Is Black Coffee Espresso?

Espresso is a type of strong black coffee that is brewed using a specific procedure. In a coffee brewing machine with a filter, ground coffee beans are brewed.

The most popular home brewing methods are the French press and the automatic drip.

When prepared properly, espresso yields a potent cup of dark coffee. Any type of coffee bean can be used, but for the finest flavor, most people opt for a blend.

To brew a cup of coffee, the entire bean must be ground. It's estimated that almost 80% of all ground coffee is used in the domestic brewing process.

To use in drip systems, the beans are ground coarsely. Coffee is emulsified with the help of hot water that is poured over it. Additionally, there are single-serve coffee making devices like the Keurig, Nespresso, and Tassimo. While the French press does not use paper, it retains its oils and body by not filtering the coffee through it.

Espresso is brewed in a different method than other types of coffee. Pressurized hot water is forced through ground coffee for 20-30 seconds. The result is a more robust cup of joe. Also, a layer of foam builds on top. We call it crema. Coffee oils are emulsified into a colloid to form the crema. Crema should have a dark mahogany color and a few gas bubbles in it.. Coffee beans may have lost sugar and fat while being processed, and this can be seen in the appearance of the crema (the milky layer that forms on top of an espresso shot).

A cup of coffee is normally 8 ounces, whereas an espresso is often 1 ounce.

Caffeine content varies from 80 to 185 milligrams in an 8-ounce cup, depending on the method of brewing. Caffeine content in a 2 oz espresso typically ranges between 60 and 100 milligrams. When it comes to caffeine, espresso has 30-50mg per ounce, compared to 8-15mg in cup-brewed coffee. As a result, a single espresso has more caffeine than a cup of coffee, which is the standard serving size for an espresso.

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About US | OCM Profile

OCM ( was started in 2007 with the first webpage about coffee machines. And for a number of years, we focused on helping people find their desired coffee machine (we still are helping folks with that! So, if you are looking for coffee machines for office or restaurants - check out the link). 

In 2010, we started getting enquiries on restaurant marketing and we start to help food and beverage brands with their marketing. Below are campaigns and events that we have done over the years: 

OCM's campaigns: F&B Marketing Ideas by OCM 

OCM's Events: F&B Industry events by or with OCM

Check out this restaurant marketing guide to learn more about the many campaigns and companies we have worked with. 

Since then, we have also created many marketing workshops and classes for the F&B industry. Many of these modules are still running in tertiary institutions such as Temasek Polytechnic Skillsfuture Academy and also ITE College East COC classes, below are some snippets of our lectures and workshops: 

OCM’s F&B workshops: Food and Beverage Marketing Lectures | Workshops - click to watch classes on customer journey map, JTBD and more. 

So, if you are looking for industry practitioners to help you scale your coffee or F&B businesses, do drop us a message or book an appointment. Do also check out our various social media platforms on regular F&B and coffee market updates: 

For regular coffee (F&B) related videos: OCM Youtube

For Daily Coffee Inspiration (fun coffee content): OCM IG

For insights into the coffee (F&B) industry: OCM LinkedIN 

PS: For the coffee lovers, we continue to share coffee articles (and videos) and have also started a free coffee class section (with free online coffee training supported by coffee partners).

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