The word acidity is usually associated with sour, acidic taste memories and accompanied by a disgusted reaction. So why do we hear about it so much in the magical world of java?
Because, in this case, coffee acidity means something else. Usually, something very positive!
Find out all about it so that you no longer feel the urge to recoil from coffee that’s described as ‘having high acidity.’
When caffeine aficionados say that coffee is acidic, they refer to a range of bright flavors attributed to the acids that are naturally present in coffee beans.
For example, high-acidity coffee is usually quite vibrant and has fruity, critic or grapey notes.
It’s all about finding the right balance, though. If the coffee is far too acidic, it can actually end up tasting a bit sour. However, if it’s not acidic at all, it’ll be bitter and flat.
Coffee acidity is influenced by several factors. The variety, origin, climate and processing methods used to grow and produce it are already a great starting point.
For instance, Arabica beans have higher acidity than the Robusta species, and so do most African origins.
Another factor that has a major influence on coffee acidity is the roasting process. In order to turn green beans into the brown ones that you’re used to, they must undergo several chemical reactions. These are also responsible for changing the concentration of their acids.
What does this mean for you?
The final factor is something you have total control over: coffee extraction.
Why? Simply because not all the beans’ compounds are extracted at the same time. It goes something like this:
If a coffee is under-extracted, too much coffee acidity will lead to sour flavors; if it’s over-extracted, too bitter.
That’s why it’s important to brew your coffee in a way that maintains the positive qualities of acidic notes but balances them with sweeter ones.
You can learn all about it in our jargon-free article on understanding coffee extraction.
In general, the acidity of coffee is a positive characteristic and it just refers to its bright and vibrant flavors.
However, while it doesn’t cause them, it can aggravate some types of health conditions. Specifically, high coffee acidity is bad news if you suffer from IBS or stomach problems like acid reflux and ulcers.
In that case, low-acidity coffee like dark roasts will be a wiser choice for you.
There are several things you can do to reduce acidity in coffee:
These are our easiest tips on how to reduce acidity in coffee, but remember: unless you have stomach problems, there’s nothing wrong with coffee acidity!
On the contrary, many baristas and roasters prefer the more vibrant and nuanced experience that only the high acidity of coffee can guarantee.
It all depends on what type of flavors you crave the most!
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