Coffee Knowledge

The Coffee Belt
The Coffee Belt is a geographical area that stretches between the Tropics of Cancer and Capricorn. This tropical belt includes some of the world's most famous coffee-growing regions and spans continents such as South America, Africa, and Asia. The area is known for its warm climate, abundant rainfall, and fertile soil – conditions that together create the perfect environment for growing high-quality coffee. It is here that the finest Arabica and Robusta coffee beans thrive, making the Coffee Belt the very heart of the world's coffee supply. For coffee enthusiasts, knowledge of the Coffee Belt is key to understanding and appreciating the many different flavor nuances that coffee can offer, depending on where the beans originate.
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1 Honduras
Sweet and slightly tangy with notes of caramel.
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2 Guatemala
Spicy, fresh, and fruity.
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3 Colombia
Balanced and lightly sweet with notes of cinnamon and cocoa.
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4 Peru
Light body and sweet with notes of vanilla and almond.

Equator
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5 Brazil
Light body and lightly acidic with notes of citrus and fruit.
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6 Ethiopia
Light body with notes of fruit, flowers, and wine.
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7 Sudan
Rich in flavor, syrupy and sweet with notes of cocoa and spices.
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8 Papua New Guinea
Full-bodied with sweetness and flavors of ripe fruit.
The journey of the coffee bean
The coffee bean's journey begins in the lush fields of tropical regions and ends in your coffee cup. Each bean starts with careful cultivation and harvesting on coffee plantations, followed by a complex process of processing and roasting. This journey shapes the flavor, aroma, and quality of the finished cup of coffee. Processing, which occurs before the coffee is packed and shipped, can be done in several ways: sun-drying, washing, Pulped Natural (a combination of drying and washing), or Honey Process (slow drying under humid conditions). The result is a green core—the so-called coffee bean—extracted from the coffee berry. These green beans can be stored for up to two years before roasting.
The Coffee Plant, Coffea, belongs to the Rubiaceae family and includes over 120 species, the most well-known being Coffea Arabica and Coffea Canephora, better known as Robusta. The plant bears fruit in the form of coffee berries, which contain the actual coffee beans. Arabica is loved for its mild, nuanced, and complex flavor, while Robusta offers a stronger, more bitter profile and a higher caffeine content.


Coffee plantations
Coffee plantations form the backbone of global coffee production and play a central role in cultivating high-quality coffee beans. They are strategically located in tropical areas, particularly along the equator, where climate and soil conditions are optimal for the coffee plant. These ideal conditions include high temperatures, ample rainfall, and fertile soil. Plantations vary in size and range from small family-owned farms to large commercial enterprises.
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Climate
Coffee plants thrive best in tropical and subtropical climates, where there is moderate to heavy rainfall and a stable temperature year-round. The ideal temperatures typically range between 64 and 77 degrees Fahrenheit.
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Height
The altitude at which coffee plants are grown has a direct impact on their flavor profile and quality. Generally, higher altitudes yield coffee beans with greater complexity and more refined aromas.
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Soil
Coffee plants thrive best in well-drained, porous soil rich in nutrients. Soil with an acidic touch is often ideal for coffee plantations as it promotes optimal growth and development of the beans.
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Shade conditions
Some coffee plantations use shade-grown methods, where coffee plants are cultivated under natural shade from larger trees. This creates a microclimate that is more stable and less affected by extreme temperatures.
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Water and care
Regular watering is essential for the health and yield of the coffee plant. At the same time, the plants require proper pruning and care to ensure optimal growth and high quality in the beans.

Coffee roasting
Coffee roasting is the art of transforming raw, green coffee beans into the aromatic, brown beans we know and love. The process is crucial for unlocking the coffee's full flavor potential and developing its characteristic aroma. During roasting, the beans undergo complex chemical changes, where sugars and acids caramelize, creating a wealth of nuanced flavor notes.
Both the duration and temperature of roasting play a crucial role in the coffee's final profile – from a light roast with fresh, fruity, and acidic tones to a dark roast with deep, rich, and chocolate-like nuances.
Coffee roasting phases
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Drying
The moisture in the bean evaporates at high heat.
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Yellowing
The bean turns a yellowish color and emits a scent of hay.
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First pop
CO2 buildup causes the bean to expand and 'pop' like popcorn.
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Development
Duration and temperature determine whether the coffee is light, medium, or dark roasted.
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Other pop
Roasting can continue to the second crack for an extra dark roast, where the oils become prominent.
Coffee brewing
Coffee brewing is an art that uses different techniques to create the perfect cup of coffee. Each method highlights unique aspects of the coffee's flavor profile and can be customized to taste. The most popular methods include:
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French Press
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Pour-over
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Drip coffee
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Moka Pot
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Espresso
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Turkish coffee
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Coarsely Ground
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Coarse-medium grind
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Medium grind
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Medium-fine grind
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Finely ground
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Extra fine grind
Water
Water is crucial for the quality and taste of coffee brewing. Choosing and adjusting water quality, temperature, and other factors are essential to achieving the optimal cup of coffee with the desired flavor and aroma.
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Extraction
Water extracts flavors, oils, and soluble substances from the coffee beans during brewing. For a full and balanced extraction, high-quality water is required.
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Taste and aroma
Mineral content and purity directly affect the taste and aroma of coffee. Too much chlorine or hard minerals can give a bitter or metallic taste, while soft water promotes a more balanced profile.
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Temperature
An optimal brewing temperature of 90-96°C ensures effective extraction of flavors without overheating the beans.
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Relationship with types of coffee
Different types of coffee require tailored water conditions. Lightly roasted beans benefit from hotter water to enhance their complex flavors, while dark roasted beans thrive with slightly cooler water to avoid over-extraction.
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Brewing methods
The role of water varies with the brewing method. Pour-over and espresso require precise control and timing to ensure the desired coffee experience.

Coffee Grinding
Grind the coffee just before brewing to ensure optimal flavor and maximize aromas. A consistent grind and the right grind size are crucial for the taste experience and depend on the brewing method. The grind size determines how quickly the water passes through the coffee. If the grind is too coarse, the taste can be flat and underdeveloped, while a grind that's too fine risks making the coffee bitter and over-extracted. Grind Size:
- Fine Grind: Perfect for quick methods like espresso, where the larger surface area ensures a powerful extraction.
- Medium Grind: Ideal for balanced brews like pour-over and filter coffee, providing a mild and full-bodied flavor.
- Coarse Grind: Best for French press and cold brew, where less surface area and longer steeping time create a harmonious extraction.
Choice of Grinder:There are two main types: blade grinders and burr grinders. Blade grinders chop the beans unevenly, which can lead to inconsistent brewing. Burr grinders, on the other hand, grind the beans uniformly, promoting even extraction and a better, more nuanced flavor.


Master milk frothing and latte art
Learn the art of perfectly frothing milk and creating classic latte art designs like hearts and rosettes with our detailed guide. Get simple tips and tricks that take your coffee brewing to new heights — ideal for home baristas looking to impress with both taste and style.

Your guide to milk-based coffee drinks
Explore the most popular coffee variants like latte, cappuccino, and flat white in our complete guide.
Discover the differences in taste, texture, and ingredients, and find the perfect coffee type that matches your style. Create barista magic at home.
- ideal for those who love good coffee!

The Fascinating History of Coffee
Dive into the origins of coffee in Ethiopia and follow its exciting journey through Arabia and Europe to the entire world. Explore how coffee culture has evolved over time and the role it plays today.

Coffee and the Brain
Explore what research says about coffee's impact on cognitive abilities, productivity, and creativity. Learn how caffeine can both sharpen concentration and challenge sleep, and discover the positive and negative effects. Find out how a balanced intake can maximize the benefits – with science as your guide.

Coffee as a driver of civilization
Follow coffee's journey from its roots in Ethiopia to becoming a driving force behind European enlightenment and the industrial revolution. Explore how coffee has sparked innovation, shaped political ideas, and created social changes throughout history.
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