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Old 10-10-2010, 03:51 PM   #1
Nov 2008
Posts: 833
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Since LME is just condensed wort, does it oxidize from oxygen exposure?

I'm just curious because I switched to AG a while ago, but recently brewed an oktoberfest ale extract batch for a party to save some time and I notice it seems to have that "stale" taste to it.

I definitely don't get this with my AG brews, so I was just wondering if it's possible that the LME I used was already oxidized before I even brewed my beer?

I know my procedure is sound, so I don't think I introduced oxygen into this beer myself. I suspect that the LME was stale.

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Old 10-10-2010, 07:59 PM   #2
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Sep 2008
, Maryland, The Tax Me State
Posts: 5,908
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Not sure if it oxidizes but LME's shelf life is a lot shorter than DME. Maybe you got an old batch.

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Old 10-11-2010, 01:03 AM   #3
Sep 2007
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I would think it can. If you need to store any for any period of time (now that you switched to AG), put a layer of vodka over it, cover, and put in the fridge.

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