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Decaf Coffee Uncovered: What Is It and How Is It Made?

🌻 This article is written by Yasumi Coffee, a local coffee roaster based in Singapore! We sell a wide range of roast-to-order single-origin coffees that are sure to delight your senses.

Coffee is the beverage of choice for many people worldwide. But not everyone wants or can tolerate the caffeine that comes naturally in coffee. This is where decaffeinated, or decaf, coffee comes into play. Decaf coffee allows you to enjoy the rich flavor and aroma of coffee without the stimulating effects of caffeine. But what exactly is decaf coffee, and how is it made? Let's explore.

Understanding Decaf Coffee

Decaf coffee is simply coffee that has undergone a process to remove most of its natural caffeine. It's worth noting that decaf coffee is not entirely caffeine-free. According to regulations by the United States Food and Drug Administration (FDA), coffee labeled as "decaffeinated" must have at least 97% of its original caffeine removed. This means you might still get a small caffeine kick from your decaf brew.

The Decaffeination Process

The process of decaffeinating coffee involves several steps. First, the unroasted (green) coffee beans are soaked or steamed to soften them and open their pores. The goal is to prepare the beans for the extraction of caffeine.

There are several methods to extract the caffeine:

  1. Solvent-Based Process: The softened beans are rinsed with a solvent (usually ethyl acetate or methylene chloride) that extracts the caffeine while leaving other compounds largely intact. The solvent is then drained away, and the beans are steamed again to remove any remaining solvent.
  2. Swiss Water Process: This is a 100% chemical-free method. The beans are soaked in hot water to dissolve the caffeine. The water is then passed through an activated charcoal filter that traps caffeine molecules but allows other soluble compounds to pass through. This caffeine-free solution (known as "flavor-charged" water) is then used to wash new batches of beans, extracting caffeine but leaving much of the flavor compounds.
  3. Carbon Dioxide (CO2) Process: This method is primarily used for commercial decaffeination. Here, CO2 in a supercritical state (having properties of both a gas and a liquid) is used to extract the caffeine from the beans.

After decaffeination, the beans are dried back to their original moisture level and are then ready to be roasted.

Decaf Coffee: The Same Pleasure, Less Caffeine

Decaf coffee provides a solution for coffee lovers who are sensitive to caffeine or those who simply prefer to limit their caffeine intake. With advancements in decaffeination processes, decaf coffee today maintains much of the taste and aroma that coffee lovers cherish. Whether you drink it for its flavor, as a comforting warm beverage, or as part of a social ritual, decaf coffee ensures you can enjoy these pleasures without the side effects of caffeine.

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Coffee Newsletter
©2024 yasumicoffee.com
☕️ Freshly Roasted in Singapore
Jing Jiho
Jing Jiho

Just left us a 5 star review

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Jing Jiho
2023-09-25
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Yong Sheng Tan
2023-10-27

Great coffee at affordable prices

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Ada Wong
2024-08-13

Been a monthly subscriber to Yasukuni coffee for nearly a year - love their coffee and prices as well as wonderful customer service - always throwing in some perks and giveaways. It is also super flexible to change your roasting date if you are away.

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Allon Lim
2023-10-16

Great coffee subscription service and very fuss-free. The beans they use are freshly roasted :)

I started with the free trial and got hooked! Already tried 3 of 6 of their coffee and 4th one awaiting to be delivered. Beans are well roasted, flavourful and fresh.

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Jing Yin
2023-11-15

Love the freshly roasted coffee beans and warm customer service! Recommend to try!

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Jasmine Tan
2024-03-06

Tried the Brazil coffee. Great nutty taste and smell. Received on same day of the roast too. Fast delivery

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Rishi Mistry
2024-01-03
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Michal Polak
2024-02-07

Love the coffee, always flexible to change the coffee flavour and comes in time!

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Tammy Hoo
2024-04-19

Coffee smells is good and aromatic. Even though I left it quite long but the coffee smells still lingers l.

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mabel khaw
2024-01-02

great coffee and service. a little in the expensive end but they deliver in terms of quality

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Isaac Kong
2024-01-14

The delivery was fast. The beans was freshly roasted and the quality of the beans was good. I also received a free sample bag of coffee which i really appreciated

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xt
2024-03-05

High quality coffee.

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Eugenia
2023-11-17

The subscription service is fuss-free and you can easily change your next delivery date/beans via the website. No need for multiple emails back and forth and efficiency of updating the notice is great.

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Yong Qi
2024-03-09
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Matthew Ling
2023-10-09

Good customer support

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Yi Wei Toh
2023-12-25

I ordered a trial subscription. The package came fast and the beans were well packed (despite being unregistered mail). The additional 60g X'mas sample was a nice surprise as it was meant to be a 120g trial and I actually really liked it. Usually do pourover or espresso at home with a hand grinder.

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Theodore Choo
2024-01-19

Coffee subscription is affordable and convenient. Got single origin beans from Rwanda and tasting notes were true to description. Method of brewing: v60. Recommended to try.

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Foo Yongkuan
2024-05-19

Got the light roast, high acidity beans. Well suited to my liking! Can't wait for the next bag! Subscription was fast, love the extra goodies that came along with it like the flavor profile card and the coffee flavor wheel!

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Jeffrey Teo
2024-04-14

Updated review on 18/4: The support team has reached promptly to explain the delayed shipment. Mentioned that my shipment was delayed because I placed an order after their roasting date, which I find the explanation satisfactory. And I received my subscription of coffee yesterday. It tasted great. Excellent service recovery team Yasumi 👌 Earlier review on 14/4: My subscription is due for renewal in 1 day but my earlier order hasn't been received despite placing an order 1 week ago. I don't like to be charged for a renewal product when my earlier product hasn't been shipped out and received. I will consider changing my review when the management looks into this. I have cancelled my earlier subscription.

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NUNA LIU
2024-03-13

I do really love the YASUMI Coffee! It brings much much convenient for me, I have an espresso machine at home, so I could make a great cup of coffee everyday. Fresh grind the whole bean, fresh brew the double shot, fresh steam the milk, and then, a fresh cup of specialty coffee. I have order with YASUMI coffee since last year, which Im really happy with the fresh whole bean which deliver to my mail box everytime! and the teams are so cute that everytime will send you an email to inform you that your coffee is going to roast, going to deliver. And the other thing I like YASUMI is becuz they are very flexible which I could skip the slot when I need to travel. Appreciate a lot!

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Evelyn Koh
2024-05-22

bought the beans as a gift and I was told they were great! made a repeat purchase to try the others and they really loved those too. Yasumi offers a decent variety to try and I think the price point is really great for what you're getting.

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Alina Wang
2023-10-26

Great and fresh coffee. Nice service. Highly recommend 👍

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Bernard Chia
2023-12-31

It’s so convenient to make my regular cup at home with a coffee subscription. Yasumi coffee provides a satisfying cup of coffee with great customer service. Extending my subscription is a breeze, whenever I can’t finish my coffee in time… this ensures I get the best roast possible.

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Jane Peh
2024-03-18

Love the ease of subscription and Yasumi coffee is the best!

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Carlton
2023-11-02

Great coffee and service! Flexible coffee subscriptions and their Coffee Tour lets you try many different types of beans every order

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eric lim
2024-04-25

I really love how Yasumi makes it super easy for us customers to buy things! Their website is so easy to navigate, and they always give clear descriptions of their products. Plus, it's awesome that they often throw in discount codes for our next order or purchase. It's like getting a little treat every time we shop with them!

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Arjie Tupaz
2023-10-24

There customer service was excellent, they were able to resolve the issues the raised regarding my subscription

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Alan Tan
2023-11-21

Very quick response to my question that is accurately and clearly explained. The professionally designed online platform is customer centric and paid attention to details. I hope the coffee I’ll be receiving will be as good if not exceed my expectations. Pretty sure it will. Looking forward to my caffeine fix soon! Yes! Got my coffee earlier than expected. Got my caffeine fixed. Love the taste and can’t ask for more.

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Rennie Lee
2024-09-05

The ground coffee beans smelt so good when they arrived, freshly roasted before delivery for all orders! They make it so easy for everyone to enjoy (even beginners like me without fancy equipment). I got mine in medium grind for pour overs, no extra charge~ The coffee aroma is so nice, with some sweet nutty notes. With its richness and low acidity, it’s perfect for my morning lattes! I’m really enjoying them! The price point is really good too and freshly roasted?! Definitely worth re-ordering!

Decided to try Yasumi as i cam across their page, got a free bag of beans to try and i tried it today. Pretty convinced to continue my subscription with them👍🏻

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Damien Koh
2023-11-02
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lydia low
2023-10-12

Great coffee and customer service. They have a good selection of coffee as well.

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Tee Yee Yang
2023-10-24

Excellent specialty coffee roaster in Singapore at affordable prices. I'm always looking forward to my weekly delivery from Yasumi! The staff here are also really helpful and supportive!

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Alfredo Wan
2023-10-23

I like how Yasumi makes it easy for the customer to make a purchase and understand the product with its user friendly interface and clear product description. it also help that they usually give some discount code to offset next subscribed order / purchase!

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Tricia Chen
2024-01-19

I bought their 250ml morning cup a few months ago. It is not worth the price. When it arrived, I could tell the quality wasn’t great. Coffee stains cannot be washed off or removed, and it looks terrible just after 1 month of usage. I’m very disappointed with the product.

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Joey Lai
2023-09-25

Coffee is freshly roasted and I always receive them very swiftly! Appreciate the friendly and responsive customer support as well :) Very honest, local roasters!

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Kay Tse
2024-02-01

The package of coffee comes with tasting notes and coffee info. The coffee itself smells super good and the brewed coffee I chose is very smooth and less acidic. Perfect!

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Emily C.
2024-02-17

A great coffee subscription service that makes my daily coffee a breeze - particularly love the ability to delay a delivery by a week or two so I can finish my existing beans before new ones arrive!

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YingPing Chen
2023-10-17

Quick, responsive and helpful customer services. Quality coffee that taste and smells wonderful

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Glenden Gn
2024-01-07

Decent coffee

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Jasmine Teo
2023-10-23

Love the coffee beans and the flexibility to choose the type of beans as well as when I want the beans to be delivered

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Hyeon J
2023-11-21

Fuss-free coffee subscription! Love that I can easily switch up my beans, its grind, the schedule of roast and delivery. Most importantly, I’m pleased with the aroma and taste of the beans I got!

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Min H
2023-10-18

Love the customer service from Yasumi. Have tried Brazil dark roast, Colombia and Nicaragua coffee beans. Enjoyed all 3 roasts very much. Yasumi coffee beans is of great quality. Amazing aromas!

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Jerry Wong
2023-11-02

Had some trouble with my mailing address and customer support was very patient and responsive

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XinYi How
2024-03-16

Finally order my first trial coffee from Yasumi. The moment I open the package . The coffee smells so good, love the fruity taste

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Joan Lee
2024-02-12
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Simon Y
2024-01-20

Just brewed a cup of Tropic Daydream. Wonderful blend, so delicious. Right amount of acidity and body. Great customer service and responds to email timely. Thanks for the rebates as well.

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Yi Ching Yeoh
2024-02-01

Got an extra 60g of coffee in the trial subscription to try out. Can’t wait to try out the different beans!

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Cassie Li
2024-01-25

I got a trial subscription, the morning cup, and the French press. Customer service was great, and the package came fast. I tried both Brazil and Tropic Daydream. They were super aromatic and made my day. Looking forward to trying other coffee beans for my next subscription.