In the lush, mist-shrouded highlands of Sumatra, where the volcanic soil is dark and rich and the air carries the cool scent of wet earth, a different kind of gold grows on tree trunks. This is not the gold of miners, but the gold of farmers: **Cinnamon.** While many associate this prized spice with Sri Lanka or Vietnam, the undisputed, sleeping giant of the global cinnamon trade is actually the *Kabupaten Kerinci* (Kerinci Regency) in Jambi, Indonesia. Despite being relatively unknown to the average Western consumer browsing the spice aisle, Kerinci cinnamon—known scientifically as *Cinnamomum burmannii* and colloquially as "Korintje"—is the quiet backbone of the world's spice supply.
Kerinci is not just a producer; it is a powerhouse. Accounting for a staggering 80 percent of Indonesia’s total cinnamon output, this region dictates the quality and price of cassia cinnamon worldwide. However, the story of this spice is more than a statistic. It is a narrative of Dutch colonial legacies, a fight for sustainable farming, and a unique terroir that produces a flavor profile distinct from any other in the world.
The Historical Roots of a Plantation Giant
The relationship between Kerinci and cinnamon is not a recent phenomenon. While the spice has been used in the archipelago for centuries, its commercial cultivation in Jambi was formalized during the Dutch East Indies era. In 1929, alongside the famous tea plantations of Kayu Aro, the Dutch introduced and systematized cinnamon farming. The volcanic slopes surrounding Mount Kerinci, the highest volcano in Indonesia, proved to be the perfect nursery.
Unlike the *Ceylon cinnamon* (*C. verum*) which is prized for its delicate, multi-layered structure, the Kerinci variety—*C. burmannii*—is a type of Cassia. It is characterized by its single-layer quill, a rougher texture, and a higher oil content. For decades, this "Korintje" cinnamon was viewed merely as a commodity. But recent shifts in global agriculture have repositioned Kerinci not just as a farm, but as a center of excellence for organic and sustainable spice production.
The Distinctive Chemistry of Terroir
What makes cinnamon from Kerinci superior to the cassia produced in China or Vietnam? The answer lies in the soil and the climate. Often referred to as "Surga Rempah" (Spice Heaven), the Kerinci valley is a high-altitude basin surrounded by active volcanoes. The region’s heavy rainfall and mineral-rich andosol soil create a unique terroir that directly impacts the tree’s metabolism.
Kerinci cinnamon is renowned for its high essential oil content, often reaching 2.5% to 2.8%, compared to other cassia varieties. This high oil concentration translates directly into the sensory experience. It is intensely aromatic, with a sharp, sweet, and spicy kick that carries warm undertones of clove and nutmeg. This is "baking cinnamon." It is the robust flavor that can stand up to high heat and sugary doughs without fading, making it the preferred choice for American cinnamon roll fillings and European gingerbreads.
Furthermore, the specific chemotype of *C. burmannii* from Jambi contains a balanced profile of cinnamaldehyde (the compound responsible for the "hot" flavor). While *Ceylon* is subtle and *Chinese Cassia* is harsh, **Kerinci occupies the middle ground**—assertive enough to taste, but smooth enough to blend.
The Organic Revolution and TAKTIK
For many years, Kerinci cinnamon was a "wild" harvest. Trees grew in the forests, and farmers peeled the bark with machetes, selling it through a long, opaque supply chain. However, the last decade has seen a radical transformation driven by the farmers themselves.
Enter **TAKTIK** (*Tani Sakti Alam Kerinci*), a farmers' organization that has revolutionized how the spice is grown. Realizing that cinnamon trees take roughly eight years to mature before the first harvest (a significant barrier to entry), TAKTIK advocated for intercropping—growing coffee, ginger, or vegetables between the cinnamon trees—to provide income during the waiting period.
More importantly, TAKTIK drove the transition to organic certification. Recognizing that European markets pay a premium for chemical-free produce, they abandoned synthetic fertilizers. The result was a triumph: in 2015, the group secured the **Geographical Indication (IG)** certification for Kerinci cinnamon, legally recognizing that the spice’s quality is inseparable from its place of origin. This patent was a crucial victory, preventing other regions from labeling their lower-quality goods under the "Kerinci" name.
By 2022, TAKTIK had secured direct trade relationships with European companies like Tripper and Verstagen Spices. This bypasses the colonial-era model of trading through Jakarta, putting more money directly into the pockets of the farmers in villages like Siulak and Gunung Raya.
From Forest to Factory: The Processing Craft
Visiting a cinnamon processing facility in Kerinci is a sensory overload. The process remains largely manual, a testament to the craftsmanship involved.
Workers arrive with massive bundles of cut branches. The outer bark is scraped off using specialized knives. Then, using a tool that looks like a curved hook, the farmers slit the bark lengthwise. As the bark dries under the tropical sun, it naturally curls inward to form the "quills" (sticks) we recognize in the grocery store.
Because Kerinci produces *C. burmannii*, the bark is thicker and harder than Ceylon. It is usually sold as "quills of one layer". The best grades come from the lower part of the trunk, which produces a thicker, denser quill. The drying process is critical; if rushed, the cinnamon can crack. The high humidity of Kerinci actually slows this process, allowing for a slow, even cure that locks in the volatile oils.
These sticks are then sorted by grade. The premium lots are exported whole to gourmet markets in the US and Europe, while the broken pieces and lower grades are ground into powder for industrial baking or extracted for essential oils.
A Commodity in Global Demand
The versatility of Kerinci cinnamon has made it a staple across industries. In the United States, it is the standard for "Cinnamon Toast Crunch" style cereals and sticky buns. In Europe, specifically Belgium and the Netherlands, it is a key import for speculoos cookies and mulled wines.
The economic impact is profound. One of the more fascinating anecdotes from the region involves a simple loaf of "Kerinci brand" cinnamon raisin bread sold in Europe. Reportedly, a single small slice of this bread retails for approximately 2 Euros (roughly Rp 30,000), a price point that highlights the massive value added once the raw spice leaves Indonesian shores. For years, Indonesia captured only the commodity price; now, with branding and organic certification, Kerinci is capturing the *value*.
The Health Paradox: Coumarin vs. Insulin
No article about *C. burmannii* would be complete without addressing the elephant in the room: **Coumarin**. Recent health trends have demonized cassia cinnamon (including Kerinci) because it contains naturally occurring coumarin, a compound that can be toxic to the liver in extremely high doses, whereas Ceylon cinnamon contains almost none.
However, the narrative is more nuanced. The concern is largely for chronic, excessive supplementation (tablespoons daily). For culinary use—sprinkling on oatmeal or baking a pie—Kerinci cinnamon is perfectly safe. Furthermore, researchers at institutions like IPB (Bogor Agricultural University) have extensively studied the benefits of Indonesian cinnamon, particularly its potential role in managing blood sugar.
Studies focusing on *C. burmannii* have identified polyphenols that mimic insulin, specifically increasing the expression of GLUT (glucose transporter) genes. In layman's terms, Kerinci cinnamon may help muscle cells absorb glucose more efficiently. While clinical human trials have shown mixed results (some show strong blood sugar reduction, others show minimal effect), the traditional use of cinnamon as a metabolic aid is supported by a growing body of biochemical evidence. The coumarin warning remains a caution for high-dosage supplements, not a ban on the spice.
Challenges and the Future of the Golden Bark
Despite its golden status, Kerinci cinnamon faces significant hurdles.
First, **aging trees and regeneration**. The 8-year wait for harvest discourages young farmers from entering the industry. Many prefer quick-turnaround vegetables or seek work in palm oil plantations. This has led to a regeneration gap in some areas.
Second, **policy and pricing**. Research using the Policy Analysis Matrix (PAM) has shown that while Kerinci cinnamon is highly competitive globally (with a Domestic Resource Cost Ratio of less than one, indicating efficiency), government policies are not always favorable. Often, the price farmers receive is lower than the social benefit they generate due to input subsidies that distort the market or inefficiencies in the supply chain.
Third, **climate change**. The delicate highland ecosystem of Kerinci is susceptible to weather pattern changes. Unpredictable dry seasons can stunt tree growth, while excessive rain disrupts the drying process.
Yet, there is hope. The "revival" movement is spreading. Farmers' groups in areas like Petungkriyono, Central Java, are specifically traveling to Kerinci to buy certified seedlings to restart their own agroforestry projects. This recognition as a source of *quality genetics* shows that Kerinci is no longer just a labor hub but the intellectual and botanical capital of Indonesian cinnamon.
Conclusion
Cinnamon from Kerinci is more than a spice; it is the liquid history of the island of Sumatra. It is the product of volcanic fire and tropical rain, of colonial industry and modern organic cooperatives. Every time you bite into an apple pie or sip a spiced latte, there is a high probability that the warmth you taste traveled from a misty mountain slope in Jambi.
As the world shifts toward ethical sourcing and traceability, the story of *C. burmannii*—from the machetes of the TAKTIK farmers to the bakeries of Europe—deserves to be told. It is a story of resilience, of a region stepping out of the shadows of bulk commodification and into the light of global recognition. Long live the golden bark of Kerinci.
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References:
1. Metro Jambi. (2019). Kunjungi Kerinci, Dewan Rempah Bicarakan Kerja Sama Kayu Manis Kerinci.
2. Asian Farmers Association. (2022). INDONESIA – TAKTIK on sustainable cinnamon farming.
3. IPB University. (2013). Kayu Manis dan Sensitivitas Insulin.
4. Relung Indonesia. (2025). Reviving Agroforestry Heritage.
5. Agrapana Spices. (2024). Cinnamon Stick Supplier.
6. IPFS. Cinnamomum burmannii.
7. Wollenhaupt Tea. (2019). Sumatra – Island of Cinnamon Trees.
8. GARUDA (Digital Reference). Competitiveness of Cinnamon Farming.
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11. https://www.origine.eu/blog/blog-homepage-5/post/korintje-cassia-cinnamon-a-versatile-organic-ingredient-legacy-243
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