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Where Does Kopi Luwak Come From: An Analysis of the Fermentation Process Inside the Civet and Its Pour-Over Flavor Profile

June 1, 2017
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Kopi Luwak is one of the most legendary coffees in the world, produced in Indonesia, and named after the civet cat eating coffee cherries and excreting the beans after internal fermentation. This unique natural processing method breaks down the proteins in the coffee beans, reduces bitterness, and gives the coffee a thick, sweet taste with a chocolate-like texture and a long-lasting aftertaste. However, the yield from wild civet cats is extremely low, and today most are farmed, resulting in differences in quality and flavor. This article will explain in detail the origin of Kopi Luwak, its production process, and the flavor performance when brewed by pour-over, giving you a comprehensive understanding of this luxury beverage.

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Kopi Luwak is produced in Indonesia. In the early 18th century, Dutch colonists established coffee plantations in Sumatra and Java, and at the same time explicitly forbade local residents from picking and eating the coffee cherries in the plantations. By chance, the locals noticed that civet cats particularly liked to eat these coffee cherries, and that the whole beans would be excreted intact with their feces.

Civet cats naturally choose only the ripest and sweetest coffee cherries to eat, which is itself a natural selection process. More importantly, people later discovered that after the beans were fermented in the cat's digestive tract, the brewed coffee was even more delicious than ordinary coffee. Aromatic and tasty Kopi Luwak thus gradually spread and became a highly sought-after treasure on the international market.

After processing and roasting, Kopi Luwak became a luxury coffee beverage and spread to luxury markets around the world. Local coffee farmers, in pursuit of high profits, caught wild civet cats and kept them at home so they could produce more Kopi Luwak. However, Kopi Luwak produced by farmed civet cats is also correspondingly much inferior in quality and taste. Even so, the production of this coffee is still very rare, and not everyone who likes coffee can afford it.

This coffee comes from the excrement of an animal called the civet cat, locally known in Indonesia as the civet cat. Although the raw material sounds unappealing, once it enters the mouth it is full of sweet fragrance, accompanied by an indescribable sweetness. Wild civet cats prefer plump and juicy coffee cherries, but the hard inner core, that is, the green bean, cannot be digested and can only be excreted with the feces. After washing, these beans are the green beans of Kopi Luwak coffee, so many people simply call it "cat poop" coffee. Indonesians discovered that coffee beans fermented in the civet cat's digestive tract are especially thick and aromatic, so they began collecting civet cat excrement, screening out the coffee beans, and brewing them for drinking. Because of its scarce production and unique fermentation process, its flavor is completely different from ordinary coffee. Traditionally, coffee cherries are processed by washed or sun-dried methods to remove the skin, pulp, and parchment layer, finally obtaining coffee beans; Luwak, however, extracts the beans through natural in vivo fermentation, and therefore carries a special flavor.

It is said that early Indonesian coffee farmers regarded civet cats that specialized in eating ripe coffee cherries as mortal enemies, but at some point someone thought of picking coffee beans out of civet cat feces to make coffee with a unique flavor. Coffee experts from various places were full of praise after trying it. From then on, during every coffee ripening season, local farmers spent a lot of time every day collecting civet cat feces in the forest.

Kopi Luwak is produced using the feces of the Indonesian palm civet (a type of civet cat) as the raw material, hence the name "cat poop coffee." This animal mainly feeds on coffee beans. After fermentation is completed in the palm civet's stomach, proteins are broken down, producing short peptides and more free amino acids, and the bitter taste of the coffee is reduced. The feces then excreted become the main raw material. Since the coffee beans cannot be digested, they are excreted, and after washing and roasting they become Kopi Luwak. Coffee critic Chris Rubin said, "The aroma is so rich and powerful, and the coffee is incredibly intense, almost like syrup. It has the thickness and mouthfeel of chocolate, and lingers on the tongue for a long time, with a pure aftertaste."

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

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