Is coffee acidic?

Using the pH scale to determine, most coffee varieties have an average pH value of 4.85 to 5.10 which is acidic. 

The brewing process releases nine major acids listed from highest concentration to lowest: chlorogenic, quinic, citric, acetic, lactic, malic, phosphoric, linoleic, and palmitic, that contribute to its unique flavor profile.

However, these factors, “roasting”, “brewing”, “ground size”, play a role in coffee acidity variations. 

Roasting . . . Both roasting duration and temperature determine the acidity of coffee  Studies showed that the longer and hotter coffee beans were roasted, the lower their chlorogenic acid levels.

Cold brewing . . . cold-brewed coffee has significantly lower acidity than hot coffee.

Ground size . . . The smaller the ground, the greater the surface area exposed relative to volume, which leads to more acid being extracted in the brewing process.

Darker roasts are lower in acidity than lighter roasts which tend to be higher in acidity.

A shorter brewing duration resulting in a more acidic beverage than a moderate duration resulting in a lesser acidic one.

Therefore, using a finer grind will result in a more acidic cup of coffee.

The roasting duration, brewing method, and fineness of the grind are several factors that contribute to coffee’s acidity.


Stuff on office coffee machines

How coffee machine suppliers can offer low or even no payment for most of the barista coffee machine rental

Looking for a office coffee machine with touch screen, then read more about these machines' technology. 

Do you know that the first office coffee service provider is also the world's largest coffee roaster? 

4 Common and Popular types of Office Coffee Machines 

By: Douglas


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About US | OCM Profile

OCM (OnCoffeeMakers.com) 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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