Ever wondered about the pH of the coffee and how it affects its flavor? Sipping a cup of coffee is comforting for many coffee lovers. It is possible to change the flavour of your coffee by experimenting with different brewing methods and roasting levels, as it can change its pH. In this blog, let us explore more about the pH of coffee and the factors that affect the pH of your favourite drink.
What affects the pH of coffee?
The pH of coffee ranges between 4.5 and 5.4 and can be affected by various factors like brewing method, roast, and the grinding level of the coffee bean. The pH level of coffee shows that it is acidic. Natural acids present in the coffee make it acidic, which contributes to the unique flavour profile and aroma of coffee.
Roasting
Experiment with roasting levels as they affect the pH level of coffee. You can increase or decrease the roasting level according to your preference. As the roasting process reduces the effect of natural acids present in coffee, dark-roast coffee becomes less acidic. However, lightly roasted coffee is more acidic, as it retains the natural acids present in the coffee bean.
Brewing
The brewing method you use to prepare coffee also affects the acidity and taste of the coffee. Coffee brewed under pressure, like espresso, is perceived to be more acidic, as it requires a greater amount of coffee beans in less water.
Coffee Bean Type
The acidic nature of the coffee also largely depends on the type of coffee bean you choose to prepare a cup of coffee. Coffee made from Arabica beans tends to be more acidic than coffee made from Robusta.
Quality of water
The pH level of the water you use to brew coffee also plays an important role in its acidity. If the water you use to brew coffee has a pH level of more than 7, the pH of coffee becomes less acidic. On the other hand, if you use neutral water, let the natural acidity of coffee remain in the drink.
Grinding size
The size of the coffee grounds will also have a great impact on the acidity of the coffee made with them. Finely ground coffee will have more contact with water while brewing, extracting more natural acids from the coffee, increasing the acidity of the coffee.
How does the pH level change the flavour of your coffee?
The liveliness or brightness of coffee is basically its acidic nature, and is loved by people around the world. This acidity enhances the taste and complex flavour profile of coffee. When the coffee becomes more acidic, the bitterness of the coffee becomes more evident in the taste, which can lead to an unpleasant experience for many.
How to reduce acidity
Want to decrease the acidity of your coffee? Try out these methods that will be helpful to increase the pH level of your beverage.
Choose dark roast.
As dark roasted coffee is roasted for a long time, it breaks down the natural acids present in the coffee. This results in a smooth flavour of coffee. Also, the dark roasted coffee has a rich undertone, enhancing its taste and aroma.
Drink cold brew.
Cold brews have a lower acidic level compared to hot coffee, as temperature also affects the acidic nature of coffee. As the cold brewing process extracts fewer acidic compounds, it results in a more gentle coffee. It is a good option for people who like iced coffee without an acidic taste.
Increase brew time.
If you extend the brew time, it provides more time for coffee grounds to release more flavour to balance the acidity. When brewed for a longer time, deeper notes of coffee are extracted that can counteract the acids. Also, don’t overdo the brew time while preparing your coffee drink, as it can lead to more bitterness.
Coarser grind
The grind size of the coffee bean also changes the acidity of the coffee brewed from it. Fine grinds extract more acidic notes faster into the coffee. If the grind size is big, it provides only a less acidic flavour to the coffee. In French press or cold brew methods, coarsely ground coffee beans are used for a smooth texture and lower acidity.
Brew at low temp.
Using too hot water to brew coffee extracts more acidic and bitter compounds into the coffee. However, brewing coffee at a slightly low temperature can reduce the acidity of the coffee. Allowing water to cool down a bit after boiling before pouring it into the cup makes a big difference in the flavour of your coffee.
Conclusion
Coffee is naturally acidic, and understanding the pH of coffee helps you to appreciate your cup of coffee more. Many factors affect the acidity and pH level of coffee, such as roast level, brewing method, water quality, and grind size. If you want a less acidic coffee, small changes in how you brew coffee can make a big difference in the taste and flavour of your coffee.
