CWD: 2014 Pépière Muscadet de Sèvre-et-Maine Clisson

But the 10% of the wine under cork will still have whatever the taint rate is and since those wines will likely be the wines you buy, your taint rate won't go down.
 
originally posted by Pavel Tchichikov:
originally posted by Oswaldo Costa:
We can only ever hope to agree on ideal closures

For which wines? Take e.g. SC: some are doing brilliantly, some are a disaster. From same grape/country.

As I see it, that's the wrong question. The right question is what is the common feature of the ones doing brilliantly (if there is one, or more) and what is the common feature of the disasters (if there is one, or more).

In my "ideal wine world," the winemaker would decide (e.g., Jeff's write-up about Ponsot) what ingress they want, given the nature of the wine in question (as they call it), and then they pick the closure that will give them that.

For example, if a winemaker bottles the wines reduced, to minimize SO2, then an airtight SC won't do the wine any favors, and a SC designed for tiny ingress might be ideal.

As I see it, anything is better than the unpredictability of a natural cork. Not just from bacteria, but from variable ingress. It's pure Russian (wink) Roulette.
 
originally posted by Jonathan Loesberg:
But the 10% of the wine under cork will still have whatever the taint rate is and since those wines will likely be the wines you buy, your taint rate won't go down.

I don't think that's true. There is general acknowledgement that the rate of corked wines went up a lot in the 90s and 00s as general demand for cork went up and marginal corks went on the market. Let cork become a premium product, perhaps even subject to individual testing, and become the stopper of choice for wines for aging.

I think the same thing goes for air ingress. Just look at the corks on any somewhat decent Bordeaux - they have a solid tradition of higher quality corks - minimal veins, etc. You regularly see variable rates of wine running up the sides of corks on older wines with crappy corks, but higher quality Bordeaux style longer corks almost always have fairly uniform soaking up the sides...
 
originally posted by BJ:
I don't think that's true. There is general acknowledgement that the rate of corked wines went up a lot in the 90s and 00s as general demand for cork went up and marginal corks went on the market.
Is there? That would be news to me and doesn't make any sense. Marginal corks can account for a lot of faults, but why would TCA be one of them? It's a chemical taint that is just as capable of infecting a good cork as a bad one.
 
originally posted by Keith Levenberg:
originally posted by BJ:
I don't think that's true. There is general acknowledgement that the rate of corked wines went up a lot in the 90s and 00s as general demand for cork went up and marginal corks went on the market.
Is there? That would be news to me and doesn't make any sense. Marginal corks can account for a lot of faults, but why would TCA be one of them? It's a chemical taint that is just as capable of infecting a good cork as a bad one.

TCA taint can be drastically reduced if not eliminated by switching from chlorine-based sterilization agents to things like ozone and peroxides (reactive oxygen species) that don't introduce chlorine. My understanding is that, since the early aughties, cork manufacturers have moved away from chlorine-based sterilization agents, but I am certainly no expert on the cork industry.

Mark Lipton
 
But Mark's point doesn't go to BJ's. I have noticed less cork taint in my own cellar in bottles from around 00 and later. But whatever the percentage of corked bottles there are, there will be the same percentage if one uses fewer corks among those bottles that are under cork, which was what I said, what BJ contested, and what Keith also attested.
 
Unless part of the additional expenditure on corks includes greater testing on the part of the winery to identify tainted batches thereby reducing the percentage of tainted corks used
 
originally posted by Jay Miller:
Unless part of the additional expenditure on corks includes greater testing on the part of the winery to identify tainted batches thereby reducing the percentage of tainted corks used

But they could do this now, I assume. I guess if wineries used only one-tenth the corks, they could do it more easily, but this still assumes an extra activity and not merely a reduction in the number of corks used.
 
The Diam guy himself said in the interview that the TCA rate of real corks is going down now that the pressure on cork harvest is going down...
 
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