Indonesian Coffee Beans. Unveiling Exotic Varieties

by Coffee Shrubs
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Indonesian Coffee Beans, cultivated in the vibrant archipelago of Southeast Asia, embody Indonesia’s rich cultural diversity, stunning landscapes, and age-old farming traditions. Renowned for their unique flavor profiles, these beans benefit from the country’s fertile volcanic soil, contributing to Indonesia’s distinguished legacy in producing and consuming coffee.

Indonesian Coffee Beans
Indonesia ranks as the fourth largest coffee producer in the world, following Brazil, Vietnam, and Colombia.

As a result, Indonesia has become a key player in the global coffee market, offering a range of coffees that captivate coffee enthusiasts worldwide.

History of Indonesian Coffee Beans 

The history of coffee in Indonesia dates back to the late 17th century during the Dutch colonial period, with the first seeds reportedly arriving in Batavia, now Jakarta, the nation’s capital. The plants thrived, and by 1711, the first coffee exports were shipped from Batavia to Europe by the Dutch East India Company, marking Indonesia as one of the first places outside Arabia and Ethiopia to cultivate coffee on a large scale.

 By the 18th century, the Dutch East Indies had become the world’s leading coffee supplier until Brazil took over in the 1840s. 

North Sumatra’s Arabica coffee is internationally renowned for its high productivity, export levels, and unique Giling Basah processing method. This technique, developed to expedite drying in regions with heavy rainfall and high humidity, is a testament to the innovative spirit behind Indonesian Coffee Beans and further solidifies Indonesia’s status in the global coffee industry.

Flavor Profile

Due to Indonesia’s diverse climate and geography, Indonesian coffee beans offer a range of flavors. Sumatran coffees are known for their earthy, herbal qualities, while Java beans often have a cleaner, slightly sweet profile. Sulawesi varieties stand out with spicy, fruity flavors, and Bali coffees are characterized by their mild acidity and solid and woody notes. 

Kopi Luwak from Indonesia, distinct for its unique processing, features a smooth body and a complex flavor profile with less bitterness. Each region contributes to the rich tapestry of tastes that define Indonesian coffee.

Coffee Growing Regions of Indonesia

In 2020, Indonesia produced 12,100,000 60-kg bags of coffee, demonstrating its significant role in the global coffee scene. From Java, coffee cultivation spread across the Indonesian islands, reaching Sulawesi by 1750, northern Sumatra around Lake Toba by 1888, and the Lake Tawar area in Gayo by 1924. Each island presents unique cultivation regions and flavors:

Sumatra

  • Central Regions: Aceh, Lake Toba, and recently Mangkuraja in the south.
  • Flavors: Intense with a thick, creamy texture, low acidity, and deep notes of chocolate, chili, sweet fruit, cedar, tobacco, and earth.
  • Altitude: Aceh 1100-1300m, Lake Toba 1100-1600m, Mangkuraja 1100-1300m
  • Harvest: September-December
  • Varieties: Typica (including Bergandal, Sidikalang, and Djember), TimTim, Ateng, Onan Ganjang

Sumatra’s coffee production is distinguished by its diverse cultivation areas: Aceh, Lake Toba, and Mangkuraja. The island’s coffee, particularly the Mandheling variety, is known for its low acidity and rich, herbal flavors. Sumatran coffee often blends various unidentified varieties, resulting in its bold taste and creamy texture. Most of Sumatra’s coffee is exported through the port of Medan, though the region’s humid climate challenges bean preservation.

If you’re interested in delving deeper into the unique attributes of Sumatran coffee, we invite you to explore our article Is Sumatra Coffee Good? Uncovering Its Rich Flavor & Quality.

Java

  • Flavors: Rich, full-bodied with dark chocolate and spicy chili nuances.
  • Altitude: 900−1800m
  • Harvest: July-September
  • Varieties: Typica, Ateng, USDA

As the birthplace of Indonesian coffee, Java now contributes 12% to the country’s total coffee output. The island is known for its significant estates and a mix of Arabica and Robusta beans. Java’s Arabica is characterized by a sound body and herbal notes, with a sweeter profile than Sumatran coffee. The island’s coffee benefits from volcanic soil, enriching its beans with a rich flavor that includes dark chocolate and spicy chili nuances.

Sulawesi

  • Flavors: Smooth and earthy with spicy, sweet, nutty tones and a bright finish.
  • Altitude: Tana Toraja 1100−1800m, Mamasa 1300-1700m, Gowa around 850m
  • Harvest: May-November
  • Varieties: S795, Typica, Ateng

Accounting for 8% of Indonesia’s coffee, Sulawesi’s Arabica is primarily grown in Tana Toraja, with Kalosi being a notable coffee brand from the region. Sulawesi coffee is appreciated for its smooth, earthy flavors with spicy and sweet nutty notes. The island’s coffee production involves both washed and semi-washed processes, producing a significant amount of Robusta.

Flores

  • Flavors: Chocolate, floral, and lovely earthy notes.
  • Altitude: 1200−1800m
  • Harvest: May-September
  • Varieties: Ateng, Typica, Robusta

 Flores, a small island east of Bali, has developed a coffee culture relatively late. Its coffee is often sold domestically or blended rather than exported as “Flores Coffee.” The volcanic soil across the island, especially in coffee-growing areas like Bajawa, contributes to its beans’ chocolate, floral, and sweet earthy flavors.

Bali

  • Flavors: Complex with a heavy, silky body, low acidity, and woody solid tones with delicately spiced citrus notes.
  • Altitude: 1250-1700m
  • Harvest: May-October
  • Varieties: Typica and Typica derivatives, Robusta

 Coffee was introduced to Bali relatively late, primarily cultivated on the highland plateau of Kintamani. Following the devastation caused by the eruption of Gunung Agung in 1963, efforts in the late 20th century aimed to boost Arabica production. However, about 80% of Bali’s coffee crops today are Robusta. Balinese coffee is known for its heavy, silky body and strong woody and spiced citrus tones.

Processing of Indonesian coffee beans

In Indonesia, harvesting Arabica coffee involves meticulous handpicking by smallholder farmers and larger estates, setting the stage for diverse processing techniques that significantly influence the final coffee’s flavor and aroma profile. The traditional dry processing method is preferred for a segment of Arabica growers in regions like Sulawesi, Flores, and Bali, along with most Robusta producers.

 This approach involves sun-drying the coffee cherries and hulling them once they’re dry, a straightforward but effective method that contributes to the beans’ overall taste.

On the other hand, the “giling basah” or wet-hulling process is predominantly used by producers in Sulawesi, Sumatra, Flores, and Papua. This method is notable for its role in defining the unique characteristics of Indonesian coffee.

 Additionally, more extensive operations often opt for the thoroughly washed processing method, including processing mills, estates, and certain coffee cooperatives across Sumatra, Java, Sulawesi, and Bali. This technique is acclaimed for yielding a cleaner cup that enhances the beans’ natural flavors, showcasing Indonesia’s diverse and rich coffee culture.

Kopi Luwak

Civet from Asia
The civet, a mammal from Asia and Africa, is known for selectively picking and consuming coffee cherries at their ripest; its unique digestion removes the bitterness from the beans without digesting them.

Kopi Luwak, originating from Indonesia, is a gourmet coffee with a unique production process. Its unconventional acquisition method has sparked diverse opinions.

 The term “Kopi” translates to coffee in Indonesian. At the same time, “Luwak” refers to the civet, a small cat-like animal found across various parts of the world, including the Indonesian islands of Sumatra, Java, Sulawesi, and Bali. Kopi Luwak is made from coffee cherries consumed and digested by the civet, chosen by the animal for their optimal ripeness.

 The coffee plant yields fleshy red, purple, and sometimes yellow fruits, known as coffee cherries, each containing two seeds or beans encased in a semi-rigid, parchment-like shell. Once these shells are removed, the green coffee beans are revealed and ready for roasting and packaging.

The exotic aspect of Kopi Luwak’s production lies in the civets’ diet, which consists almost exclusively of coffee cherries, enabling them to select the finest beans at their peak ripeness. After consumption, the coffee cherries undergo slight modifications as they pass through the civet’s digestive system; the inner coffee bean is not digested but is believed to undergo chemical changes due to enzymes in the civet’s stomach, which enhance the coffee’s flavor by reducing its bitterness. 

Local farmers collect the excreted beans, wash them, and subject them to light roasting to preserve their unique taste, making Kopi Luwak a highly sought-after and expensive coffee globally.

 Conclusion 

In conclusion, Indonesian Coffee Beans encapsulate the essence of Indonesia’s rich and diverse coffee culture, offering a unique spectrum of flavors that cater to a wide range of palates. From Sumatra’s earthy and herbal notes to the spicy and fruity undertones of Sulawesi, each region contributes its distinct characteristics, reflecting the varied landscapes and traditional processing methods of this vast archipelago. 

The intriguing process and flavor of Kopi Luwak further highlight Indonesia’s unique position in the global coffee industry. As enthusiasts explore the flavors of Indonesian coffee, they’re not just tasting a beverage; they’re experiencing a piece of Indonesia’s rich agricultural heritage and its contribution to the world of coffee.

Suppose you’ve enjoyed this article and are intrigued by the flavors offered by the Asian continent. In that case, we invite you to delve into the world of Yemeni Coffee Beans, A Drink With History. Discover the rich traditions and unique tastes of Yemen’s coffee, a pivotal part of global coffee heritage.

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