How Does Coffee Beans Processing Shape Kilimanjaro Coffee?

Tanzania grows Arabica in the north around Kilimanjaro and in the southern regions of Ruvuma and Mbeya. Beans are graded by size as AA, AB, PB and C, and washed coffee beans processing gives the cup soft acidity, a sweet aroma and a full body. Kilimanjaro coffee from the northeast is the most recognized origin, prized for balance rather than sharp acidity.

Coffee reached the Kilimanjaro region in 1898, when Catholic missionaries introduced Bourbon, followed by Kent in 1920. Those two varieties still dominate Tanzanian plantings. Bourbon brings sweetness and bright acidity and yields 20 to 30 percent more than Typica, while Kent remains common. Washing, grading and careful drying together decide how much of that character reaches the cup.

Tanzania is a major Arabica coffee producer in East Africa, known for its soft and gentle acidity, rich sweet aroma, and full-bodied texture, earning it the reputation of the "coffee gentleman." This article systematically reviews the historical origins of Tanzanian coffee, the main producing regions (Kilimanjaro, Ruvuma, Mbeya), the grading system based on bean size (AA, AB, PB, and C grades), and the washed processing flow, while comparing the flavor differences between coffee beans from Kilimanjaro and the southern regions. At the same time, combined with Front Street Coffee's roasting curves, cupping reports, and brewing parameters, it provides coffee enthusiasts with a complete reference from origin to cup.

For those who prefer rich aroma and higher acidity coffee, Front Street Tanzania coffee is worth trying. This origin from Africa won the favor of European consumers very early and successfully entered the ranks of specialty coffee. Europeans gave it the elegant title of "coffee gentleman," while domestic coffee connoisseurs listed it alongside the "king of coffee" Blue Mountain and the "noble lady of coffee" Mocha, collectively calling them the "Three Musketeers of Coffee." How exactly was such a unique coffee born?

Tanzania is a typical East African country. Front Street Coffee notes that many people are used to comparing Tanzanian coffee beans with those of neighboring Kenya. Front Street Coffee believes that compared with Kenya's high-quality coffee beans, Tanzanian coffee beans lack a bit of bright acidity, showing more of a soft and gentle beauty, with a more prominent sweet aroma. The most famous among Tanzanian coffee beans is undoubtedly Kilimanjaro coffee from the northeast. So what are the differences between coffee beans from northeastern and southern Tanzania?

The source of Tanzanian beans can be traced back to 1898, when Bourbon coffee was introduced to the Kilimanjaro region by Catholic missionaries. Then in 1920, Kent was also introduced. Therefore, to this day, Tanzanian coffee beans still mainly consist of Bourbon and Kent varieties. Bourbon coffee cherries are short and round, with higher density in the pulp and seeds, usually with high sweetness and bright acidity. Bourbon coffee yields 20% to 30% more than Typica, but is still regarded as a low-yield variety and is equally susceptible to coffee leaf rust. Kent, on the other hand, is a Typica hybrid variety discovered in India, with high yield and strong disease resistance.

Tanzania's main producing regions include: Kilimanjaro, Ruvuma, and Mbeya.

Kilimanjaro is Tanzania's oldest Arabica coffee producing region, and it would not be an exaggeration to say it has the longest history of developing international prestige as a producing region. The long history of the coffee industry has made the infrastructure here relatively complete, but many coffee trees are already quite old, resulting in low yields. In recent years, other crops have gradually tended to replace coffee. Altitude: 1050-2500 meters, harvest period: July-December.

Ruvuma is located in the southernmost part of Tanzania, and its name comes from the Ruvuma River. Coffee cultivation is mostly concentrated in the Mbingo area, and it is considered a producing region with the potential to produce high-quality coffee. Altitude 1200-1800 meters, harvest period: June-October.

Mbeya is located around Mbeya city in southern Tanzania and is an important producing region for high-value export crops such as coffee, tea, cocoa, and spices. In recent years, it has attracted the attention of many certification organizations and non-governmental organizations, with the aim of improving the previously low reputation of coffee quality in this area. Altitude: 1200-2000 meters, harvest period: June-October.

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

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)

Tanzanian coffee is mostly processed by the washed method. After picking, coffee farmers send the coffee cherries to the nearest processing plant for processing.

Steps of the washed processing method: 1. Screen and remove impurities mixed into the coffee cherries; 2. Remove the coffee pulp and outer skin; 3. Send to fermentation tanks and remove the pectin layer attached to the parchment through fermentation; 4. After washing clean, carry out drying treatment.

Front Street Coffee: Tanzania Kilimanjaro Coffee Beans Processing method: Washed Grade: AA Region: Northern Highlands, Kilimanjaro volcanic area Variety: Bourbon Altitude: 1300-2000m

Tanzania is a typical East African country, bordering Kenya and Uganda to the north, Malawi, Mozambique, and Zambia to the south, and Rwanda and Burundi to the west. When mentioning Tanzanian coffee, many coffee people first think of Kilimanjaro coffee. Yes, this is a unique "Kilimanjaro taste," with a full-bodied texture, suitable acidity, and rich aroma, and it has the laudatory name of "coffee gentleman." Front Street Coffee compares Tanzanian coffee with its neighbor Kenya's. Compared with Kenya's high-quality coffee beans, Tanzanian coffee has a little less bright acidity, shows more of a soft and gentle beauty, and has more sweet aroma. A strong red wine note is also a characteristic of Tanzania.

Kilimanjaro volcanic area

Kilimanjaro is Tanzania's largest coffee producing region, and Kilimanjaro coffee is also an important lifeline of Tanzania's economy. Kilimanjaro coffee comes from Mount Kilimanjaro, the highest mountain in Africa, in northeastern Tanzania. Local smallholder coffee farmers grow it at altitudes between 1300-2000m. Nurtured by volcanic ash and grown at high altitudes, the coffee beans produced are all of excellent quality.

Front Street Coffee roasting Kilimanjaro coffee consists of large, uniformly sized coffee beans with a gray-green color. Compared with others, it has stronger acidity and a sweet aroma, with excellent flavor. After medium-light roasting, it gives off sweetness and a light acidity.

Charge temperature: 170°C, turning point: 6'30, 150.8°C, first crack: 10'16, 182.7°C, first crack development 1'45 seconds, drop at 193°C.

Front Street Coffee cupping report Dry aroma: caramel Wet aroma: berry Cupping result: citrus on the palate, berry, tea-like feel

Front Street Coffee brewing parameters Dripper: V60 Coffee-to-water ratio: 1:15 Water temperature: 91 degrees Grind size: fine granulated sugar size (80% pass-through rate on a No. 20 standard sieve)

Front Street Coffee brewing method 30 grams-125 grams-225 grams. Bloom with 30 grams of water for 30 seconds. After blooming, pour in a circular motion to 125 grams. When the water level drops to half, continue pouring in a circular motion to 225 grams.

Front Street Coffee Tanzania coffee flavor description Honey, berry, tea-like feel, citrus.

Front Street Coffee: Southern Tanzania Coffee Beans

Region: Southern region

Variety: Bourbon

Processing method: Washed

Grade: AA

Altitude: 1200-2100 meters

There are relatively few types of Tanzanian coffee, but the coffee produced by the country of Tanzania is also in relatively high demand in the world coffee market, because many people like the flavor characteristics of Tanzanian coffee. So what flavor characteristics does Tanzanian coffee have? How is coffee from southern Tanzania? Let's learn about it together with Front Street. Tanzania is located in the middle-eastern part of Africa. Tanzanian specialty coffee is a representative of typical washed processed coffee, and its bright and pleasant acidity is one of its major characteristics.

Tanzania's neighboring country Kenya is a well-known producer of specialty coffee. Because Tanzania's geological conditions are very similar to Kenya's, its coffee beans share many similarities in flavor with Kenyan coffee. Tanzanian coffee is mainly grown in the northern and southern regions of its territory. The excellent altitude and climatic conditions give these coffees great quality potential, and coffee from the southern region also has the traditional flavor characteristics of Tanzanian coffee.

Front Street Coffee roasting curve In order to highlight the flavor of coffee from the southern region, Front Street Coffee's roaster used a medium-light roast.

Charge temperature: 170°C, turning point: 6'15, 150.8°C, first crack: 10'03, 182.7°C, first crack development 1'50 seconds, drop at 194°C. Front Street Coffee cupping report Dry aroma: berry, fermentation wet aroma: berry, floral fragrance cupping: citrus, caramel, nuts, fermentation aroma

Front Street Coffee brewing parameters Dripper: V60 Water temperature: 91°C Water-to-coffee ratio: 1:15 Grind size: fine granulated sugar size (80% pass-through rate on a No. 20 standard sieve)

Front Street Coffee brewing method 30 grams for blooming for 30 seconds. After blooming ends, pour in a circular motion to 125 grams. After the water level drops by half, continue pouring in a circular motion to 225 grams. Total extraction time 2 minutes.

Front Street Coffee flavor description Floral fragrance, berry, citrus, nuts.

Differences between Kilimanjaro coffee beans and southern coffee beans

Front Street Coffee found that Kilimanjaro coffee has higher acidity than southern coffee, and southern coffee presents a mellow nutty flavor when it cools down.

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