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Questions tagged [storage]

Use this tag if you have any questions about storing the coffee in any form.

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Effects of cold weather/climate on coffee beans?

What's the effect of cold climates similar to the Canadian winter on coffee beans? Does it helps preserve the natural oils in coffee beans or does it speeds up the decaying?
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1answer
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How can I identify whether coffee is expired or not?

My coffee jar is half used. I can't find an expiration date on it. Maybe it is misprinted or the label has been removed because it's a year old. How will I know if it's safe to drink?
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1answer
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How long can we safely store cold brew concentrate?

How long can we store cold brew? Does storing cold brew for a week or more affect its taste or texture provided that we use good grinding beans and make it under proper ratio?
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1answer
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Is leaving coffee bins open in the store normal?

I'm checking out a local coffee shop online that was recommended to me, before deciding to go in. I noticed that the beans they sell in bins are all uncovered in photos (the photos are from Google so ...
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3answers
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How does moisture occur inside Trader Joe’s coffee cans?

I’ve started trying Trader Joe’s whole bean coffee that comes in canisters. When I opened one today and poured the beans into the grinder, I noticed there was some moisture inside the can that I had ...
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1answer
42 views

How long does sealed ground coffee retain its flavors?

Assuming I purchase freshly ground coffee from a shop which sell it sealed. How long can I store it before it begins to lose its flavor? Sealed here means the sealed packets which we get from ...
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2answers
79 views

Is there a composition available about how the main parameters influence coffee taste?

There's lots of information available about the influence of various parameters on coffee taste, but it's scattered across the internet. On top of that, most answers and articles are packed with ...
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2answers
157 views

How to prepare beans for grinding

A friend brought me home some coffee beans from his back garden in Sri Lanka (I live in Ireland :) ), and I am unsure on what to do next. He said that they dried them, but I will need to toast them on ...
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2answers
134 views

Does it make sense to buy smaller-sized bags of whole bean coffee to keep it fresher?

How much impact has having a coffee bag being opened vs. sealed on preserving the aroma of beans over 1 month? I am deliberating between 250 gram and 500 gram packages, with the former being 4% more ...
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2answers
123 views

Finding if coffee is a health risk after best before

I have couple of coffee in my cabin where I visit on weekend and I saw 2 coffee which were best before xx 2017. One has big chunk of coffee and looks faded and the other got faded colour. I have no ...
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1answer
237 views

Do ground beans or brewed coffee lose flavour faster?

I usually roast my coffee in the evening, grind it and brew it in the morning, to drink multiple hours later. I do notice that I do not have the same experience drinking coffee multiple hours after it ...
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5answers
436 views

How to transport coffee

I'm afraid this is a dirty instant coffee question. Every morning I'm up pretty early and will usually make myself a quick instant coffee in a travel mug and hit the road. It is really good instant ...
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2answers
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Aluminium v's Ceramic storage

I've been reading a wikipedia article about the best material for a coffee jar for storing beans, which recommends ceramic or dark glass. I then came here and there is a recent question about ...
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2answers
207 views

Why of the-shelf-coffee packages are aluminum from the inside

Why of-the-shelf coffee packages (available e.g. in supermarkets) are covered with aluminum (or some sort of hard silver a little bit shiny thick foil) from the inside?
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1answer
442 views

Does ground coffee lose caffeine like it loses aroma?

What I know is that, for the best taste, one should grind the coffee right before brewing it. Storing ground coffee makes it lose part of its taste, even if there are ways to counteract that effect. ...
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2answers
2k views

How long does it take coffee beans to degas?

A google search brings up a great article by Hannah from Fellow Products called "Understanding Degassing: Is Fresh Best?," in which she claims: Degassing varies depending on the type of coffee and ...
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2answers
127 views

Why some coffee pods are under pressure?

I am quite sure that air prejudices the quality of the coffee. So why some coffee pods are under pressure? Shouldn't they be in vacuum?
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6answers
512 views

Is there any way to preserve roasted coffee beans?

I know different people try different things to preserve roasted coffee beans, including freezing them or vacuum sealing them. But do any of these actually work? I have a very rare and expensive ...
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1answer
112 views

Is there a way to economically store freshly roasted coffee under vacuum?

I know that freshly roasted coffee needs to rest at least a few days before drinking because carbon dioxide is being released from the freshly roasted beans. At the same time, excess exposure to ...
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2answers
231 views

For how long coffee may stay in thermoses; meeting ECBC/SCAE/SCAA requirements, what does it mean?

We got in the office some kind of coffee-machine, I think it's Moccamaster CD Thermo, and it has 2 thermoses, to keep a coffee warm/fresh for certain period of time. Thermoses are good and easy to ...
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2answers
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Can I reduce harmful terpenes?

There are reports that terpenes in coffee made without a paper filter raise cholesterol and risk of atherosclerosis / heart disease. (See Coffee and Cholesterol and Warning: Going to the Coffee Shop ...
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3answers
654 views

Will the quality of the coffee change if I store it in a plastic bottle?

I make my coffee every morning. I leave it to rest for 20-30 minutes, mix it with some milk, and pour it into a plastic bottle. I drink the coffee from that bottle during the day. Am I doing it right?...
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4answers
1k views

Best way to store unroasted/raw coffee?

I'm using green coffee and would like to know how to keep the beans to protect from getting bad (mold). I try to keep them safe and to be all time ready for roasting.
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3answers
593 views

Store Costco beans in individual vacuum sealed canisters?

Is it a good idea to split bulk (2-3 pound bags) Costco coffee beans into separate (1 pound) vacuum sealed canisters? This would be done quickly for reduced oxygen exposure. I would use up a canister ...
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2answers
5k views

What molds grow in brewed coffee?

This question is not about molds that affect coffee plants. I am asking about molds that grow in coffee that has been sitting for a few days or more. I did not find any scientific articles on point so ...
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1answer
1k views

Should I use the airtight container, or the opaque container?

I know that ideally, I should keep my ground coffee in an airtight, opaque container. Currently, I'm limited to one that is airtight, but glass, and one that is opaque, but not that airtight (it's ...
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0answers
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Green bean storage [closed]

I'd like to get into selling green bean to roasters and I'm looking for information on storing coffee at a very small commercial level (50-100 bags). Without anyone to tap directly in my network, I'm ...
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2answers
579 views

How does freezing affect vacuum packed coffee beans?

I recently vacuum packed 1 kg of coffee beans that were about to expire into 100 g portions. I would like to know how they will be affected by the freezing and how long they will last in the freezer.
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1answer
155 views

Can flavoured coffees alter the shelf life of the coffee?

Flavouring a coffee involves introducing flavour oils to the beans after roasting. I am assuming that the shelf life of an object is measured as the minimum shelf life of its components, so is it ...
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1answer
113 views

Vaccum container and dispenser?

Is there a vacuum container that can dispense coffee without letting air in so I don't have to vacuum it everytime I need to make coffee? P.S., English is not my first language. Feel free to ...
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3answers
7k views

Freezing brewed coffee

The other day, I had stupid idea: What if I made my coffee in big batch and freeze what I did not manage to drink? Let's put away why would I even want to do it. And for sake of argument, I know it ...
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1answer
152 views

Are coffee 'vaults' like Friis really effective?

Some days ago I stumbled upon with this coffee jar: Friis coffee vault. Are products like this, with an special valve, really useful to preserve the freshness of ground or whole bean coffee?
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1answer
1k views

Why does the gas from degassing ground coffee smell bad?

I have a jar with ground coffee stored in a cupboard. Every time I open that cupboard a specific smell gets out, one that can surely be associated with coffee but that is not the same one that you can ...
9
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1answer
561 views

The one-way valve, to squeeze or not to squeeze?

I buy 2-3 bags of fresh roasted beans and after a few days the bags balloon out. Should I squeeze the gases out or let the gases seep out naturally?
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1answer
704 views

How much does keeping beans vacuum sealed matter?

I use a moka pot (makineta) to make coffee, and I keep the beans in a bag (not sealed) in the freezer. I keep getting people saying that in order to get to best aroma and the most fresh coffee the ...
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1answer
5k views

Chemically, what's happening to coffee after it's brewed?

So I've prepared my coffee in the morning, and transferred it to a thermos flask, where it will only cool down negligibly over the course of the day. Is anything happening to the coffee in the flask? ...
6
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1answer
26k views

How long will iced latte keep in the Fridge?

If I make a batch of iced latte, that is to say I make a regular latte then pour it over ice, how long can I keep a batch fresh in the fridge? A day? A week? If the milk is the limiting factor, could ...
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2answers
1k views

Coffee in a flask - How long can I store?

In the past I have made up to 2L of coffee using a french press and stored it in a flask that I have brought to lectures. Sometimes I will continue drinking this after 5 days, but it tastes pretty bad....
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1answer
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How should I store my aeropress?

I've heard that storing an Aeropress with the plunger inside the main cylinder will eventually damage the plunger, because the rubber is stored compressed. Is there any truth to this? What's the best ...
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1answer
135 views

What actually happens with the ground coffee that lost its flavour?

Ground coffee looses quickly its flavour. It's especially painful for singles living in rented apartment (no coffee machine) and having only big packages in nearby groceries... But what actually ...
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3answers
2k views

When does coffee go off?

If I've ground a batch of coffee, I know I should use it as soon as possible, but if I store it (in an opaque, air-tight, slightly-below-room-temp container), how long have I got to use it? Are there ...
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2answers
2k views

Why do coffee packs have an aroma hole if it is recommended to store coffee in an air tight container

If it's recommended that coffee should be stored in an air tight container then why do coffee bags have an aroma hole. Apart from being able to smell the coffee is there another purpose to this? I ...
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2answers
266 views

Are reused glass jars ever fit for storing ground coffee?

I'm looking for some small container to store small amounts of ground coffee. I have a lot of jars after some other things, like olives. Can they ever be fit for storing ground coffee? Is it ...
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2answers
1k views

Does storing coffee in a freezer preserve freshness?

Does storing ground coffee in a freezer make it stay fresh longer? If so, how long will it remain fresh?
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0answers
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Does closing ground coffee in clip&close container help preserve the aroma? [duplicate]

I'm buying ground coffee in the packages, which unfortunately are 0,5 kg (the smallest ones). And they last for a few months for me. At the end of that period, the coffee has no aroma anymore :( ...
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1answer
174 views

How long can I store ground coffee in the fridge?

I ground some coffee beans this morning, but I'm not a major coffee drinker, how fast can I expect its flavour to degrade, and at what point would it become completely undrinkable?
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2answers
1k views

How should I store ground coffee?

I came across this question, which seeks the optimal method for storing whole beans. In that same vein, I'd like to know the best way to store ground coffee to preserve freshness. Should ambient ...
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6answers
2k views

How should I store whole bean coffee?

I just got a pound of microroasted, local coffee and am curious what the optimal way to store it is (what temperature, humidity, etc)