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coffee_bean 发表于 2018-3-28 16:34 
我觉得这里可能有个误解,我是连带着密封单向阀包装袋的未开包豆子丢进冷柜冻起来,不是打开后不密封的丢 ...
我也许很久没有update知识了,但放freezer存放从来没有听有人推荐。
http://www.mycuppa.com.au/storing-coffee
What about the Freezer ?
Well, back in 2008 we ran tests over a 10-month period with 10x 250g packs of coffee. These packs were heat-sealed in the same way you receive your packs from coffee suppliers and the packs were not opened - but placed fresh in the freezer within 4 days from the Roast Date.
Each month, we removed a pack from the freezer, allowed the pack to thaw over 16 hours and then opened, poured into a grinder and made espresso shots.
Bottom line is that we did'nt enjoy the coffee - even Month 1 and Month 2 packs of coffee were not nice.
By the time we got to Month 6, it was not a task we were particularly enjoying. Yes, we could get crema from the espresso shots by setting the grinder quite fine, but the aromatics were almost gone and flavour was quite flat and generally lifeless.
Bear in mind, we are used to super-fresh premium coffee, so anything else that has aged or had it's cell structure altered by freezing is always going to be a struggle.
Our view is DO NOT freeze coffee - use it or give it away. |
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