Revolution of Coffee Roasting: From Manual to Machine

Revolution of Coffee Roasting: From Manual to Machine

Revolution of Coffee Roasting: From Manual to Machine – Roasting plays a crucial role in coffee making as it transforms green beans into coffee beans ready for grinding and brewing. This stage, in turn, determines the coffee flavor, aroma, and characteristics.


The history of coffee roasting is fascinating, with origins in manual processing and evolving into the widely used coffee roaster. But what was the first roasting machine? How did it transform? Keep reading to discover the roots of coffee roasting.

The Pan-Roasted Coffee Beans

Roasting Biji Kopi Dengan Panci​

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In the 15th century, when the Ottoman Empire and Persia were prominent, people discovered a way to roast coffee beans. They used a round pan with small holes in the bottom, made of metal or porcelain. This pan had a long handle for easy gripping. They would put the pan on a hot stove and roast the beans until they turned the right color. They would also have a spoon-like tool to stir the beans while they were in the roasting process.

This way of roasting coffee has some drawbacks. It creates a lot of smoke, dust, and silver skin. Moreover, it doesn’t roast the beans evenly and is hard to control.

The First Cylinder Roaster

Pemanggang Silinder Pertama

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In 1650, someone in Cairo invented a cylindrical coffee roaster to keep the beans in place while spreading heat evenly along the cylinder. They added a crank to rotate the cylinder, ensuring that each bean would receive even coverage during roasting.

This innovative design also reduced the smoke produced during the roasting process. The result was a more pleasant roasting experience. Cylindrical roasters spread throughout Europe and America, adapting and modifying over the years while maintaining the core concept.

The Industrial Era of Coffee Roasting

Roasting Kopi di Era Industrialisasi​

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As more people wanted coffee and technology improved, people got better at roasting coffee. In the 19th century, they created machines to roast coffee beans for businesses. They used different heat sources, such as direct flame or hot air, to roast the beans. These machines made roasting more consistent, easier to control, and more efficient. The result was a higher-quality coffee bean.

The Interplay of Coffee, Machine, and Coffee Beans

Listik, Mesin, dan Biji Kopi

In the 20th century, when electricity became widely available, coffee roasting underwent another transformation. Electric roasters became popular because they were easy to use and reliable. These machines had improved temperature controls, allowing roasters to try different roasting methods and see what works best.

The Unending Revolution

Revolusi Tiada Henti

Over the past few decades, technology and automation have transformed the coffee roasting industry. Today, roasters use advanced controls and computers to make better coffee. They can adjust important things like temperature, airflow, and how long the roasting process is. These improvements ensure that the coffee retains its consistent flavor and quality.

coffee roasting method

Pratter Indonesia Premium Artisan Coffee Roasting Machine

Pratter is a coffee roasting machine made in Indonesia. Seeing the great potential of the development of the coffee industry (roaster), Pratter Coffee Roaster can become one of the options for coffee roaster machines with the best quality and latest technology.

Pratter uses an approach to the needs of the Coffee Industry (Roaster) with the technology and features available in pratter. Developing and producing artisan-type machines (profiling and developing) yet with stability and endurance for a specialty or classic coffee product, that can meet the needs of long-term production.

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