“Is wine good for you?” – perhaps one of the top 10 most regularly asked questions in our wine tasting events. It’s always interested me that this question is at the forefront of many wine drinker’s minds, and it’s clear this is linked to the increasing interest in what goes into wine, and how it is produced.

It’s regularly notedthat wines (particularly reds), when consumed in moderation help combat cardiovascular disease, certain types of cancer, and even Alzheimers. Epidemiologists for instance have consistently shown that the moderate consumption of alcohol and wine helps lower cardiovascular events such as heart failure. Why? Well although alcohol is a toxic substance, in moderation amongst other things, it is an anticoagulant (which in turn prevents blood clots).

It’s not only alcohol however – phenolic compounds present in wine are also known to be beneficial. One of these, Resveratrol (seemingly the wonder compound) seems to have an extraordinary breadth of benefits, from attacking cancer cells, protecting the heart and brain from damage, reducing inflammation, and lowering the instances of diabetes. Resveratrol has even been credited with reducing age related illnesses. Interestingly, 100 times more resveratrol is absorbed by the mouth than by the stomach. Because of this, it’s recommended you sip wine, rather than knock it back.

On this point, it’s not just how much you drink, but how you drink that matters. A further study (in Italy) has shown that consuming wines with a meal significantly reduces the risk of a heart attack.

THE FRENCH PARADOX

The perceived benefits of wine drinking are not new however. The well known French Paradox (essentially the observation that the French have a relatively low incidence of coronary disease, despite having a diet rich in fat) was first brought to light by an Irish doctor by the name of Samuel Black in 1819.

This phenomenon was revisited in 1991 on 60 Minutes, a CBS news program in USA, with the suggestion that red wine decreases the incidence of cardiac arrests. The follow-on? A 44% increase in red wine consumption, with US based wineries lobbying for the right to label their wines as “health foods.” The reaction from the American public was so great that wine brand Gallo had to put their Hearty Burgundy wine on allocation.

Inevitability, there have been dissenting voices, not least the statistics collected between 1990-2000 by The World Health Organisation who have shown coronary disease in the French may have been underestimated, and may be similar to those of neighbouring countries in Europe.

Despite all the research, as usual it’s all about moderation. Moderate drinkers have been defined by some as those who consume two 5 ounce glasses of wine a day, although sex, age, build, and general health all make generialisations risky. We know where the limits are – go overboard and all the adverse effects of excessive drinking are yours for the taking (liver disease, pancreatitis, cardiovascular disease..).

The future for wine and health? Well just last year in 2008, Philip Norrie, a Sydney based winemaker, created a wine with 100 times more resveratrol than standard wine. He calls it a “vascular pipe cleaner” – watch this space.

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A wine begins its koshering once plucked from the vine, as it is sown and cultivated in the same way as other wines. It may be picked by anyone, not necessarily a kosher or Jewish person. The grapes to be used for the wines are then taken to the winery, where they are crushed. This process needs to be performed under a rabbi’s supervision. The rabbi physically tips the grapes into the crusher and sometimes operates the necessary equipment. This is an integral requirement for a kosher wine’s production.

The barrels in which the kosher wines are to be fermented need to be judged worthy for such a use. After the grapes have been crushed under rabbinal supervision, the rest of the process and even the handling of the grapes and juice need to be performed by a Jewish person that observes the Sabbath faithfully. Even thought the rabbi does not necessarily need to be involved in the wine-making process, he does need to oversee the entire progression to the final product. Kosher wines even need to be opened by a kosher waitron. None of the work involved in producing a kosher wine may be done on the Sabbath.
 
Meshuval wines are kosher wines that have been flash-pasteurized by boiling (or nearly boiling) and cooling them very rapidly. Advanced technology means that there is very little, if any, difference to the taste of these wines kosher wines compared to non-meshuval wines. Pasteurising the wine in this way renders it kosher immediately, regardless of how it is handled thereafter. In South Africa, though, meshuval wines are rare and are more common in North America and Israel. The rabbi would operate the pasteurization equipment.
 
The wines carry an official seal of approval called the hechsher. The reason that a wine has to be deemed kosher (since it contains none of the forbidden foods of Judaism) is owing to its important role in non-Jewish religions. Using it for these purposes is considered to be idolatry. Therefore, wines need to be kosher to ensure that they are free from any form of idolatry before being consumed by a Jewish person. Of course, kosher wines can not contain anything that is derived from a non-kosher source, such as gelatine or isinglass.
 
South Africa, along with a few other countries around the world, has recently seen an increased demand for kosher wines. This may be related to the fact that methods for ensuring correctly koshered wines are becoming more widespread.
 
In South Africa, good quality kosher wines are available from Norman Goodfellows, Kleine Draken and Nwanedi. Some recommended vintages include:
 
· Eshkol Shiraz 2003 – the Eshkol Winery in Paarl produces excellent kosher wines.
· Welnerberg Cabernet Sauvignon 2005 – From South Africa’s Swartland, this full-bodied red is ideal for red meat dishes.
· Welnerberg Pinotage 2005 – this wine enjoys fruitier flavors and a slightly lighter body.

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