prevent decay. Although the sulphur dioxide is effective, it is corrosive and can cause severe allergic reactions in some people. Wine-makers have a similar problem in that the sulphites added to wines to prolong their shelf-life and allow them to age can make their wines unpalatable to some drinkers.
Francisco Artes-Hernandez and his team at the Technical University of Cartagena in Spain compared several different preservative methods with a new technique that involves exposing macroperforated packages of grapes at 0 degress C to cycles of 0.1 micro liters per liter of ozone. They found that ozone treatment was 90% as effective as SO2 at preventing decay. In addition, ozone-treated grapes had up to four times more antioxidants than untreated grapes (Journal of the Science of Food and Agriculture, doi 10.1002/jsfa.2780).
It is not yet known why antioxidant levels increase, but because these compounds are up-regulated in response to environmental stress in plant cells, it could be that the ozone is perceived as a biochemical insult.
Andrew Waterhouse, Chair of the Department of Viticulture at University of California, Davis, said that because wine growers don't store grapes for prolonged periods, they are unlikely to use ozone in any preservation process. He agreed, however that the ozone process could be tweaked to replace problematic sulphites added to wine during the liquification process, presenting the possibility of healthier more hypoallergenic wines.
Antioxidants, natural compounds found in red wine, chocolate, coffee and many fruits, are believed to help prevent a variety of diseases including cancer and neurodegeneration. Source : Society of Chemical Industry |
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kiwi
Joined: Jan 23, 2007
Posts: 136
Location: Sydney, Australia
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Feb 13, 2007 - 03:06 AM |
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full-bodied
Joined: Aug 11, 2006
Posts: 112
Location: Munich, Germany
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Feb 19, 2007 - 03:57 AM |
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THis article was sent to me via email some time ago...
Red Wine - Heart Health benefits?
Written by Gloria Tsang R.D.
Does red wine protect against heart disease? Maybe. Many studies investigated the benefits of red wine suggested that moderate amount of red wine (one drink a day for women and two drinks a day for men) lowers the risk of heart attack for people in middle age by ~ 30 to 50 percent. It is also suggested that alcohol such as red wine may prevent additional heart attacks if you have already suffered from one. Other studies also indicated that red wine can raise HDL cholesterol (the Good cholesterol) and prevent LDL cholesterol (the Bad cholesterol) from forming. Red wine may help prevent blood clots and reduce the blood vessel damage caused by fat deposits. Indeed, studies showed that people from the Mediterranean region who regularly drank red wine have lower risks of heart disease
What's in Red Wine that are good for heart?
Red wine is a particularly rich source of antioxidants flavonoid phenolics, so many studies to uncover a cause for red wine's effects have focused on its phenolic constituents, particularly resveratrol and the flavonoids. Resveratrol, found in grape skins and seeds, increases HDL cholesterol and prevent blood clotting. Flavonoids, on the other hand, exhibit antioxidant properties helping prevent blood clots and plaques formation in arteries. |
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SandyW
Joined: Sep 15, 2006
Posts: 75
Location: Ventura, CA
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Sep 20, 2007 - 11:19 AM |
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I really enjoy the above articles. Please keep them coming. |
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SandyW
Joined: Sep 15, 2006
Posts: 75
Location: Ventura, CA
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Jan 31, 2008 - 10:22 AM |
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As I mentioned before, I liked all these articles. Lately, it looks like that eBacchus is showing new essays & articles under home page/wine information/wine and health? |
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GB
Joined: Dec 01, 2005
Posts: 227
Location: Thousand Oaks Calif
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Feb 19, 2008 - 11:54 AM |
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Thanks for pointing out these new sections. Always enjoy reading about this material re: wine and health |
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RedRedWine
Joined: Sep 19, 2007
Posts: 113
Location: Houston, TX
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Apr 11, 2008 - 02:48 PM |
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If you are looking for Healthier Wines, wouldn't this fall under the section of Organically Grown Wines? |
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Bryan
Joined: May 22, 2006
Posts: 116
Location: Ventura, CA
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Apr 30, 2008 - 03:21 PM |
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Really enjoyed reading the above articles re: "Grape Expectation For Healthier Wine". Are there more writings out there? |
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Silvia
Joined: May 22, 2006
Posts: 108
Location: Westlake Village, CA
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June 16, 2008 - 05:16 PM |
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Over the last few weeks, I have been checking re: healthier wines. Sorry to say, I didn't find much. |
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mikeh
Joined: May 10, 2008
Posts: 92
Location: Miami, FL
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July 01, 2008 - 08:56 PM |
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San Francisco restaurants are now saving their food leftovers for compost, and selling it as fertilizer to the wineries. Allegedly, this should create Healthier Vines & Wines. |
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GB
Joined: Dec 01, 2005
Posts: 227
Location: Thousand Oaks Calif
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July 20, 2008 - 10:31 PM |
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Is this along organically grown wines? Are these vines healthier? |
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Rose
Joined: Mar 25, 2008
Posts: 101
Location: Isny
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Aug 01, 2008 - 11:46 PM |
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Don't know, but teaching institutions like UC Davis in Northern California, offer all types of classes and essays about, how to produce "Healthier Vines & Wines. |
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RockyMtnWino
Joined: Sep 19, 2007
Posts: 103
Location: Colorado
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Sep 01, 2008 - 10:33 AM |
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Interesting reading about "Ozone Treatments", and also "Red Wine - Heart Health Benefits"
The latter article about Red Wine Benefits, should also be shown under Resveratrol, helpful for all wine friends. |
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MrG
Joined: June 03, 2006
Posts: 126
Location: Agoura Hills, CA
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Sep 18, 2008 - 12:02 AM |
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Thanks a lot for all your postings. Really enjoy the readings of the above articles. Keep them coming, I would like to read more about "Healthier Wines" |
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RhondaM
Joined: Aug 20, 2008
Posts: 94
Location: Melbourne, Australia
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Oct 17, 2008 - 04:19 PM |
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I also really enjoyed reading the above articles. During my travels I am learning that more vineyards than ever, are considering "Healthier and Organically Grown Wines" |
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