VGang Logo
chevron iconBack

Essential and Uncomplicated

Complete Coffee Guide: Types, Purity, Processes and How to Choose the Best

Discover the differences between types of coffee, purity criteria and how to identify quality coffee

Share:

Share on Whatsapp icon Share on Twitter icon Share via email icon

Coffee is one of the most consumed beverages in the world and comes in a huge variety of types, preparation methods and sensory profiles. However, not all coffees are equal in quality and purity. Understanding the differences between types of coffee, processing and roasting methods, as well as knowing how to interpret labels, can significantly enhance the experience of those who enjoy this beverage.

Image Exploring-new-cafes-is-a-fascinating-sensory-journey

Main Types of Coffee

1. Arabica Coffee

Arabica coffee ( Coffea arabica ) is the most valued and cultivated species at high altitudes. It is characterized by a milder flavor, lower caffeine content, and greater aromatic complexity, with notes ranging from fruit, chocolate, caramel, and nuts. Arabica beans are the most commonly used in specialty and gourmet coffees.

2. Robusta Coffee

Robusta coffee ( Coffea canephora ) has a higher caffeine content and a more intense, bitter flavor. It is grown at lower altitudes and has less aromatic complexity. It is frequently used in blends to give coffee more body and intensity.

3. Specialty Coffee

Specialty coffees are those that score at least 80 points on a scale of 100, according to the Specialty Coffee Association (SCA) evaluation. They are high-quality beans, free of defects and with complex flavors and aromas. They are usually composed of Arabica beans grown in ideal conditions and harvested manually.

4. Gourmet Coffee

Gourmet coffees are high quality, but they do not undergo the same rigorous criteria as specialty coffees. They are generally made from a carefully selected Arabica beans, providing a balanced and refined flavor.

5. Traditional and Extra Strong Coffee

Traditional coffees are the most widely consumed in Brazil, often made from a blend of Arabica and Robusta beans. Traditional coffee is medium roasted, while extra strong coffee is darker roasted, resulting in a more intense and bitter flavor. Many low-quality brands include impurities and defective beans in their composition.

6. Organic Coffee

Produced without pesticides or chemical fertilizers, organic coffee complies with environmental and sustainability standards. It usually has a purer and more balanced flavor.

7. Decaf Coffee

Decaffeinated coffee undergoes processes that remove most of the caffeine without compromising the flavor. It can be a good option for those who want to avoid the stimulating effect of caffeine.


Image Abic-updated-seals
Source: ABIC

Coffee Processing Methods

After harvesting, coffee beans undergo different processes that directly influence their flavor and quality. The main methods are:

1. Wet Method (Washed)

In this method, the beans are fermented in water before drying, resulting in a coffee with a cleaner flavor and more pronounced acidity.

2. Dry Way (Natural)

The beans are dried with the fruit pulp, giving the coffee more sweetness and body. This method is common in countries such as Brazil and Ethiopia.

3. Honey (Peeled Cherry)

An intermediate technique between the wet and dry methods, where part of the fruit's mucilage is kept in the bean during drying, resulting in a coffee with a pronounced sweetness and velvety body.

Roasting: The Impact on Coffee Flavor

Roasting is one of the factors that most influences the flavor of coffee. The main types of roasting are:

  • Light Roast: It better preserves the original characteristics of the grain, highlighting its acidity and fruity notes.
  • Medium Roast: It balances acidity, sweetness and body, being the most recommended for appreciating the nuances of coffee.
  • Dark Roast: Intensifies bitterness and reduces acidity, common in traditional and extra strong coffees.

Image Coffee roasting affects its sweetness and acidity

Coffee Purity and Quality Certifications

The quality of coffee is directly linked to its purity and the absence of impurities. To identify a pure and well-sourced coffee, observe:

  • Reading the label: Check if there is information about 100% Arabica or Robusta, as well as the region of origin and quality certifications.
  • Absence of mixtures: Low-quality coffees may contain impurities such as husks, twigs and roasted corn.
  • Whole grains vs. ground: Opting for whole grains ensures that you are not purchasing blends with impurities.
  • Color and aroma: Coffees that are too dark may have been heavily roasted to mask defects.
  • Certification seals: Certifications such as Rainforest Alliance, Fair Trade and Organic guarantee high production standards.


Abic-coffee-quality image
Source: ABIC


Main Coffee Seals and Certifications

ABIC Purity Seal: Guarantees that the coffee contains no impurities and meets the quality standards defined by the Brazilian Coffee Industry Association.

Rainforest Alliance: Certifies sustainable production practices, protecting biodiversity and ensuring better conditions for rural workers.

Fair Trade: Ensures that coffee producers receive a fair price for their product, promoting social and economic development.

Organic: Indicates that the coffee was grown without the use of pesticides, chemical fertilizers, or genetically modified organisms.

UTZ Certified: Focuses on traceability and sustainability, ensuring that the coffee was produced with environmental and social responsibility.


Image Certification Seals


How to Choose a Good Coffee

🔸 Set your favorite flavor profile

🔸 For a smooth and aromatic coffee, choose light or medium roast Arabica.

🔸 For a full-bodied and intense coffee, choose Robusta or dark roast blends.

🔸 For balance, opt for gourmet and specialty coffees.

🔸 Choose whole beans and grind them freshly: Coffee beans preserve aromas and flavors better. Use a grinder to grind the coffee just before preparing it.

🔸 Pay attention to the roasting date: Fresh coffees (roasted less than 45 days ago) have more flavor and aroma.

🔸 Avoid coffees that are roasted very old.

🔸 Choose certified coffees: Certifications guarantee that the coffee has undergone rigorous quality and purity processes.

Image Choose-whole-bean-coffees-pay-at-the-roasting-date-and-choose-certified-coffees

Knowing the different types of coffee, roasting processes, certifications and preparation methods helps you choose coffees of higher quality and purity. Whether you are a casual coffee drinker or a true coffee lover, exploring new varieties can enrich your experience and broaden your understanding of this versatile and complex beverage.

See:

You might also like to read

Receive our news