Is Espresso Less Acidic Than Coffee?

The acid content in coffee doesn’t refer to the PH level but is one of the fundamental flavor attributes, body, fragrance, sweetness, bitterness, and aftertaste. Too little acidity might result in a flat or dull coffee.

There are inevitable consequences for persons with a fragile digestive system. High-quality coffee might produce acid reflux or otherwise irritate the stomach due to elevated concentrations of beneficial organic acids. 

While people with regular digestive systems can manage the great acids (that are helpful to your wellbeing), there is a market for low-acid coffees.

Science Behind Acidic Nature of Coffee

Many people believe that Espresso is less acidic than regular coffee. But is this the case? Let’s take a deeper look at the science behind espresso and coffee acidity!

Coffee consists of over one thousand different molecular compounds, contributing to its aroma and flavor. Furthermore, the interaction between these compounds gives rise to the taste we know as coffee.

Trigonelline is a particular amino acid. It is present in coffee, which quickly breaks down into other chemicals in the presence of water. One of those breakdown products is niacin or vitamin B3.

When niacin decomposes in Espresso, it releases nicotinic acid. Nicotinic acid has many health benefits. When we take it internally (such as to fight depression), Espresso contains this compound. It can upset your stomach if you consume it too much. So while Espresso may be less acidic than regular coffee, it can still cause problems if taken in excess.

Is Espresso less acidic than coffee?

All espressos are not equal. The acidity level varies depending on what beans we use, as well as how they’re roasted and extracted from the ground variety in question – but it’s possible for someone who doesn’t want their coffee to taste like blackboard paint (or anything close!) They might prefer something with less of an edge where smootherness reigns supreme instead!

Research shows Espresso has higher levels of antioxidants than regular coffee. This is due to the process by which they make it; we lose melanoidins during extraction. We can protect them if we roast very carefully for an extended period at low temperatures with little moisture on them (around 160 degrees Fahrenheit).

The pH of Espresso is around 6, while regular coffee has a pH of about 4.90-5. This means that Espresso is slightly less acidic than regular coffee. However, the difference in pH is not enough to make a significant difference.

However, We believe Espresso is less acidic than regular coffee because Espresso has a high concentration of more intense flavors, including the bitter-tasting chemicals quinic acid and caffeic acid.

We can also find these compounds in smaller quantities in regular coffee beans, but their concentrations are much more in Espresso because of the darker roast involved in Espresso.

How To Make Espresso?

Espresso beans are roasted longer and at a higher temperature than regular coffee beans. This roasting results in a more intense flavor that some belief is less acidic than regular coffee.

Espresso is made by forcing pressurized hot water through finely-ground coffee beans. The espresso machine applies pressure of about 9 bar (130 psi), which is enough to make the water vaporize and create a creamy espresso with a very tight espresso crema on top.

The History Of Espresso

When Espresso was first discovered in Europe, espresso machines were not standard, and espresso bars did not exist. Most Espressos were consumed at home by mixing them with hot water to make caffè americano.

In the 1950s, espresso cafes started appearing all over Italy and other European countries. Espresso was later introduced to North America, where Espresso soon became the most popular coffee drink.

Espresso is often consumed as cappuccinos and lattes in espresso cafes and espresso bars. Earlier this year, scientists at the University of Vienna started to analyze the composition of Espresso by separating individual compounds using chromatography.

The same method was used in a previous study published in 2002. In the study from 2002, they discovered that Espresso has much more caffeine than regular coffee.

Benefits Of Espresso

While many people believe that the caffeine in coffee beans will give them an “energy boost,” it is this other substance called antioxidants. Antioxidants help protect us from cell damage and promote healthy cells. Still, when extraction processes remove these melanoidins (a type of antioxidant), consumers lose some protection against aging-related illnesses like heart diseases or cancer!

Chlorogenic acid is another antioxidant found in Espresso, with concentrations up to four times higher than regular coffee. Caffeic acid and caffeic acid conjugates are the most abundant antioxidants in espresso coffee.

Higher concentrations of caffeic acid and chlorogenic acid in Espresso may lower esophageal cancer riskEspresso has been shown to have a lower pH compared with regular drip-filtered coffee.

Acid reflux is a common cause of esophageal cancer, so Espresso having less acidity may have beneficial effects against stomach diseases. In addition to being an antioxidant and anti-reflux agent, caffeic acid has been shown to reduce inflammation.

It can also be converted into ferulic acid in our bodies, which is another antioxidant that has been shown to reduce inflammation. On average, Espresso has more caffeine and antioxidants than regular drip-filtered coffee.

Espresso also contains less acid, making Espresso a healthier beverage option than regular coffee.

Difference Between Espresso And Coffee

Espresso is a type of coffee made by forcing steam and hot water through finely-ground coffee beans. This produces a robust, rich coffee with a thicker consistency than regular coffee.

Espresso is less acidic than coffee because the roasting process is longer and at a higher temperature, which results in a more intense flavor. But is Espresso less acidic than coffee?

We usually roast Coffee beans at different temperatures to change the coffee’s flavor. The longer we roast the coffee bean, the darker it becomes and its flavor is more intense.

Darker roasts of coffee contain higher phenols concentrations than regular espresso roasts, producing weakly flavored Espresso with little to no espresso crema.


While Espresso is less acidic than coffee, it still contains high caffeine and antioxidants. The intense flavor of Espresso may be too strong for some people, but for those who enjoy its taste, Espresso provides a range of health benefits that regular coffee does not offer.

Mian Mohsin (MohsinZox)

About Author:

I'm Mian Mohsin the founder of the DeesCoffee. Here, I share step-by-step guides and explore different coffee products from my personal experience. Learn more...