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Flavor Characteristics of Panamanian Coffee Beans and Analysis of Three Renowned Estates: Esmeralda, Elida, Hartmann

August 29, 2016
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Although Panama is a small country, it has become a shining star on the global coffee map thanks to the exceptional terroir and specialty-oriented approach of the Boquete region. This article, from the perspective of Front Street Coffee's roasting and brewing, first outlines the climate, altitude, and shade-growing methods of Panama's coffee regions, then takes a deep dive into three representative estates—La Esmeralda, Elida, and Hartmann—to analyze the flavor profiles of beans such as Red Label Geisha, Natural Typica, and Wine Process Catuai. The article also includes Front Street Coffee's brewing parameters and staged extraction techniques tailored to different beans, helping readers recreate in the cup the layered taste experiences of roses, citrus, white peach, and red wine fermentation aromas.

巴拿马咖啡豆风味特征与三大名庄解析:翡翠、艾丽达、哈特曼

Panama's Geisha coffee is renowned worldwide for its scarce production and superior quality. Front Street is extremely passionate about roasting Panamanian Geisha because the beans themselves are outstanding enough that the roasting process often yields twice the result with half the effort; however, Geisha green beans are expensive, so Front Street is especially cautious when handling them. Fortunately, Front Street's roasting team is highly experienced and typically develops three to five roasting profiles based on the beans' characteristics, then selects the best-performing curve through cupping before delivering the final product to customers. Many customers praise the Geisha they drink at Front Street and are curious about why Panamanian Geisha green beans are of such exceptional quality. In this article, Front Street Coffee (FrontStreet Coffee) addresses this most frequently asked question, taking you into this famous coffee country in Central America.

Panama Coffee Regions

Panama is located in the central part of the Americas, with a land area of 75,517 square kilometers. Its territory is shaped like an "S" and serves as a bridge connecting North and South America. It borders Colombia to the east, the Pacific Ocean to the south, Costa Rica to the west, and the Caribbean Sea to the north. Specialty coffee is mainly grown in the western part of the country.

In terms of climate, Panama is close to the equator and has a tropical maritime climate, with humid days and cool nights, and an average annual temperature between 23 and 27 degrees Celsius. The year is divided into a dry season and a rainy season, with average annual rainfall of about 1,500 to 2,500 millimeters. The coffee produced in the Boquete area of Chiriqui Province is the most famous, and places like Volcan, Santa Clara, and Candela are also well-known. Other regions include the David area, the Remacimeinto area, the Bugaba area, and the Tole area. Only coffee grown at altitudes between 1,300 and 1,500 meters is considered specialty coffee.

Plantations in Panama's Boquete region generally fall into three categories: sun-grown plantations, full-shade plantations, and semi-shade plantations. Plantations with more than 50 shade trees per hectare are considered full-shade plantations; those with 25 to 50 trees are semi-shade plantations; and those with fewer than 25 trees are called sun-grown plantations. So, under the same growing conditions, what effect does shade versus no shade have on coffee when two neighboring estates differ in this way?

Shade growing can slow down the ripening pace of coffee cherries, allowing them to accumulate more flavor compounds. So shade itself means higher costs and lower yields, but the coffee produced will have better flavor than semi-shade plantations under equivalent conditions. Today, most plantations in Colombia use a model of interplanting coffee trees with banana trees, because as Arabica varieties continue to be bred shorter, the banana trees provide shade once they grow tall.

Most coffee beans from Panamanian estates are hand-selected specialty Arabica beans, and each batch can be traced back to its source—which estate, which plot, or which cooperative or farmer—all in pursuit of terroir-driven flavor. Only by visiting coffee origins and stepping onto coffee estates can one begin to understand where that thread of coffee depth, captivating flavor, and ever-changing aroma comes from—whether it's microclimate, variety, processing method, or the coffee farmer's secret craft.

La Esmeralda Estate

Panama's La Esmeralda Estate is nestled on a corner of the Baru Volcano, which is why the coffee beans produced in this area were mostly named after Baru Mountain before gaining fame. The area around Boquete is scenic, with many leisure hotels and resort estates, and some buildings even line the important Rio Caldera river. La Esmeralda Estate is located on the right side of this river in Jaramillo, and coffee was later planted on the left side of the river at the higher-altitude Canas Verdes area—all thanks to Rudolph Peterson's decision to purchase this property back then.

When mentioning La Esmeralda Estate, one cannot avoid the three grades of Geisha coffee beans: "Red Label," "Green Label," and "Blue Label." Although La Esmeralda's Geisha coffee has low production, its quality enjoys the reputation of being the "best in the world," and after winning the BOP in 2004, it quickly became a star estate. La Esmeralda Estate's four well-known coffee brands include: Esmeralda Special, Geisha, Diamond Mountain grows, and Palmyra.

巴拿马咖啡豆风味特征与三大名庄解析:翡翠、艾丽达、哈特曼

Front Street Coffee (FrontStreet Coffee) La Esmeralda Estate Geisha Red Label

Region: Boquete, Panama

Estate: La Esmeralda Estate, Mario Plot

Altitude: 1700+m

Variety: Geisha

Processing Method: Natural Process

Red Label Geisha, also known as Esmeralda Special, is La Esmeralda Estate's top-tier product. It uses Geisha beans grown at altitudes of 1,600 to 1,800 meters with cupping scores above 90, from the Jaramillo and Canas Verdes regions. Only Geisha lots that are submitted for bidding from designated plots in La Esmeralda's own independent auction qualify as auction Red Label. There are also non-auction Red Labels on the market today, which are actually Geisha beans selected from the same plots that did not participate in the auction and then released to the market—same variety and quality, with only a price difference.

Front Street Coffee (FrontStreet Coffee) Brewing Recommendations

Dripper: Hario V60

Water Temperature: 90°C

Dose: 15 grams

Coffee-to-Water Ratio: 1:15

Grind Size: Medium-fine (75% passing through No. 20 standard sieve)

Front Street Coffee (FrontStreet Coffee) Brewing Method

Staged Extraction

Bloom with 30 grams of water for 30 seconds, then pour in a slow circular motion until reaching 125 grams for the first stage. When the water level is about to expose the coffee bed, continue pouring until 225 grams and stop. When the water level is about to expose the coffee bed again, remove the dripper. (Timing starts from the beginning of the bloom.) Total extraction time is 2'00".

Flavor Description

Bright rose and citrus aromas, with notes of genmaicha, berries, apricot, mixed fruits, honey, a thick juicy body, rich layered flavors, and pronounced sweetness.

巴拿马咖啡豆风味特征与三大名庄解析:翡翠、艾丽达、哈特曼

Elida Estate

The history of this estate can be traced back to 1918. The farm is owned by the Lamastus family, and the name Elida comes from the wife of the then farm owner, Robert Louis Lamastus. Elida Estate is located in the Boquete region, at an altitude that is almost the highest in Panama, with nearly half of its area within a national protected park—making it a rare ultra-high-altitude estate in Central America. Elida Estate covers a total area of 65 hectares, of which more than half is within Baru Volcano National Park, 30 hectares are planted with coffee trees, and the remaining 35 hectares are virgin forest. Coffee is grown at altitudes ranging from 1,670 to 1,850 meters, making it one of the two highest-altitude coffee estates in Panama (the other at the same altitude is likely Carmen Estate in the Volcan Valley).

The rugged Baru is a young volcano with an altitude of over 3,400 meters and is an active volcano. Due to the extreme temperature difference between day and night, coffee planted at Elida Estate requires 5 years of careful tending before the first harvest—a rather long wait (coffee in typical regions only needs 3 years). Although the plants grow slowly, this greatly benefits the development of coffee flavor. Once the harvest period begins, influenced by temperature, the coffee ripening period often exceeds a month. If a hurricane, heavy rain, or other force majeure occurs just before ripening, the estate knows it will cause significant losses, but since the beans have not met the estate's harvest standards, under its commitment to quality, the estate refuses to harvest early, resulting in a sharp reduction in yield—the risks are actually much greater than for low-altitude estates.

Elida Estate mainly grows three varieties: Catuai, Typica, and Geisha. The estate's processing plant is built halfway up the mountain, so coffee can be transported to the factory immediately after picking, ensuring the quality of the coffee cherries is not affected. Of course, Elida's environment is also suitable for growing other high-quality temperate crops, especially tree tomatoes and some rare high-altitude fruits. Interestingly, the flavors of these fruits can often be found in Elida's coffee as well.

In addition to the exceptional ultra-high altitude and microclimate, estate owner Mr. Wilford has also put great effort into harvesting and processing. To meet the highest standards, Elida Estate only allows hand-picking of the ripest coffee cherries (Ripe on Pinton). The high degree of ripeness means the mucilage naturally has high sugar content, which is the foundation of Elida's superior flavor.

巴拿马咖啡豆风味特征与三大名庄解析:翡翠、艾丽达、哈特曼

Front Street Coffee (FrontStreet Coffee) Elida Estate Typica

Region: Boquete, Panama

Estate: Elida Estate

Altitude: 1850 meters

Variety: Typica

Processing Method: Natural Process

In addition to being extremely strict about coffee growing and processing, estate owner Mr. Wilford is also more rigorous than others in the industry when it comes to "purifying" green beans after processing. For Panama Elida, after processing, the green beans need more than 5 months of low-temperature resting to remove grassiness, which allows the coffee flavor to develop in a more balanced and full-bodied way. (Low-temperature resting is a green bean purification concept promoted by coffee master George Howell starting in 2006. We have found that while green beans from subtropical regions do need to be stored at low temperatures, different processing methods and altitudes will change the low-temperature resting time. For Panama Elida, 5 months of low-temperature resting is optimal.)

Cupping expert Ken Davids gave Elida Estate's coffee a high score of 93 in 2012, and Elida is also a frequent choice on the bean lists of World Barista Championship (WBC) competitors from various countries. In the finals of Taiwan's TBC (Taiwan Barista Championship) and China's CBC (China Barista Championship), competitors can often be seen using single-origin Elida for SOE espresso.

Front Street Coffee (FrontStreet Coffee) Brewing Recommendations

Dripper: Hario V60

Water Temperature: 91°C

Dose: 15 grams

Coffee-to-Water Ratio: 1:15

Grind Size: Medium-fine (80% passing through No. 20 standard sieve)

Front Street Coffee (FrontStreet Coffee) Brewing Method

Staged Extraction

Bloom with 30 grams of water for 30 seconds, then pour in a slow circular motion until reaching 125 grams for the first stage. When the water level is about to expose the coffee bed, continue pouring until 225 grams and stop. When the water level is about to expose the coffee bed again, remove the dripper. (Timing starts from the beginning of the bloom.) Total extraction time is 2'00".

Flavor Description

On the palate, white peach, raisin, and orange flavors are immediately noticeable, followed by gradually emerging notes of sugarcane and melon sweetness, with grapefruit and green tea notes in the finish.

Hartmann Estate

Currently, Hartmann Estate is continuously operated by the family's third generation. Mr. Ratibor Hartmann and his four siblings each take on different roles at the estate. They live together on the estate and make their living by growing coffee.

巴拿马咖啡豆风味特征与三大名庄解析:翡翠、艾丽达、哈特曼

The Hartmann family also manages and processes coffee for many estates in Panama. For example, Finca La Mula, a frequent winner at Best of Panama, and 90+'s Panama estate are both under the Hartmann family's management. Although the estate is very low-key and rarely appears at Best of Panama, their coffee is among the finest in Panama. The Hartmann family has played an indispensable role in making Panama coffee as famous as it is today.

Catuai is a hybrid of Mundo Novo and Caturra, with relatively good resistance to natural disasters, especially wind and rain. It inherits Caturra's advantage of a low tree height, overcoming Mundo Novo's shortcomings; another advantage is that the cherries hold firmly and are not easily knocked off by strong winds, compensating for Arabica's fragile fruit. However, its overall flavor profile is more monotonous than Caturra, and also more monotonous than Mundo Novo with a lack of body—which is its greatest regret.

Front Street Coffee (FrontStreet Coffee) Hartmann Estate Wine Process

Region: Volcan, Panama

Estate: Hartmann Estate

Altitude: 1250-1700m

Variety: Catuai

Processing Method: Wine Process

First of all, the wine process is not about soaking coffee in red wine, nor is it about fermenting it in wine barrels. The wine process borrows from winemaking techniques: whole bunches of uncrushed grapes, stems included, are placed into a tank filled with carbon dioxide (an oxygen-free environment). The grape berries burst, releasing juice, and the juice is separated from the skins, after which yeast is added for fermentation. This process can be used with neutral grape varieties to produce aromatic wines that are softer, rich in fruity aromas, and carry distinct notes of cherry liqueur, banana, bubblegum, and cinnamon. Therefore, the wine process is also known as carbonic maceration.

In wine process fermentation, coffee cherries are first placed in an airtight container with a one-way exhaust valve, which is very similar to the anaerobic method. Because the coffee cherry skins remain intact, fermentation may take several days or weeks. Different pressures in the tank produce different sugars and pectins for microorganisms to break down. The wine process can ensure coffee bean quality by controlling pH, and even temperature and humidity, while the sealed fermentation also makes aromatic compounds less likely to escape.

Front Street Coffee (FrontStreet Coffee) Brewing Sharing

To highlight this Hartmann wine-process bean, Front Street Coffee (FrontStreet Coffee) conducted cupping and then sought out a more suitable brewing recipe.

First, the dripper chosen is the Hario resin V60. As a traditional pour-over dripper, the V60 can brew out excellent flavor, and the resin material has little impact on water temperature. The coffee-to-water ratio is 1:16. A larger ratio makes it easier for the coffee's flavors to be released—as the saying goes, a faint floral aroma is more alluring than a heavy one.

The grind size is slightly coarser than normal pour-over, using 70% passing through a No. 20 standard sieve. The coarser grind prevents the coffee grounds from clogging the drainage hole in the final stage and avoids over-extraction.

The water temperature is 93°C. A higher temperature makes it easier to extract flavor compounds.

Brewing Steps

First, add 15g of coffee grounds, then pour 40g of water for the first stage and bloom for 30 seconds. Pouring more than twice the amount of water for the bloom can make the acidity of the entire cup brighter.

For the second stage, pour 140g of water. The circular pouring motion should be elegant (slow), with the water stream about 5cm above. This stage raises the coffee water level to about halfway up the short ribs.

When the water level drops to the bottom of the short ribs, continue pouring 60g more and then stop. The time at this point is about 1 minute 32 seconds. After all the coffee liquid in the dripper has flowed into the server, remove the dripper to end extraction. Total time is 2 minutes.

Flavor Description

This brewing method gives off red wine fermentation aromas on the nose, with citrus and kiwi acidity on the palate that is very bright, yellow sugar sweetness in the middle, accompanied by the acidity and aroma of wine.

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

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