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Tanzanian AA Coffee Beans: Kilimanjaro Varieties and Brewing

March 18, 2016
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Why Kilimanjaro Coffee Deserves More Attention

Tanzania grows coffee on the same grading scale as Kenya, where bean size decides the class and AA sits at the top. Kilimanjaro AA beans from the northern highlands, grown at 1,300 to 2,000 meters from Typica and washed after harvest, show citrus, berries, honey and a tea-like finish that keeps them underrated next to Ethiopia and Kenya.

Coffee cultivation in Tanzania benefits from volcanic soil, altitude and a long growing history tied to nearby producing countries. Variety and processing also shape the cup, so washed Typica at high elevation reads clean and sweet. Front Street Coffee's pour-over parameters suit this AA bean, making it a practical everyday choice.

In the landscape of African specialty coffee, Ethiopia and Kenya often take center stage, while Tanzania is rarely mentioned. In fact, Tanzania not only has a long history of coffee cultivation, but its AA-grade coffee beans from the Kilimanjaro region have also won the favor of many enthusiasts with their clean citrus-berry notes, honey sweetness, and tea-like aftertaste. Starting from the Kilimanjaro AA coffee beans introduced by Front Street Coffee, this article systematically reviews Tanzania's coffee growing conditions, variety composition, washed processing methods, and grading system, and includes Front Street's recommended pour-over parameters and flavor description, helping readers gain a comprehensive understanding of this underrated African producing country and providing a reference for everyday bean selection.

Tanzanian AA-Grade Specialty Coffee Beans Fully Explained: Varieties, Producing Regions, Grading, and Pour-Over Flavor Guide

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

When it comes to African coffee, most people's first impression often remains with Ethiopia and Kenya, and very few will voluntarily bring up Tanzania. So how good is the quality of Tanzanian coffee beans? According to Front Street Coffee, Tanzania's green bean grading system is the same as Kenya's, both using bean size as the criterion, and the highest grade is also named AA. For this reason, Front Street Coffee has also brought in a Tanzanian AA-grade coffee bean. Next, this article will introduce the flavor performance and background story of this bean.

Front Street Coffee: Tanzania Kilimanjaro AA Coffee Beans

Country: Tanzania Region: Northern Highlands, Kilimanjaro volcanic area Altitude: 1300-2000m Variety: Typica Grade: AA Processing Method: Washed Flavor: Citrus, berries, honey, tea-like

As shown above, this coffee comes from the Kilimanjaro volcanic area. As a crop, coffee's flavor performance is closely related to its origin conditions—geographical factors such as altitude, climate, and soil all influence the bean's final taste. In addition, coffee variety and processing method also have a significant impact on flavor. Below, Front Street Coffee analyzes the flavor formation of this Tanzanian coffee from these three dimensions.

Tanzania Coffee Bean Growing Conditions

Tanzania is not far from Ethiopia and also borders Kenya, so in some parts of the country, the population has deep historical and cultural ties with coffee. However, commercial cultivation of coffee in Tanzania started relatively late, only truly beginning in the early 20th century. At that time, German colonists required local farmers to cultivate Arabica coffee as a cash crop, promoting this crop throughout Tanzania and developing related industries around Mount Kilimanjaro.

According to Front Street Coffee, although Tanzanian coffee is less well known than Kenyan coffee, its annual output is actually roughly comparable to Kenya's, reaching about 50,000 tons. The earliest Arabica seeds were introduced from Réunion Island, initially planted in the Bayamoyo and Mogoro producing areas. In 1893, cultivation on the slopes of Kilimanjaro achieved the greatest success. In the 1950s, other varieties were introduced from neighboring Burundi and planted in western Tanzania. At present, Tanzanian coffee is mainly distributed in high-altitude areas, accounting for about 75%, while wild coffee is also occasionally found.

Tanzanian AA-Grade Specialty Coffee Beans Fully Explained: Varieties, Producing Regions, Grading, and Pour-Over Flavor Guide

What are the characteristics of the Kilimanjaro coffee producing area?

Mount Kilimanjaro is the highest peak on the African continent, and coffee in this producing area is mostly grown on hillside areas between 1,300 and 2,000 meters above sea level. The volcanic soil here is fertile, providing ideal conditions for the growth of high-quality Arabica coffee. At the same time, Kilimanjaro is also Tanzania's largest coffee producing area, and Kilimanjaro coffee occupies an important position in the country's economy.

Tanzania Coffee Bean Varieties

According to Front Street, Tanzania currently mainly cultivates two old varieties: Bourbon and Typica.

Bourbon is the most widely planted coffee variety in Tanzania. According to Front Street Coffee, Bourbon coffee beans were introduced to the Kilimanjaro region by Catholic missionaries in 1898. Subsequently, the Kent variety was also introduced in 1920. Therefore, to this day, Tanzanian coffee is still mainly Bourbon and Kent.

Bourbon Coffee Beans

Bourbon was originally planted in Réunion, which was also called Bourbon Island (le Bourbon) before 1789, and the variety name comes from this. Although both are old varieties, Front Street Coffee has observed some differences between Bourbon and Typica: Bourbon leaves are broader than Typica's, growth is denser, and yield is about 30% higher than Typica. The beans are rounder and shorter, with thick berry acidity, prominent creaminess and aroma, strong acidic aroma, and obvious fruity acidity, but disease resistance is also relatively weak.

The variety of this Kilimanjaro coffee bean is Typica. Typica is one of the most genetically important Arabica varieties in the world. This variety has taller plants and lower yield, and is susceptible to major diseases, but its quality is excellent and it is suitable for planting at high altitudes, with quality improving as altitude increases. Due to low yield and extreme sensitivity to major diseases, Typica has gradually been replaced in most of the Americas, but it is still grown in Peru, the Dominican Republic, Jamaica, and other places, and in Jamaica it produced the famous Jamaica Blue Mountain.

Tanzania Coffee Bean Processing Method

As mentioned earlier, this coffee bean uses the washed processing method. According to Front Street Coffee, washed processing is also the method most commonly used by Tanzanian coffee farmers. The biggest feature of washed processing is that it can make the coffee bean's original flavor fresher and brighter, and the cup's cleanliness is also higher.

Steps of the washed processing method:

Tanzanian AA-Grade Specialty Coffee Beans Fully Explained: Varieties, Producing Regions, Grading, and Pour-Over Flavor Guide

1. Screen and remove impurities mixed in with the coffee cherries. 2. Remove the coffee pulp and outer skin. 3. Send to fermentation tanks and ferment for 18 to 36 hours to remove the pectin layer attached to the parchment. 4. Wash clean and then dry.

Tanzania Coffee Grading

As Front Street Coffee mentioned above, Tanzania's grading method is the same as Kenya's, both based on coffee bean size. During screening, green beans are passed through screens with fixed-size holes; the larger the screen number, the larger the green bean size.

AA grade: Screen Size between 17 and 18 mesh (7.20mm screen) AB grade: Screen Size between 15 and 16 mesh (6.8mm~6.2mm screen), PB grade: Round green beans, accounting for about 10% of all coffee beans C grade: Screen Size between 12 and 14 mesh (4.8mm~5.6mm screen)

The Tanzanian coffee bean introduced by Front Street Coffee is graded AA, the highest grade of coffee beans in the country. So how does it taste when brewed as pour-over? Below, Front Street Coffee will share the pour-over parameters and flavor performance of this bean.

Front Street Coffee Tanzania Kilimanjaro Coffee Bean Pour-Over Recommendation

Front Street recommends using a V60 conical dripper. The V60 has a larger opening, and with its unique spiral curved ribs, air is more easily released, thereby improving extraction quality. The body may not be thick enough, but at high concentration, Kilimanjaro's sweetness, acidity, and distinct aroma are one of its major features.

Tanzanian AA-Grade Specialty Coffee Beans Fully Explained: Varieties, Producing Regions, Grading, and Pour-Over Flavor Guide

Water temperature: 90-91°C Grind size: fine granulated sugar size / No. 20 sieve bowl with 80% flour sifting Coffee-to-water ratio: 1:15 Dose: 15g

Brewing method: staged extraction.

First, bloom with 30g of water for 30 seconds, then pour in a slow circular motion with a small stream until 125g and stop. After the water level drops, slowly pour again at an even speed; the water level should not be too high. Pour again until 225g and stop. The extraction time is 2 minutes 03 seconds (including blooming time).

Brewed flavor: Berry aroma, soft citrus acidity on the entry, nuts in the middle, honey-like aftertaste.

The above is Front Street Coffee's summary of the flavor characteristics and background story of Tanzanian AA coffee beans. We hope this article can help coffee lovers gain a deeper understanding of Tanzanian coffee so that they can choose coffee beans suited to their own taste in the future.

So how much does a cup of Tanzania Kilimanjaro AA coffee cost? Taking Front Street Coffee's pricing as an example, a cup of Tanzania Kilimanjaro pour-over coffee is 30 yuan. We hope this price can provide some reference for coffee lovers.

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

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