2024 Author: Jasmine Walkman | [email protected]. Last modified: 2023-12-16 08:29
Coffee is the largest source of caffeine. Most often, a cup of coffee contains 95 mg caffeine, but depending on the type of drink and its composition, this weight can vary from 0 to 500 mg.
In this article we will introduce you to the caffeine content in different types and brands of coffee.
What factors determine the caffeine content?
The content of caffeine in coffee depends on the following factors:
- the type of beans - there are many types of coffee beans, which respectively may contain different amounts of caffeine;
- roasting - less roasted coffee contains more caffeine than more roasted coffee, although more roasted coffee has a stronger taste;
- type of coffee - caffeine content can vary significantly between different types such as brewed coffee, espresso, instant coffee and decaffeinated coffee;
- the size of the coffee - one cup of coffee can vary from 30 to 700 ml, which significantly affects the total caffeine content.
How much caffeine is in a cup of coffee?
Let's take a look how much caffeine is contained in a cup of coffee depending on the type of coffee you drink.
Brewed coffee
Also known as normal coffee, brewed coffee is made by pouring hot or boiling water over ground coffee beans, usually using a filter. One cup of coffee (120 ml) contains about 70-140 mg caffeine.
Espresso
Espresso is made by passing a small amount of hot water through finely ground coffee beans. Although espresso contains more caffeine than normal coffee, the size of a cup of espresso is usually smaller. One dose of espresso is usually about 30-50 ml and contains about 63 mg of caffeine.
Espresso-based drinks
Very popular coffee drinks are made from espresso shots mixed with different types and amounts of milk. These include: Late, Cappuccino, Macchiato and Americano. Because milk does not contain caffeine, these drinks contain the same amount of caffeine as pure espresso. One shot usually contains about 63 mg of caffeine on average, and a double shot - about 125 mg.
Instant coffee
Instant coffee is brewed coffee that has been frozen or spray dried. It is prepared by adding warm water to it. It usually has less caffeine than normal coffee and contains 30-90 mg per cup.
Decaffeinated
Despite the misleading name, decaffeinated coffee is not completely decaffeinated. It may contain different amounts of caffeine per cup ranging between 0-7 mg.
Is there more caffeine in brand coffees?
Yes, some brands of coffee contain more caffeine than normal coffee. They are known for their large cup sizes, up to 700 ml, which correspond to 3 to 5 normal coffees.
Starbucks
Starbucks offers coffee with an extremely high caffeine content. By comparison, a Starbucks espresso shot contains 75 mg of caffeine (a normal shot usually contains 63 mg). So, even the smallest coffees with one shot of espresso contain at least 75 mg of caffeine. Their large coffees (about 500 ml) contain somewhere between 150 or 225 mg of caffeine. Decaffeinated coffee can contain up to 15-30 mg of caffeine.
McDonald's
McDonald's also offers coffee around the world, most often under the McCafe brand. Although they are one of the largest fast food chains selling coffee, they do not standardize or calculate the amount of caffeine in their coffee. Their espresso usually contains about 71 mg per dose, and decaffeinated coffee contains 8-14 mg, depending on the size of the cup.
Dunkin Donuts
Dunkin Donuts is another chain of coffee and donut shops that is very popular worldwide. Their single espresso shot contains 75 mg of caffeine, and you can expect the same dose in their other espresso-based drinks. Decaffeinated coffee from Dunkin Donuts in a small cup (300 ml) contains 53 mg of caffeine, and a large cup (700 ml) contains 128 mg.
Should we worry about the amount of caffeine?
Coffee is rich in antioxidants, which, according to many studies, makes it good for health. However, excessive caffeine can lead to a number of health problems such as anxiety, sleep disorders, palpitations and anxiety.
Consumption of 400-600 mg of caffeine per day is usually not associated with adverse effects in most people. With this in mind, caffeine can affect each person differently, so personal judgment is important.
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