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- Jan 23, 2008
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Kaiser said:Nice article. I'm reading it right now.
It makes me wonder if we would have been bashing this method if the findings would have come from an AB lab and not from New Belgium. If its a mirco brewery it seems to be ok to say an "increase in esters was considered by the brewery to be a positive change because of the potential to mask staling flavor compounds"
Kai
Kaiser said:The article got me thinking about my process though. I use the O2 wand to oxygenate the wort and get the whirlpool started at the same time. After that the wort may sit for 30min up to a few hours until I transfer to primary and pitch the yeast.
Since I'm oxygenating the wort during that time I might be better off aerating immediately before adding the yeast. Not sure if that matters, but I do have a sporadic taste issue with my beer that I have not found the root cause for.
Kai
Boerderij Kabouter said:Why does your wort sit for a few hours before you pitch your yeast? I normally, aerate just before I pitch. Any reason for the wait?
Kaiser said:I need at least 30 min for the whirlpool rest. And since I'm fitting brewing into a family life I may not be able to attend my wort until the kids are in bed or other chores are taken care of. So far I thought it was safe to let the wort sit for a while. I don't worry about infection since I cool the wort while the lid is on and my lagers are chilled below 50 *F anyway which makes it very unlikely for an infection to take hold.
Kai
Dude said:Is that where you are getting your DMS?
I don't like that your wort is sitting covered like that. I think DMS can still "form" at that stage.
Re: the topic, without having read the thesis, what does this do for head retention?
Dude said:Is that where you are getting your DMS?
I don't like that your wort is sitting covered like that. I think DMS can still "form" at that stage.
Apparently there is no negative effect on head retention. The amount of oil is very small and it mostly gets assimilated by the yeast. The remainder probably either floats on the surface (and doesn't get racked) or sticks to the walls of the fermenter.Dude said:Re: the topic, without having read the thesis, what does this do for head retention?
Is it finished now? Or are you still in the tedious stages of final writing (hence your comment)? If it is done, congrats!ColoradoXJ13 said:only 35 pages for a masters thesis and basically one experiment...ugh, I think I made a mistake with the Ph.D.
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