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Pour-over Brewing Parameters for Panama Duncan Estate Boquete Natural Caturra Specialty Coffee Beans

Published: 2026-10-10 Author: FrontStreet Coffee Last Updated: 2026/10/10 78 reads

Pour-Over Brewing for Duncan

15g of coffee grounds, medium grind (small Fuji ghost-tooth grinder setting #4), V60 dripper, water temperature 88-89°C. First pour 30g of water and let it bloom for 27 seconds. Pour to 105g and stop, wait until the water level in the bed drops halfway, then continue pouring slowly to 225g. Discard the tail end. Water-to-coffee ratio 1:15, extraction time 2:00.

Roast Level

Medium roast

Origin and Processing

The Duncan estate produces its coffee with two selection methods, "Premium Picking" and "Reserva Picking." This pushes quality and flavor to an extremely high standard, though it sharply reduces the volume produced. Kotowa's "Premium Picking" demands that cherries be harvested only when they show a wine-red, overripe deep color, and that processing begin immediately and quickly after picking. The cost of reaching this level of flavor is enormous. The other method, "Reserva Picking," is also called fully ripe picking, or quickly processed.

"Reserva Picking" does not judge ripeness by color alone; it also tests the sweetness of the pulp. Beyond being 100% fully red, the fruit must have converted 100% to fruit sweetness before it is picked, so only cherries that taste velvety sweet are taken.

Region and Terroir

Region: Boquete

Altitude: 1250-1700 meters

Set in the Barú Volcano region, Duncan enjoys a unique microclimate and volcanic terrain. The growing season brings abundant rainfall and a clear division between wet and dry seasons. Volcanic lava flows and fertile, well-drained volcanic black soil create exceptionally favorable growing conditions, so the coffee's aromas are especially captivating. The altitude here exceeds 1,700 meters, the winds are strong, and the estate holds many giant conifers, some more than 200 years old.

Kotowa also takes ecology seriously and uses no chemical fertilizer at all. Cherry skins and pulp are turned into nutrient-rich compost that feeds the coffee trees and gives back to the land. Kotowa Coffee was nominated by Panama's environmental agency in 2006 as the winner of the Panama National Environmental Protection Award, and the same care created the distinctive flavor of Duncan Estate coffee, keeping bean quality excellent and consistently placing at the top of the Best of Panama competition.

Flavor Profile

Fruit wine, fermented fruit aroma, honey citrus, malt sweetness, sweet peach, distinct layers, fine texture, candied fruit

Product Information

Shelf Life: 90 days
Net Weight: 227g
Packaging: Bulk coffee beans
Roast Level: Roasted coffee beans
Sugar Content: Sugar-free
Origin: Panama

Panama Duncan

Country: Panama

Grade: SHG

Processing Method: Natural

Variety: Caturra

Estate: Duncan Estate

Flavor: Fruit wine, fermented fruit aroma, honey citrus

FrontStreet Coffee Recommendation

If Duncan's natural, winey profile is what draws you to Panama, FrontStreet Coffee's Boquete Geisha is a natural next step. It is an estate-level entry Geisha planted at 1,600 meters in Boquete, where mountain ridges are often wrapped in cloud, the days are moist and the nights cool, and Barú's fertile volcanic soil feeds the tree. The result is a lingering, layered aroma with Geisha's signature jasmine, green tea, honey, and citrus-orange flavors. For a cup with even more Geisha lineage, FrontStreet Butterfly contains half Geisha blood, blended from Geisha, Caturra, and Catuai and grown on the slopes of Barú Volcano in Boquete, where heavy rainfall, wide day-night temperature swings, and distinct volcanic-rock soils give it body, citrus acidity, and a clear jasmine perfume, and it works equally well as pour-over or cold brew.

At the top of the range is FrontStreet Esmeralda Red Label. Hacienda La Esmeralda, the estate that both found and promoted the Geisha flavor, cup-tested different parts of the farm by altitude and drew up the Red, Green, and Blue Label grades. The Red Label is harvested from a single plot above 1,700 meters, must cup above 91 points, and shows a refined orange-blossom honey character. For those who want the estate's everyday side rather than its Geisha, FrontStreet Diamond Mountain comes from the estate's Jaramillo and Cañas Verdes farms, mainly Caturra and Catuai, where volcanic soil and old-growth shade give the beans rich fruit aroma and sweetness.

Important Notice :

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou's FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。

FrontStreet Coffee has moved to a new address:

FrontStreet Coffee Address: 315,Donghua East Road,GuangZhou

Tel:020 38364473

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