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Sumatra Mandheling – Koperasi Gayo Nusantara – Fair Trade Organic – Green Unroasted

In Stock: 61 Lbs
Koperasi Gayo Nusantara
Ateng, Bor Bor, Catimor, and Timor
1300 - 1650 masl
Mild earthy, herbal coffee cherry, and cedar flavors.
Medium/Dark (Full City Roast)

About: There are 363 members of the Serba Usaha Qahwah Tanoh Gayo cooperative, 105 of whom are women. The co-op is located in the Aceh Province of Indonesia. Most farms are no more than 10 years old and consistently maintain a high yield; the rich volcanic soil, desirable elevation, and proper balance of shade trees throughout the farms prove a direct positive effect on the coffee. Once harvested, all coffee is wet-hulled, sun-dried, and cupped by the co-op’s quality control team.

Fair Trade– and organic-certified coffees from Sumatra come from democratically run associations of smallholder producers who generally share a central processing unit or some point of coffee delivery and processing. The average farm size in Sumatra is less than 1 hectare up to about 3 hectares.

Sumatran coffees have long been distinct for their earthy, savory, somewhat vegetal or herbaceous characteristics, in part contributed by the climate and the mix of varieties grown, but also due to a specific post-harvest processing style called Wet-Hulling, or locally known as Giling Basah, which imparts much of the unique qualities these coffees have.

Before the 1970s, coffees in Sumatra were processed in the two most commonly found methods worldwide: washed and natural. In the 1970s, Japanese interest in Sumatran coffees led to the introduction of the Wet-Hulled process, a unique style of handling and drying that is largely responsible for Sumatran coffees’ unmistakable flavor characteristics, but also their normally greenish-blue hue.

In Sumatra, coffee farmers will typically harvest their coffee cherry and depulp them by hand at their farm or home. The coffee then dries for a very short time and is brought either to a coffee marketplace or to a “collector,” or collection point, where the beans are purchased at anywhere from 30–50% moisture, with their mucilage still partially intact. The coffee is then combined and hulled (has its parchment removed) while it is still in this high-moisture state. The coffee is then dried to the more commonly globally accepted 11–13% moisture in order to prepare for export.

While there is some experimentation currently being done with large-scale Washed coffee for export, most of the Washed coffee produced is for local consumption. The Wet-Hulled process was developed specifically to speed up drying and efficiency in a climate that sees heavy rain and clouds most of the year. Removing the parchment layer allows the coffee to dry much faster on patios or tarps even in these conditions.

There are many variations on the details of Wet-Hulled process based on the particular mill, but the basic principles of the process remain fairly constant: In Sumatra, the coffee is picked and depulped, then it is traditionally sold to a collector or broker, who will sell it to a mill. After it’s purchased by the mill, it will be washed and pre-dried for 8–12 hours or until it reaches roughly 35% moisture content, at which point it is hulled. It is then fully dried without its parchment until it reaches a state that is appropriate for export, 10–12% moisture

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