The Wine Steward | News

 

 

   
 

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The Wine Steward
641 Main Street
Pleasanton, CA 94566
 


 
   



We’d like to explain why you are seeing screwcaps replacing natural corks on some of our offerings these days!

Many artisanal wine producers are courageously leaving behind the traditional cork in favor of the screwcap for one reason: To be sure that the wine they worked so hard to perfect stays that way until you’re pouring yourself a glass.

All natural cork contains traces of a bacterial compound known as Trichloroanisole, or “TCA” for short. When it occurs at a certain level (literally just a few parts per trillion) it imparts a “taint” to the wine. That is when we call the wine “corked”. In the early stages of TCA spoilage, only those especially sensitive to the taint can detect it. Rather than an aroma or flavor, there is initially only a “dumbing” of the wine’s original fruit character; it is simply not all that it should be. With more time, the spoilage develops to something almost anyone can sense: A “wet newspaper” mustiness that has completely replaced the wine’s original aromas and flavors. This is not damage you can actually see; other structural flaws are to blame for leaky or brittle corks.

Experts generally agree that TCA taint occurs to some degree in about one bottle of every case of wine sealed by natural corks. Unfortunately, many wine drinkers don’t recognize the signature smell and flavor of a “corked” wine and simply dismiss it as a poor effort. Consider the hardworking winemaker’s position: Wouldn’t you be anxious about the possible misjudgement of your product?

While efforts are being taken to “clean” natural corks of TCA during their production, the results of these are inconclusive thus far. Many winemakers are more confident in leaving corks behind until they are sure their wines won’t be hurt by them. Plastic corks and screwcaps are the best answers, with screwcaps perceived to be the better of the two for long term aging.

It’s not a cheaper choice, at least at the outset. Quality-minded wineries must actually invest to adjust their bottling programs to handle the new closures and threaded bottles. Most of the first to make “the switch” have been smaller producers. With closer ties to their consumers they can explain the move. However, we think it’s just a matter of time before many “higher-end” wineries are confident enough in consumer awareness to do the same.

While screwcaps may have meant “Cheap Wine!” to you in the past, we hope that we’ve helped you feel more confident about them – and the wine they’re protecting!

By the way, if you ever believe you have received a “corked” wine from us, please return the bottle along with the unused contents to us. Our vendors are aware of the possibility and enable us to replace it free of charge!

Thank you for your inquisitiveness and attention!



 
 

   
 
     

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