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1. What is coffee roasting?
Roasting is the process by which green coffee beans are heated to high temperatures to release essential oils and aromas. Under the influence of heat, the beans, initially green and vegetal in taste, transform into brown, aromatic coffee beans, ready to be ground and brewed. Roasting is crucial as it triggers the release of complex aromas and flavors that make each cup of coffee unique. It is through this process that coffee acquires its various flavor nuances, from fruity acidity to chocolate sweetness, including spicy and woody notes.
2. Why is roasting essential ?
3. How does the roasting process work ?
The roasting process is meticulous and follows several steps :
Step 1 : Selection of green beans
It all begins with the selection of quality green coffee beans. The beans are chosen based on their origin and unique characteristics.
Step 2 : Heating and aroma development
The beans are then heated in roasters. This moment is the central step of the roasting process, where the green beans undergo a profound chemical transformation. When heated to temperatures between 180 and 230°C, a series of chemical reactions occur, including the Maillard reaction, which is essential for developing the characteristic flavors and aromas of coffee.
Step 3 : Rapid cooling to preserve flavors
Once the desired roasting degree is reached, the beans are quickly cooled to stop the cooking process. This immediate cooling helps retain the flavors developed during roasting and prevents them from dissipating.
4. Does the degree of roasting affect the taste of coffee ?
The degree of roasting directly influences the taste of coffee, and there are several levels of roasting, each bringing distinct characteristics :
Light roast :
It highlights floral and acidic notes. Light coffees are often fruitier and more delicate, perfect for those who enjoy a fresh and lively coffee. An example of a capsule with this roast is the Ethiopia capsule, renowned for its floral aromas and sweetness.
Medium or intermediate roast :
It offers a balance between sweetness and intensity. This is the ideal roast for those who enjoy a well-balanced coffee, with a slight sweetness and complex flavors. The iconic Livanto capsule offers a harmonious taste with a slightly sweet note—a perfect balance of sweetness and richness.
Dark roast :
It produces rich and bold flavors, perfect for lovers of strong and intense coffees. Notes of chocolate, hazelnut, and caramel often stand out. A good example of this roast is the Arpeggio capsule , which delivers a strong and intense flavor, ideal for those who enjoy a robust and deep coffee.
5. Why choose capsules to enjoy roasted coffee ?
Nespresso capsules offer a convenient and quick way to savor roasted coffee while ensuring optimal freshness. Thanks to their airtight sealing and composition made from 80% recycled aluminum, the aromas of roasted beans are perfectly preserved, guaranteeing consistent quality, cup after cup. The capsules are available in a wide range of flavor profiles, allowing everyone to find the coffee that matches their preferences, whether it is a light and floral coffee, an intense Espresso, or a rich and bold coffee.
The capsules also provide unmatched convenience: simply insert them into your Nespresso machine, and within seconds, you will have a perfectly prepared coffee with optimal texture and flavor. It is a simple and quick way to enjoy quality roasting at home without compromising taste.
Roasting is at the heart of the coffee experience, and understanding its process allows for a deeper appreciation of the richness and diversity of flavors. By choosing the right Nespresso capsules, you can explore a range of quality coffees, from light roasting to dark roasting, with each capsule offering a unique and delicious flavor profile. Whether you are a fan of a sweet and floral coffee or a strong and bold Espresso, the perfect roast awaits you in every cup.
