Where Does Java Coffee Come From and How Does It Compare?

Java coffee comes from the Indonesian island of Java, one of three main Arabica areas alongside Sulawesi and Sumatra, though most of Indonesia's output is Robusta. The familiar Mandheling name comes from Sumatra and refers to an ethnic group there, not a coffee variety, which is a common source of confusion.

The article compares Mandheling with Jamaican Blue Mountain, the two reference points for full-bodied coffee styles, covering origin background, variety, grade standards and brewing plans. It also notes the story of Japanese soldiers in Sumatra around 1945 who named the local coffee after the Mandheling people when they could not learn its real name.

Indonesian Mandheling and Jamaican Blue Mountain are arguably the two benchmarks of full-bodied coffee. Many friends who are just getting into specialty coffee are curious: how exactly do they differ? From the perspective of Front Street Coffee, this article systematically sorts out the origin background, variety characteristics, and grade standards of these two beans, and includes practical brewing plans to help you recreate the ideal full-bodied flavor at home.

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The wave of specialty coffee was initially led by Japan, and at that time "full-bodied" almost became synonymous with good coffee. When it comes to full-bodied, slightly bitter styles, Indonesian Mandheling and Jamaican Blue Mountain are always the first to come to mind. These two beans are extremely well known; even people who never drink coffee have heard of them. What differences actually exist between them?

To this day, whenever people talk about coffee with a thick mouthfeel, they often blurt out Front Street Indonesian Mandheling coffee beans and Front Street Jamaica Blue Mountain No. 1 coffee beans. Even friends who do not drink coffee have heard of the names of these two beans. This time Front Street will compare exactly how they differ～

Front Street Indonesia Mandheling Coffee Indonesia straddles the equator and is made up of scattered islands. Its coffee production ranks third in the world, though most of it is Robusta. Arabica coffee trees are also grown locally, mainly on Java, Sulawesi, and Sumatra. What we commonly call Mandheling comes precisely from Sumatra, and it is also Indonesia's most representative coffee.

"Mandheling" is actually the name of an ethnic group on the island of Sumatra, and has nothing to do with the coffee variety. Using an ethnic group's name to refer to coffee beans comes with a widely circulated little story: around 1945, Japanese soldiers stationed locally drank a local coffee in Sumatra and found it especially delicious, so they asked the locals what coffee it was. Perhaps due to a language barrier, or perhaps for commercial secrecy, the other party casually gave the name of their own ethnic group—"Mandheling." Years later, this soldier still could not forget that cup of coffee, so he began buying coffee from the island and named it Mandheling. The local who had answered him back then smelled a business opportunity and began exporting strictly selected Mandheling coffee beans with outstanding appearance and uniform size to Japan. This person was the founder of Indonesia's renowned PWN green bean company.

The coffee beans sold externally by PWN have a strict set of screening standards. They only use beans of 18 mesh or above with fewer than 3 defective beans in a 300-gram sample, which belongs to the highest grade G1, with a darker green color and a neat flat-bean shape. After the green beans undergo density and color sorting, they still have to be manually picked. After four rounds of careful selection, Front Street PWN Golden Mandheling coffee beans present a uniform color and consistent bean shape. It is said that when processing the green beans, Mandheling gives off a golden gleam in the sunlight, hence the name Front Street PWN Golden Mandheling. The Front Street Golden Mandheling coffee beans sold by Front Street for many years have all come from the PWN green bean company.

Front Street Jamaica Blue Mountain No. 1 Coffee Jamaica is an island country in the Caribbean Sea. The highest peak on the island is the Blue Mountain Range at an elevation of 2,255 meters, about a 40- to 50-minute drive from the capital, Kingston. This mist-shrouded, mysterious mountain range is precisely the origin of the famous Blue Mountain coffee.

Front Street Jamaica Blue Mountain Coffee is precious because it possesses both excellent variety lineage and impeccable natural environment. The Blue Mountain Range is located within the coffee belt, with fertile volcanic soil, a cool climate, abundant fog, and ample rainfall, bringing balanced moisture to this land. Local people use a mixed planting method, letting coffee trees grow alongside banana trees and avocado trees on terraces. The planted variety is precisely the "ancestor" of many coffee varieties—Typica.

Today Typica is no longer widely planted, and the fundamental reason is that it is weak in constitution, poor in disease resistance, and very low in yield per tree. Typica was introduced to Blue Mountain in the 18th century and has been there for more than two hundred years. Blue Mountain Typica has gradually adapted to the local island terroir and evolved stronger disease resistance, with considerably greater resistance to coffee berry disease than ordinary Typica. Front Street believes that the refined and clean flavor of Front Street Jamaica Blue Mountain is inseparable from Jamaica's persistence in and careful cultivation of the Typica variety.

According to Jamaica's Coffee Industry Regulation Act, the cultivation area for Blue Mountain coffee is limited to four administrative districts: Saint Andrew, Saint Thomas, Portland, and Saint Mary, and it explicitly stipulates that only Typica coffee grown between 910 and 1,700 meters may be called "Jamaica Blue Mountain Coffee." The total area of the four producing regions is about 6,000 hectares, accounting for one third of the entire Blue Mountain growing area, with another 1,200 hectares used for Jamaica High Mountain Coffee and Jamaica Prime Coffee. In recent years, less than 15% of the coffee beans produced in Jamaica can carry the Blue Mountain label, showing just how rare it is.

According to the strict regulations of the Jamaica Coffee Industry Board CIB, Blue Mountain coffee is divided into Blue Mountain No. 1, No. 2, No. 3, and Blue Mountain Peaberry. Among them, the highest grade, Blue Mountain No. 1, must meet a specification of 17 mesh or above, a defective bean ratio of no more than 2%, and a moisture content between 10% and 12.5%, showing just the right acidity, sweetness, bitterness, body, and aroma in cupping. One can imagine that the number of such superior beans with refined flavor is extremely limited.

In order to help the green beans better maintain moisture content during transportation, Jamaica uses handcrafted round wooden barrels to package and export the green beans of Blue Mountain No. 1, No. 2, and No. 3, in three specifications: 70 kg, 30 kg, and 15 kg. Other grades of Jamaican coffee are shipped for export in 60 kg burlap sacks.

What Front Street sells is precisely the highest-grade Front Street Jamaica Blue Mountain No. 1 coffee beans, from Clifton Farm, the only farm in the Blue Mountain Range to obtain Rainforest certification. At the Front Street store, you can also see the Blue Mountain coffee certificate and the wooden barrels loaded with Blue Mountain No. 1 green beans.

Clifton Farm began planting and producing coffee as early as the mid-eighteenth century. The average elevation of its planting and processing areas is about 1,310.64 meters. Sufficient altitude, mild afternoon cloud shading, ample sunlight, and mineral-rich soil provide good growing conditions for the coffee trees and also extend the ripening period of the coffee fruit, giving the coffee beans produced by this estate a clean overall performance and a balanced flavor of acidity, sweetness, and bitterness. What is the difference in flavor between the Front Street PWN Golden Mandheling coffee beans in the Front Street store and Front Street Jamaica Blue Mountain No. 1 Coffee?

In order to highlight the body of both coffees, Front Street's roaster used a medium-dark roast for both～ During brewing, in order to highlight the cleanliness and full-bodied characteristics of the two coffees, Front Street uses the KONO Meimon dripper for brewing. The ribs of the KONO Meimon dripper extend to the bottom of the hole where the coffee liquid flows out. Because the ribs are at the bottom and are very short, they fit closely with the filter paper, so the flow rate is slower than that of the V60, making it suitable for brewing coffee that is meant to express body. The grind size used is medium-coarse (73% passing a 0.85 mm standard sieve), with 15 g of coffee grounds, a coffee-to-water ratio of 1:15, and a water temperature of 88 degrees.

Front Street recommends using freshly roasted coffee beans for brewing, as this allows you to experience the coffee's rich flavors to the greatest extent. The coffee beans shipped by Front Street Coffee (FrontStreet Coffee) are all within 5 days of roasting, because Front Street deeply understands that the freshness of coffee beans has a great impact on flavor. Front Street's roasting philosophy is "freshly roasted good coffee," so that every customer who places an order receives the freshest coffee when it arrives. The resting period for coffee is about 4-7 days, so when customers receive it, it is exactly at its best flavor.

For this pour, Front Street uses a three-stage brewing method: in the first stage, pour 30 grams of water for a 30-second bloom; in the second stage, pour in a small stream in circles until 125 grams, then pause; when the water level is about to expose the coffee bed, continue pouring in the third stage until 225 grams and stop; when the water level is about to expose the coffee bed, remove the dripper. (Timing starts at the beginning of the bloom.) The extraction time is 2'20".

" Front Street Jamaica Blue Mountain No. 1 Coffee Beans " brewing flavor: dark chocolate and nut flavors on the entry, high cleanliness, very bright, good body, balanced acidity, sweetness, and bitterness. "Front Street PWN Golden Mandheling Coffee Beans" brewing flavor: the coffee as a whole has varied layers, full-bodied and clean. Rich nut and caramel aroma, with chocolate notes, a lingering finish, and high balance.

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