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Yeast and Fermentation
Lacto and whirlpool hops
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Topic: Lacto and whirlpool hops
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Stevie
Official Poobah of No Life. (I Got Ban Hammered by Drew)
Posts: 6858
Lacto and whirlpool hops
«
on:
July 07, 2016, 12:52:56 pm »
I totally get that lacto can be very sensitive to hops, but is it simply boiled hops? Would whirlpool hops added at a low temp be fine?
I'm not interested in kettle/mash souring.
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majorvices
Global Moderator
I must live here
Posts: 11349
Polka. If its too loud you're too young.
Re: Lacto and whirlpool hops
«
Reply #1 on:
July 08, 2016, 05:24:15 am »
Seems to me that the antimicrobial properties of hops are still going to be released at whirlpool but I'm no expert on that subject, for sure.
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beer_crafter
Assistant Brewer
Posts: 181
Re: Lacto and whirlpool hops
«
Reply #2 on:
July 08, 2016, 05:59:36 am »
Yes, and even dry hops have been demonstrated to affect Lacto.
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blair.streit
Brewmaster
Posts: 524
Re: Lacto and whirlpool hops
«
Reply #3 on:
July 08, 2016, 08:22:03 am »
That makes sense. My understanding is that some hop material (the oils?) essentially coat the yeast and/or bacteria cells in some way that inhibits reproduction (e.g. slows growth rate considerably). I don't recall if that is scientifically proven fact or just an educated guess I heard or read somewhere....
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Stevie
Official Poobah of No Life. (I Got Ban Hammered by Drew)
Posts: 6858
Lacto and whirlpool hops
«
Reply #4 on:
July 08, 2016, 08:54:00 am »
That is what I am finding, but everybody quotes IBU thresholds with lacto, so that is why I was curious. I guess lacto can be conditioned to tolerate hops, but it takes time.
«
Last Edit: July 08, 2016, 01:22:39 pm by Stevie
»
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brewinhard
Official Poobah of No Life. (I Got Ban Hammered by Drew)
Posts: 3272
Re: Lacto and whirlpool hops
«
Reply #5 on:
July 08, 2016, 12:58:31 pm »
I too believe that it has something to do with certain hop oils affecting the cells.
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erockrph
I must live here
Posts: 7838
Chepachet, RI
Re: Lacto and whirlpool hops
«
Reply #6 on:
July 08, 2016, 07:53:44 pm »
I think different lacto strains can vary significantly in their hop tolerance. Having said that, this is probably a good candidate for kettle souring - sour first, then boil and add whirlpool hops.
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Eric B.
Finally got around to starting a homebrewing blog:
The Hop Whisperer
Stevie
Official Poobah of No Life. (I Got Ban Hammered by Drew)
Posts: 6858
Lacto and whirlpool hops
«
Reply #7 on:
July 08, 2016, 08:01:46 pm »
I was trying to avoid having to setup and breakdown twice. I brew on a balcony and store everything in my office. I figured a low temp whirlpool would get me zero ibu with good flavor and aroma. Oh well, nothing is ever simple.
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American Homebrewers Association | AHA Forum
General Category
Yeast and Fermentation
Lacto and whirlpool hops