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Brazil Coffee Bean Processing and Low-Acid Bourbon Flavors

April 25, 2019
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How does coffee bean processing shape Brazil's low-acid flavor?

Brazil is the largest Arabica producer, and its coffees are known for low acidity and a full body. Two examples illustrate this: Red Bourbon from South Minas at 1000m and Queen's Farm Yellow Bourbon from São Paulo state at 1400m to 1950m. Both are roasted medium-dark to bring out nut, chocolate and cream notes.

The two lots share semi-washed, or pulped natural, coffee bean processing, in which mucilage is left on the parchment during drying; the Queen's Farm lot also appears as a natural. Brazil's Arabica harvest is about 30% of world output, so its volumes move Arabica futures prices. Coffee reached Brazil around 1727, according to the account of the Portuguese officer Palheta.

Brazil, as the world's largest producer of Arabica coffee, is known for its low-acidity, full-bodied flavor profile. Front Street Coffee currently offers two Brazilian coffee beans—Red Bourbon and Queen's Farm Yellow Bourbon—both roasted to a medium-dark level to highlight nutty, chocolatey, and creamy smooth notes. This article will review the history of coffee cultivation in Brazil, analyze the flavor differences between Red Bourbon and Yellow Bourbon, and introduce Brazil's unique semi-washed processing method, helping coffee enthusiasts understand the cupping performance and brewing key points of low-acidity coffee.

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee)

Front Street Coffee currently offers two Brazilian coffee beans. To highlight the low-acidity, full-bodied flavor characteristics of Brazilian coffee beans, Front Street Coffee roasts Brazilian coffee beans to a medium-dark level and ships within 5 days after roasting. Regardless of the coffee bean, Front Street Coffee adheres to the principle of selling only freshly roasted coffee beans, so that everyone can experience the best coffee flavor.

Front Street Brazil Red Bourbon Coffee Beans

Country: Brazil

Region: South Minas

Altitude: 1000m

Variety: Red Bourbon

Processing Method: Semi-washed

Flavor: Nut, Chocolate, Cream, Peanut, Caramel

Front Street Brazil Queen's Farm Coffee Beans

Country: Brazil

Region: São Paulo State, Queen's Farm

Altitude: 1400-1950m

Variety: Yellow Bourbon

Processing Method: Semi-washed / Natural

Flavor: Nut, Cream, Peanut, Fermented Fruit, Sucrose

Brazil is not only known as the kingdom of football, but also a land surrounded by palm trees and coffee trees, vividly called the giant and monarch of the coffee world. Brazil's annual Arabica coffee harvest accounts for about 30% of global production, and its production fluctuations are also a key factor affecting the price trends of Arabica coffee futures.

Flavor analysis of Brazilian naturally low-acid coffee: From cultivation history to Bourbon varieties and semi-dry processing

Brazil ranks first in the world in coffee production and is also one of the countries with the longest history of coffee production. So how did coffee come to Brazil? In this article, Front Street Coffee will talk with you about the world's largest Arabica coffee producing country.

A Brief History of Coffee Cultivation in Brazil

According to legend, in 1727, Portuguese military officer Palheta, in order to please the wife of the governor of French Guiana, gave some coffee seeds as a gift. Limited by climate and altitude conditions, the initial coffee cultivation results were not ideal. It was not until 1774 that a Belgian missionary tried planting in the warmer climate of southern Brazil and finally succeeded, after which coffee gradually spread throughout Brazil.

In 1727, Typica had already been planted in Pará Province in northern Brazil. Typica quickly adapted to the local soil and water conditions and spread to the more fertile regions of southern Brazil. However, Typica in South America all originated from the "European mother plant," and genetic uniformity made it extremely vulnerable to being completely wiped out by pests and diseases.

After 1860, Brazil introduced round-bodied Bourbon from Bourbon Island to replace Typica, which had relatively low yield. This was the first time Bourbon coffee entered Central and South America, and afterward it spread northward from Brazil as a starting point to other regions of South America and Central America. After that, coffee quickly adapted to the environment in Brazil, spreading from the north to São Paulo State in the southeast and Paraná Province in the south. However, these regions are at slightly higher latitudes, and frequent winter frosts caused serious losses to coffee farmers.

Thus, between 1970 and 1980, Brazilian farmers turned to developing the warmer climates of Minas Province, Bahia, and the São Paulo region in northern São Paulo State, where winters are warm and frost does not occur. To this day, these three states have become the main producing regions of Brazilian specialty coffee.

Brazilian Coffee Varieties

At present, the main specialty coffee producing regions of Brazil mainly cultivate Bourbon-lineage varieties, such as Red Bourbon, Yellow Bourbon, and Caturra, among which Bourbon still dominates.

The difference between Red Bourbon and Yellow Bourbon is that Red Bourbon shows the color of fully ripe Bourbon fruit. The leaves of the Bourbon variety are relatively broad and grow densely. Although its yield is higher than Typica, its harvest cycle is also two years, so it still belongs to a relatively low-yield variety. Through comparative cupping by Front Street Coffee, it was found that Red Bourbon coffee beans have a high-quality mouthfeel, with a faint fermented fruit acidity and a good sweet finish.

Yellow Bourbon is a natural mutation of Red Bourbon that occurred in São Paulo State, Brazil. After the fruit fully ripens, it does not turn red but instead appears orange-yellow. Yellow Bourbon can only be found in the São Paulo region of Brazil. Through comparative cupping by Front Street Coffee, Yellow Bourbon coffee beans have a cleaner mouthfeel than Red Bourbon coffee beans, with balanced and smooth acidity, a weak and clean bitterness, an overall bright and refreshing character, and higher sweetness.

Brazilian Coffee Bean Processing Method — Semi-Washed Processing

The semi-washed processing method is one of Brazil's unique coffee processing methods. This is because Brazil, based on its relatively dry local climate conditions, created the locally distinctive semi-washed method to process green coffee beans.

Semi-washed processing can control the degree of fermentation of the mucilage-covered beans after pulping and demucilaging. The semi-washed processing method does not involve the tank fermentation or clean-water rinsing process of washed processing. Without the fermentation step, the flavor of the coffee beans is completely different.

Front Street Coffee, by using multiple coffee beans processed by the same method but grown in different regions, found that their common characteristic is that they all have a full-bodied, low-acidity flavor and mouthfeel, along with a creamy smoothness.

Pour 30ml for the first stage and let it bloom for 30 seconds. For the second stage, pour 100ml in a circular motion from the center outward. After the water level drops slightly, begin the third stage of pouring, adding 95ml. After the coffee liquid finishes dripping, extraction is complete, with a total time of 2 minutes.

Front Street Brazil Cerrado Coffee Bean Flavor: Obvious sweetness on entry, with a faint lemon aroma, containing rich nutty flavor. The latter part shows a distinct dark chocolate note, and the overall impression is relatively rounded.

Front Street Brazil Queen's Farm Coffee Brewing Flavor: The fresh sweetness of sugarcane juice, black tea, soft and smooth fruit sweetness, obvious nutty flavor, balanced and smooth acidity, weak and clean bitterness, containing rich chocolate aroma and nutty flavor, with a bright and refreshing mouthfeel and a silky, delicate texture.

The above content is compiled by CoffeeHunters, a coffee news website.

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