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-   -   Does LME oxidize? (http://www.homebrewtalk.com/f39/does-lme-oxidize-199937/)

BrookdaleBrew 10-10-2010 03:51 PM

Does LME oxidize?
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.

Hammy71 10-10-2010 07:59 PM

Not sure if it oxidizes but LME's shelf life is a lot shorter than DME. Maybe you got an old batch.

avidhomebrewer 10-11-2010 01:03 AM

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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