Ethan Clarke
There are many ways to store coffee beans, and the best method depends on a variety of factors, such as the type of coffee bean, how long you intend to store it, and how often you will use it. Coffee beans can be stored in their original packaging, typically a plastic or foil bag with a one-way valve, or transferred to an airtight container. It is important to keep coffee beans away from oxygen, light, heat, steam, and moisture to maintain freshness and prevent staleness. Some people choose to store coffee beans in the freezer, but this can affect their flavour and is not recommended by experts.
| Characteristics | Values |
|---|---|
| Plastic bags | Ziploc bags are a good option for storing coffee beans as they keep beans away from oxygen and light. |
| Other containers | Airtight containers, such as Mason jars, are also recommended. |
| Freezing | Freezing coffee beans is not recommended as it can affect the taste. However, if you must freeze them, use a sealed and unopened bag and let the beans thaw to room temperature before use. |
| Original packaging | It is generally recommended to store coffee beans in their original packaging, as this keeps out sunlight and allows gases to escape while blocking air from entering. |
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What You'll Learn
Plastic bags are fine for storage, but avoid paper bags
Plastic bags are a good option for storing coffee beans, but paper bags should be avoided. While it is possible to store coffee beans in a plastic bag, it is important to note that not all plastic bags are created equal. The best type of plastic bag for storing coffee beans is one that has a one-way valve, which allows gases to escape while blocking air from entering the bag. This helps to keep the beans fresh for longer by preventing oxidation and moisture absorption.
If you choose to store your coffee beans in a plastic bag, it is recommended to keep them in their original packaging, as this type of bag is specifically designed for coffee storage and will have the necessary valves to release gases. However, if you do transfer your beans to a different plastic bag, ensure that it is airtight and protected from sunlight.
While plastic bags can be suitable for short-term storage, they may not be ideal for long-term use. Over time, plastic bags can allow oxygen and moisture to penetrate, which can cause the beans to become stale and lose their flavour. In addition, plastic bags are not as effective at blocking light, which can also contribute to the deterioration of coffee beans over time.
Paper bags, on the other hand, are not recommended for storing coffee beans. Paper is highly porous and does not provide an adequate barrier against moisture, air, and odours. Coffee beans stored in paper bags can quickly become stale and take on the flavours of other items nearby, leading to an unpleasant tasting coffee.
To ensure the longevity and freshness of your coffee beans, it is advisable to transfer them to an airtight container, such as a glass jar or metal canister, that blocks out light, air, and moisture. By investing in proper storage solutions, you can maximize the shelf life and flavour of your coffee beans, whether you choose to store them in a plastic bag, a paper bag, or another type of container.
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Keep beans away from oxygen, light, and moisture
Oxygen, light, and moisture are three of the biggest enemies of coffee freshness.
Firstly, it is important to keep coffee beans away from oxygen. Exposure to oxygen can cause coffee beans to go stale and lose their flavour. To prevent this, store your beans in an airtight container. Some containers, like the Fellow Atmos, have pumps that suck the oxygen out. If you're using a plastic bag, a sealable one will do the trick. Many roasters package their coffee in bags with built-in resealable zippers and one-way valves that keep oxygen out.
Secondly, keep your coffee beans away from light. Direct light can cause coffee beans to go stale. Store your beans in a dark area, such as a cupboard or pantry, and use opaque containers that block light from entering. Clear containers or canisters let in light, which can compromise the taste of your coffee.
Lastly, protect your coffee beans from moisture. Coffee beans are hygroscopic, meaning they absorb and retain moisture from the air around them. Exposure to moisture can cause coffee beans to go bad almost instantly. Therefore, it is crucial to store your coffee beans in a dry place. Avoid drastic temperature changes, as condensation can form on the beans, leading to moisture exposure.
By following these guidelines, you can help maintain the freshness and flavour of your coffee beans.
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Store in an airtight container
Storing coffee beans in an airtight container is a great way to keep them fresh. Coffee beans should be protected from light, air, and moisture, and an airtight container will help achieve this. If you're transferring beans from their original packaging into a container, ensure it is airtight and protected from sunlight. You can also use Mason jars, repurposed bottles, or sealable plastic bags and store them in a dark place like a cupboard or pantry.
It's important to note that coffee beans should not be stored in the refrigerator, as it isn't cold enough to keep them fresh, and the beans will absorb aromas from other foods. The freezer is also not ideal, as it can affect the taste and create moisture, which ages the coffee. If you must store coffee beans in the freezer, use the deep freezer, not the fridge's freezer, and ensure the bag is sealed and unopened.
When storing coffee beans, it's best to buy freshly roasted whole beans in small batches so that you finish the bag before it loses its flavour. Whole beans are better at protecting the quality of the coffee than pre-ground beans, as coffee oxidizes rapidly once ground. It's recommended to grind the beans just before brewing to preserve the aromatics and get a sweeter, livelier cup.
Additionally, when storing coffee beans, avoid heat, steam, and moisture. Within 72 hours after roasting, coffee beans reach their peak freshness, so it's best to use them as soon as possible. By following these tips and storing your coffee beans in an airtight container, you can ensure they stay fresh and flavourful.
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Don't store in the fridge or freezer
While storing coffee beans in the freezer can prolong their life, it is not always the best option. Coffee is hygroscopic, which means it absorbs moisture from the air around it. This can cause the coffee to become stale and lose its flavour. The National Coffee Association (NCA) explains that storing beans in the refrigerator is not recommended because many fridge staples give off moisture. This can cause the coffee to become damp and spoil.
Additionally, when you take the coffee beans out of the freezer and thaw them, they will not taste the same as when you first bought them. The cell structure of coffee is soft and porous, and it will absorb the aromas of other foods in your freezer, like garlic or onions.
If you do choose to store your coffee beans in the freezer, make sure the bag is sealed and unopened. When you are ready to drink the coffee, let the beans thaw to room temperature before brewing.
It is recommended to store coffee beans at room temperature, in an airtight container, away from light, and at room temperature. This will help protect them from their greatest enemies: air, moisture, heat, and light.
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Buy smaller batches more frequently
Coffee beans are best stored in their original packaging, which is usually foil or plastic with a one-way valve. This allows gases to escape while blocking air from entering the bag. However, if you do choose to transfer your coffee beans to a different container, ensure that it is airtight and protected from sunlight.
Buying smaller batches of coffee beans more frequently is a recommended practice to ensure you always have fresh beans on hand. Coffee beans start losing their freshness about two weeks after roasting, so it is ideal to buy quantities that can be consumed within this timeframe. This way, you can enjoy the rich aromas and flavours of freshly roasted coffee with each new batch.
Additionally, when purchasing coffee beans, consider the type of packaging they come in. Avoid paper bags, as they are poor barriers against moisture and smells from other items in your freezer or pantry. Instead, opt for bags with a one-way valve, which allows gases to escape while keeping oxygen out. This will help prolong the freshness of your coffee beans.
If you are transferring your coffee beans to a different container, choose an airtight option such as a sealable plastic bag, Mason jar, or repurposed bottle. These containers will help protect your coffee beans from oxygen, light, and moisture, which are factors that can cause them to stale quickly. Remember to store your container in a dark and dry place, such as a cupboard or pantry, to further extend the life and freshness of your coffee beans.
By following these storage tips and buying smaller batches more frequently, you can ensure that each cup of coffee you brew delivers the sweet and lively flavours that only fresh coffee beans can provide.
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Frequently asked questions
Yes, you can store coffee beans in a plastic bag. If you do so, make sure the bag is sealed and stored in a dark place, such as a cupboard or pantry. You can also use a sealable plastic bag, like a Ziploc bag, and store it in a closed drawer to keep the beans away from oxygen and light.
Coffee beans can last for months after roasting, but they start losing their freshness about two weeks after being roasted. It is recommended to buy coffee in smaller batches that can be consumed within two to three weeks to ensure the beans remain fresh.
Storing coffee beans in the freezer is not recommended as it can affect their flavour and create moisture, which ages the coffee. If you still want to store them in the freezer, it is best to use a deep freezer and keep the beans in their original packaging or a sealed freezer-quality bag.
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