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Old 08-23-2014, 05:27 PM   #1
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Default Proper storage of hops

Question, As soon as I get ingredient kits, I take the hops out and throw them into the freezer. However, I was rummaging through my ingredients kits and found a bag (vaccum sealed) of hops that I apparently missed . I'm pretty sure the hops have been subjected to swings of temperatures as it was stored in the house. Do you think I need to worry about using it? Should it still be ok?

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Old 08-23-2014, 06:08 PM   #2
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Default Proper storage of hops

No, in the short term the hops won't noticeably degrade. When I did kits, I regularly left them in the kit for a week or two in my basement. The main thing to worry about is the oxygen permeability of the package.
Freezing them extends the shelf life, so you are right to freeze them.

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Old 08-23-2014, 09:22 PM   #3
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Most of the local HB stores keep them in the fridge, or freezer. When I harvest my hops, I vacuum seal them, and keep them cold. Seems to work for at least six months, as thats the longest any of my harvest hops have lasted.

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Old 08-24-2014, 04:27 AM   #4
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Hop deterioration is based on the HSI (Hops Stability Index). Most hops are between 25 and 50%. This number represents the loss of Alpha Acids (bittering compounds) in 6 months when left un-packaged at 70 F.

Vacuum packing considerably improves the AA retention, and cold temperatures are even better.

If you want to find out what you potentially lost, you can use BeerSmith, or other calculators; there are probably free on-line calculators out there. Alternatively, you can post the hop type, the original AA, storage conditions (vacuum packed) and the time and temperature, and someone will probably get you the answer.

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Old 08-25-2014, 02:57 AM   #5
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Thanks for your feedback everyone!

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