Introduction to the Flavor Characteristics of Colombia Tolima San Pedro Estate and Geisha Pour-Over Parameters
What more can be said about Colombian coffee? It has earned enough honors and achieved sufficient fame. Saying more would only demonstrate our admiration for Colombian coffee, wouldn't it? Indeed, FrontStreet Coffee feels the same way. Colombia is not only a major producer of Arabica coffee but also the world's third-largest coffee-producing country. Its coffee is suitable not only for single-origin preparations but also for specialty coffee blends used for espresso purposes, offering more balanced flavors and richer nutty profiles!
01 | Region Introduction
Colombia is the world's third-largest coffee exporter, primarily producing Arabica coffee and being the largest exporter of Arabica beans. Colombia is rich in natural resources, with coffee, flowers, gold, and emeralds particularly celebrated as the "four treasures."
Located in the northwest of the South American continent, Colombia borders Panama in Central America. From an aerial view, its western coastline appears as if scratched by a cat's paw, leaving three vertical claw marks from north to south. The country's renowned coffee-growing regions are scattered throughout these Andes Mountains, which contain fertile volcanic soil.
| Tolima
Tolima borders Huila and Cauca, featuring the north-south running Andes Mountains (M. Andes) and Cordillera Mountains (M. Cordillera) that span vertically. Between these two famous mountain ranges flows the Magdalena River (R. Magdalena) from south to north.
The name Tolima originates from the earliest inhabitants, the "Pijao people." In their ancient language (Pijao word), tolima signifies "snow-covered."
Farms in Tolima are generally slightly larger than those in other southern Colombian coffee regions, typically ranging between 10-15 hectares. Cooperative methods are also prevalent here, with farmers delivering their small batches of fresh coffee cherries to cooperative processing facilities. Some farmers also choose to process their own coffee using small-scale facilities that can handle the day's harvest volume.
| Finca San Pedro
Finca San Pedro is located in the village of vereda La Marimba, where most of the region's premium coffee is grown. His son Alberto serves as a community leader, working with many neighboring families to improve coffee quality throughout the entire region.
The processing methods at Finca San Pedro are exemplary, featuring one shallow tank for removing immature cherries and another for fermenting coffee cherries. The coffee cherries ferment for 20-24 hours, followed by 5-7 rounds of washing, and then drying on a new parabolic drying bed.
For them, this new drying bed represents a significant improvement—their previous drying bed was only 12 square meters, meaning there wasn't enough space to evenly dry all coffee during peak harvest season. Now, with a new 47-square-meter bed, all coffee beans can be slowly and thoroughly sun-dried.
02 | Coffee Varieties
Geisha
Geisha is pronounced similarly to the Japanese word for geisha, hence it's also known as "geisha coffee"; because the tree variety grows taller than typical coffee trees, it was originally planted in small areas of the estate and utilized as a windbreak.
The Geisha variety was discovered in 1931 in the Geisha forest of Ethiopia and later sent to Kenya's coffee research institute. It was introduced to Uganda and Tanzania in 1936, and to Costa Rica in 1953.
Geisha coffee is particularly selective about its growing environment, requiring high altitude, cloud shade, fertile soil, and sufficient accumulated temperature. The average altitude is 1,625 meters, with annual average temperatures between 16°C and 25°C, and average rainfall of approximately 3,500 millimeters. The plantation practices semi-shade cultivation, with tree varieties all being local endemic species.
03 | Processing Method
This Geisha variety coffee from Colombia uses the washed processing method.
Selecting coffee cherries — removing pulp — fermentation — washing — drying — hulling
The selected coffee cherries are placed in a pulping machine to initially remove their skin and pulp; the coffee beans with remaining pulp and mucilage are placed in water to ferment for about 24 hours; after fermentation, the parchment coffee beans are placed in flowing water channels to wash away the pulp and mucilage; after washing, the coffee beans are dried in the sun or using dryers to reduce moisture content to around 12%. Finally, the parchment is removed from the green coffee beans.
04 | Roasting Analysis
This bean comes from a relatively high altitude with a harder bean structure. To highlight the unique characteristics and aroma of this bean, we chose a light roast, which best brings out the bean's inherent qualities, using medium heat for the dehydration phase.
Roasting machine: Yangjia 800N (300g batch size)
Preheat the roaster to 180°C, set the damper to 3. After 30 seconds, adjust the heat to 150, keeping the damper unchanged. The temperature returns to 1'36". When the roaster temperature reaches 140°C, adjust the heat to 130 and open the damper to 4. At this point, the bean surface turns yellow, grassy aromas completely disappear, and the dehydration phase begins. When the roaster temperature reaches 166°C, adjust the heat to 110°C, keeping the damper unchanged.
At 7'50", ugly wrinkles and black spots appear on the bean surface, and the distinct toast aroma clearly transforms into coffee fragrance, which can be defined as the prelude to first crack. At this point, listen carefully for the sound of first crack. First crack begins at 8'20", reduce the heat to 50, and adjust the damper to 5 (adjust heat very carefully, not so low that there's no cracking sound). Develop for 1'30" after first crack, then discharge at 190°C.
Agtron bean color value: 82 (above image), Agtron ground color value: 97.4 (below image), Roast Delta value: 15.4.
Cupping Notes: Citrus, Starfruit, Orange, Oolong Tea, Floral Notes, Honey
Colombia Tolima Finca San Pedro
Country: Colombia
Region: Tolima
Altitude: 1,860M
Processing Method: Washed
Grade: SUPREMO
Variety: Geisha
Colombia is the world's third-largest coffee exporter, primarily producing Arabica coffee and being the largest exporter of Arabica beans. Colombia is rich in natural resources, with coffee, flowers, gold, and emeralds particularly celebrated as the "four treasures."
Finca San Pedro
The processing methods at Finca San Pedro are exemplary, featuring one shallow tank for removing immature cherries and another for fermenting coffee cherries. The coffee cherries ferment for 20-24 hours, followed by 5-7 rounds of washing, and then drying on a new parabolic drying bed.
The Geisha variety was discovered in 1931 in the Geisha forest of Ethiopia and later sent to Kenya's coffee research institute. It was introduced to Uganda and Tanzania in 1936, and to Costa Rica in 1953. Geisha coffee is particularly selective about its growing environment, requiring high altitude, cloud shade, fertile soil, and sufficient accumulated temperature. The average altitude is 1,625 meters, with annual average temperatures between 16°C and 25°C, and average rainfall of approximately 3,500 millimeters. The plantation practices semi-shade cultivation, with tree varieties all being local endemic species.
05 | Brewing Recommendations
Recommended brewing method: Pour-over
Dripper: Hario V60 or Wave filter
Water temperature: 90-92°C
Coffee-to-water ratio: 1:15-1:16
Grind size: BG 6L (80% retention on China standard #20 sieve)
Brewing technique: Bloom with 30g of water for 30 seconds. Pour to 130g in stages. When the water level drops and is about to expose the coffee bed, continue pouring to 230g, then stop. When the water level drops and is about to expose the coffee bed, remove the filter cup. (Timing starts from the bloom) Total extraction time is two minutes.
During brewing, you can smell the citrus acidity and green tea-like fresh aroma. When hot, the sucrose and licorice sweetness are apparent, with some lemon acidity and oolong tea aftertaste, somewhat like a cup of lemon tea. As the temperature cools, citrus flavors become more pronounced, with honey and sucrose sweetness persisting. After cooling further, it has the feeling of honey green tea.
Important Notice :
前街咖啡 FrontStreet Coffee has moved to new addredd:
FrontStreet Coffee Address: 315,Donghua East Road,GuangZhou
Tel:020 38364473
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