A Matter of Concrete
Supriyanto Laurina

Roaster Location: Flag of Netherlands Rotterdam


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Roast Level: Light
Bean Source Country: Indonesia
Bean Source Region: Java
Varietal: Laurina
Process: Processed in an anaerobic environment, where it is sealed in a plastic tank for 120 hours and then dried naturally.

From the roaster:

Supriyanto, also known as Iyan, is a farmer in Mount Suket within the Ijen mountain range. On a small plot of his farm, Supriyanto cultivates Laurina coffee, which PT Perkebunan Nusantara initially planted. Due to the local climate and environment, the Laurina beans grown in this area have a slightly larger size compared to other Laurina varieties, but they still retain the distinctive Laurina characteristics, such as a sharp, pointed green bean shape. The Laurina plants themselves possess unique features, including pointed leaves and cherries.

Low caf Laurina

Laurina is considered an exotic coffee bean in Indonesia and one of the most challenging varietals to grow worldwide. It requires special attention from coffee growers but rewards them with exceptional sweetness and reduced bitterness. While decaffeinated coffee is typically achieved through steaming and soaking green beans in a liquid, Laurina naturally contains a lower level of caffeine. With a caffeine percentage of around 0.8%, Laurina, also known as Bourbon Pointu, has significantly less caffeine than other Arabica coffees, which typically have a caffeine percentage of 1.8%.

The Laurina grown in Indonesia represents the first-ever cultivation of this varietal in the country, and it is a different mutation of the original Laurina variety. However, growing Laurina in Indonesia poses challenges as it is highly susceptible to leaf rust and diseases. The prevailing climate change conditions in Indonesia, characterized by heavy rainfall and hot weather, make it technically unsuitable for Laurina cultivation. Nonetheless, through cross-breeding and natural mutation techniques developed by the Indonesian Coffee and Cocoa Research Institute, this particular Laurina plant can thrive in Indonesia.

Supriyanto’s farm is dedicated to cultivating Laurina and other exotic coffee varietals, and they have succeeded in producing the first-ever Indonesian-grown Laurina.

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2 ratings
Ratings here are based on aggregated user reviews of individual roasts from A Matter of Concrete.
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Latest Reviews and Tasting Notes

  • Theodore (Ted) Chan, Managing Editor

    1108 roasts rated, avg score of 4.28

    4.00 - Average

    4.50 - Aroma

    4.00 - Finish

    4.00 - Flavor

    4.00 - Acidity

    4.00 - Balance

    I tried this coffee as part of the Leaderboard Coffee game, season 10, coffee #7.

    I don't believe I ever had Laurina, so that was cool. It was a blind tasting, and of the 10 coffees (all of which were above 4 stars) I rated this one the lowest. I felt like it might have been low-caffeine otherwise and should have used that guess either decaf or low-caff in the game.

    In any case, I got brown sugar, sugar cane, black tea, and a touch of nutmeg, in a way that was aromatic but a little bit disjointed. I think it had some of the characteristic Indonesia earthiness and spice. It just didn't flow the way you want a complex specialty light roast.

    I've heard amazing things about AMOC as a roaster and appreciate this fun out of the box journey even if it isn't necessarily what I'm looking for every morning.

    Cupping Method:Hario v60 pourover

    11 months ago · See more from Theodore (Ted)
  • Coffee Roast Admin

    165 roasts rated, avg score of 4.99

    5.00 - Average

    "This was my favorite of the 10 Leaderboard coffees that I was given."

    This moves a review over from Phil A. from an mistakenly created profile
    7 months ago · See more from Coffee Roast

More Details

Roast Level: Light
Light roast coffee is a delicately roasted coffee that retains more of the beans' natural flavors and characteristics. Light-roasted coffees have bright acidity, complex fruit, and floral notes. Light roast coffee does not have less caffeine than darker roasts because caffeine levels remain stable during roasting.
Bean Source Country: Indonesia
Known for their earthy, full-bodied, and low-acid characteristics, Indonesian coffees from Sumatra, Sulawesi, and Java are unique due to their wet-hulling processing method. Beans like Mandheling, Lintong, and Toraja showcase the distinct flavors and bold profiles that attract coffee lovers worldwide.
Bean Source Region: Java

Best Rated Roasts of A Matter of Concrete

A Matter of Concrete is a coffee roaster from Rotterdam, South Holland Netherlands. We have 4 cataloged roasts with 8 total reviews with a score of 4.63.

International Rank: #42 out of 822
Ranking is based on a combination of reviews and popularity on CoffeeRoast.com
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