Frinsa Estate

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The Coffee

Wildan Mustofa and his wife Atieq Mustikaningtyas started their first coffee project in Sindangkerta, Weninggalih area in 2010. This later became the main growing area at his farm Java Frinsa Estate. Since the first year of production, Wildan has aimed to focus on quality which requires meticulous attention and processes. While the majority of Indonesian producers are doing the wet hulled coffees, even for specialty, Wildan is focusing on the fully washed. Besides the quality, and social and economic impact for the community, we believe the coffee project also have long term benefits for water conservation and reforestation .

Frinsa Estate is located in West Java, locally called Sunda. They have a wetmill as well as a well ventilated storage space and a dry mill. All located at 1400 masl altitude. This means they are in fully control of their product from harvest to grading, sorting and shipment. Frinsa Estate have 6 main growing plots spread out in the area. And they buy cherries from a few selected outgrower in the surroundings of the Estate. These coffees are sold under the brand name Frinsa Collective.

Weninggalih : 60 hectare (plan for another 50 hectare expansion) Altitude is about 1,400 masl. The cultivars grown are Sigararutang, Lini S795, Borbor, Timtim, Andungsari, Ateng Super, P88, Blue Mountain and Belawan Pesuma.

Mekarwangi: 10 hectare, altitude about 1,400 masl. The cultivars grown are Typica, Sigararutang and Lini S795.

Tilu Mountain: 10 hectare altitudes about 1,600 masl. The cultivars grown are Sigararutang, Lini S795, Borbor, Timtim, Andungsari, P88 and Kopyol.

Pengalengan: 20 hectare, altitudes about 1,500 masl. The cultivars grown are Typica, Sigararutang, Borbor, Andungsari and P88.

Malabar Mountain: 5 hectare, altitudes about 1,600 masl. The cultivars grown are Sigararutang, Lini S795 and Andungsari.

Garut: 4 hectare (in partnership with the local smallholder farmers) Altitudes is about 1,300 masl. The cultivars grown are Sigararutang, Lini S795, Andungsari and P88.

Most of the coffees are fully washed but they do some wethulled and naturals, mainly for the local market. Their coffees are always separated in lots by field location, cultivar, and date of picking. The parchment are stored in plastic bags with LDPE liners

Through a cooperation with the coffee research center they have been planting a lot of other different unknown cultivars, all separated by blocks in the farm. As the farm and the trees are still very young nobody knows how the flavor profile for many of these trees will come out. In addition to their own coffee production they also process coffee for the local smallholders (outgrowers), generally separated by area.

The Farmer

Region: West Java, Sunda

Altitude: 1400

Variety: Colombia & Castillo Sigararutang, Andungsari, Timtim, Ateng Super, Borbor

Processing: Washed, Natural, Anaerobic, Extended Fermentation

Number of farms: 5

Vegetation: Semi-forest and garden

Farm size: 109 hectares 



They harvest from May to September, with the main harvest from June- August. The coffees are picked and then hand sorted for unripe and diseased cherries.


Washed coffees coffees are dry fermented in small tanks 15-18 hours before they are rinsed and soaked under water for another 10-12 hours and washed under clean water.

Wildan also works with different fermentation techniques. He writes, "we do lactic fermentation using the lactobacillus culture. For the natural process, the cherries are washed to remove dirt and microbial contamination from the surface of the cherry skin, after cleaning, the lactobacillus culture is added to the cherries which are then put into plastic bags or plastic barrels and fermented anaerobically. The bags / barrels are rotated in the morning and evening and the gas is released, then the container is closed for 2 or 3 days. After fermentation the cherries are dried on raised beds.

Coffee fermented by lactic method has a complex, mild and smooth character with malic acidity.

We also have a fermentation technique with Saccharomyces cerevisiae which is used in natural and honey processing. Coffees are processed according to the usual method for several days until the water content reaches around 25-30%. The sacharomyces culture is then applied and the cherries are put in a closed sack for 36 hours. After this the cherries return to the drying bed to dry in the sun. This coffee fermented with saccharomyces, if the time is short, the sweetness is very strong, the texture becomes more syrupy and the cup is more complex.

Both of these fermentation techniques can be done together. For example, natural coffee can first be fermented lactically, then dried in the sun, then fermented again with saccharomyces then dried again until dry."


They mainly dry on patio, but are investing in way more drying tables for the future. Currently most of the coffees are pre dried on beds for a day or two in green houses and then transferred to the patio. Drying can take 14-20 days, depending on the rain during the drying period.