Room Temperature Hop Pellets

Homebrew Talk - Beer, Wine, Mead, & Cider Brewing Discussion Forum

Help Support Homebrew Talk:

mattman91

Well-Known Member
Joined
Jan 29, 2021
Messages
132
Reaction score
215
Like many of you, I took advantage of the great Yakima Valley Hops Black Friday deals. Unfortunately, when they were delivered, my wife and I were out of town (just got home). We have been having our neighbor get our mail, so they are currently at his house.

I totally forgot the hops were coming so I did not give him the heads up that they needed to be kept cold. The hops were delivered last Tuesday. Assuming they have been sitting in room temperature for about a week, is it safe to think they are ruined? Am I overreacting? It has been a while since I ordered YVH...does their packaging say to keep cold?
 

VikeMan

It ain't all burritos and strippers, my friend.
Joined
Aug 24, 2010
Messages
4,051
Reaction score
3,202
Let;s say your freezer is -4F (-20C). And your room temp is 68F (20C). Since staling, Aplha Acid loss, etc. are chemical processes, maybe apply the standard rule of thumb that they go twice as fast for each 10C increase in temperature. Since 20C is 40C (i.e. 4 x 10) higher than -20C...
2 x 2 x 2 x 2 = 16
3 x 3 x 3 x 3 = 81

So, a week at room temp might be equivalent to somewhere between 16 and 81 weeks at freezer temp. 16 weeks would be no big deal. 81 weeks wouldn't be ideal, but my guess is they would be ok to use. What do they smell like?
 

jtratcliff

Well-Known Member
Lifetime Supporter
Joined
Feb 7, 2013
Messages
2,127
Reaction score
1,140
Location
Pasadena
The big danger, I think, is oxidation... Keeping them cold slows that down...

They should be sealed in a nitrogen flushed mylar bag... So as as long they were un opened they should be fine...

Definitely store them in the freezer after opening, though.
 
Last edited:

wepeeler

Supporting Member
HBT Supporter
Joined
May 31, 2018
Messages
1,014
Reaction score
1,697
Location
CT
Yakima Valley told me 4 years vacuum sealed and frozen. Scott Janish wrote in his IPA book that he had better luck letting some of the hops sit out. I'm sure less than a week at room temp is fine.
 

RM-MN

Supporting Member
HBT Supporter
Joined
Nov 26, 2010
Messages
14,792
Reaction score
5,679
Location
Solway
Anecdote: I found some hops growing wild in the spring. They had been out in the open from about September until April. They still smelled great. YMMV
 

kingmatt

Well-Known Member
Joined
Mar 26, 2010
Messages
1,307
Reaction score
962
Send them to me and I will dispose of them properly. Seriously though, you have nothing to worry about...it's not like they are yeast.
 
Top