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What's changed in Pure Pot Still in the last 20 years?

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Re: What's changed in Pure Pot Still in the last 20 years?

Postby Pudge72 » Wed Nov 21, 2012 4:27 am

Awesome discussion on the yeast question...very interesting :geek: .
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Re: What's changed in Pure Pot Still in the last 20 years?

Postby old bridge » Wed Nov 25, 2015 10:20 pm

3 years on.....
Have anybody who were going to ask somebody about yeast/cask influence on taste, got any wiser? This is a fascinating topic and I hope for some interest.
Yeastwise my feeling is that the type of yeast used, and the length of the fermentation is important in the development of esters and aldehydes in the newmake. Also the making of the cut will have an impact, but with triple distillation I don't know how much.
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Re: What's changed in Pure Pot Still in the last 20 years?

Postby Good Whiskey Hunting » Thu Nov 26, 2015 12:23 pm

Great second revival for the topic.

In the years since this started I've tried many different older Whiskeys. That musty taste is more prominent in the Dublin Whiskeys from my experience. Older Paddys didn't have it to the same extent as Jamesons.

I've noticed it in varying degrees with Redbreasts from 60-70's.

It led me to another idea on it. I think there's a combination of things happen. The watering down from cask strength to bottle strength would introduce certain minerals etc. I'm assuming nowadays this is much more efficient.
That musty note could be caused by the interaction of the water and changes in composition and decomposition over time.

It varies from bottle to bottle and over time from the bottles I've tasted. Could certain aldahides/minerals/lactones/esters/congeners in the whiskey be also affected by storage condition and light interaction with these?

I've more of a "database" now and will definitely contact Distillers to get to the bottom of this. More research is needed. ;)
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Re: What's changed in Pure Pot Still in the last 20 years?

Postby Good Whiskey Hunting » Mon Nov 30, 2015 12:19 am

I'm after finding about 70-80mls of old Green Spot. It's has been lying in a dry lit cabinet for about 18 months.

The strange thing about it is the musty notes reference into this tread are more evident with the oxidation, although it's still faint. The liquorice notes are more pronounced too. There has to be a connection.
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