Coffee Tastes Sour (Why + what to do)

In this brief guide, we will be answering the question “coffee tastes sour?” discussing what coffee tastes like and why it must be tasting sour.

Does Coffee taste Sour?

Yes, coffee does have a sour flavor profile, but that’s only when the brew time is cut short.

Coffee is a misleadingly intricate beverage. One wrong move and your cup changes from a charming, smooth blend to a mouth-puckering acidic coffee. Try not to stress. It happens to everybody.

You’ve endured acidic coffee at cafes, corner stores, or at home with your parent’s obsolete Mr. Espresso dribble pot. It’s a stun to your framework, hitting your sense of taste with terrible flavors that leave you disappointed and considering what turned out badly when fermenting your espresso.

Harsh tasting coffee is a coffee misfortune nobody needs to encounter. Fortunately, you’ve come to the ideal spot.

Here’s How to Know Your Coffee is Sour

Did you realize the human tongue has somewhere in the range of 2,000-8,000 taste buds all things considered? These little tangible cells are answerable for the impression of taste. All around, flavors can be categorized as one of five taste classifications:

  • Sweet
  • Savory  
  • Sour
  • Bitter
  • Umami

Sharp tastes and flavors are normally gotten on the back edges of our tongue. On the off chance that you take a taste of coffee and this piece of your tongue gets horrendous flavors, your espresso is likely to be sour.

Try not to Confuse Acidity with Sourness

Note that coffee normally contains acidity. What’s more, acidity in coffee is something to be thankful for! In any case, it is regularly mistaken for sour flavors.

Pleasant sourness is the difference between dull, coffee and splendid, fresh, and dynamic tasting coffee.

Consider sourness like carbonation in pop. Without the pop of the carbonation, the soft drink tastes basic. Without sharpness, your espresso doesn’t taste energizing, as it ought to be!

There are four fundamental kinds of acids found in espresso:

  • Citrus extracts – Lemon, lime, orange, citrus notes
  • Malic acids – Green apple notes
  • Phosphoric acids – Sweet, tart notes
  • Acidic acids – Similar to beer or vinegar.

Coffee from around the world contains differing levels of acids, which add to the general flavor profile of the cup. Beans from Brazil, for example, regularly contain less causticity bringing about a smooth, nutty, and sweet-tasting coffee. While coffee beans from East African nations, for example, Zambia or Ethiopia contain more significant levels of acids for fruity or “zingy” tasting coffees.

3 Reasons Why Your Coffee Tastes Sour

  • Under Extraction

At the point when you make coffee, acids, sugars, oils, and different flavors from the beans are disintegrated and join with the water to make your last blend.

This cycle is designated “extraction.” Aka, coffee brewing. We call this “under extraction” because the coffee wasn’t sufficiently blended to deliver and break down the entirety of the great tasting flavors from the beans for a reasonable cup.

  • Under Roasted Coffee Beans  

The coffee roasting measure begins with green espresso beans. Through the ideal equilibrium of warmth, air, revolution, and different variables, roasters change this green bean into the coffee we know and love.

During the roasting cycle, the Maillard Reaction happens. The Maillard Reaction is liable for the “cooking” of food. You’ll perceive this synthetic response when you:

  • Transform bread into toast
  • Fry floppy bacon into firm goodness
  • Broil espresso beans

In espresso, the Maillard Reaction transforms the crude natural mixes in green espresso into delectable flavors and caramelizes the sugars. Without the Maillard Reaction, espresso tastes sharp and gritty.

If your espresso tastes harsh, it very well might be expected to under roasted (otherwise called immature) coffee beans.

  • Old Coffee Beans

Your espresso beans gradually separate after some time. The sweet-smelling oils vanish. The sugars separate. Also, the one-tasty regular acids begin to go bad and forceful.

Inside only 3 a month of being simmered, your espresso beans will begin to taste less adjusted. Half a month later, they’ll begin to taste the harsh flavors. If you taste cruel lemon citrus notes, they’re flat.

Luckily, curing acidic coffee at home is easy.

3 Easy Ways to Fix Sour Coffee

Probably the best part about blending coffee at home is the capacity to. If you find that your coffee tastes sharp, attempt one of these three arrangements.

  • Crush Finer
  • Increment the Brew Time
  • Raise the Coffee: Water Ratio

Bottom line

Coffee has a naturally acidic flavor profile, but if your coffee turns sour, it means you have brewed it for a lesser time than it should be brewed. But don’t worry. There is always a way to fix coffee, so don’t worry if you’ve messed it up. Try not to settle for sour coffee, fixing it generally easy. Simply grind better, increment your blend time, and use some more water.

Happy brewing guys!

In this brief guide, we answered the question “coffee tastes sour?” discussing what coffee tastes like and why it must be tasting sour.


Esha Hamid is currently a medical student. She is a highly-skilled professional with the ambition to learn and improve her skills. Driven by her passion for coffee, she loves to experiment with coffee from all around the world. She is a well-rounded coffee enthusiast, who can take on any role as needed. She is currently enrolled at Plovdiv Medical University. In her free time she likes to cook, and experiment with new coffee recipes.

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