Introduction:Indonesian Mandheling coffee is renowned for its full body and low acidity, and PWN’s Golden Mandheling is especially popular in the premium market. This article takes an in-depth look at the differences between PWN Golden Mandheling and regular Mandheling, comparing aspects such as origin, wet-hulling processing, roasting characteristics, professional cupping, and pour-over brewing recommendations to uncover the unique charm of this classic bean, while also providing practical brewing parameters to help coffee enthusiasts fully grasp the essence of Mandheling flavors.
In the world of specialty coffee, Mandheling has long been a favorite among many coffee drinkers, especially those who prefer bold, low-acid profiles. And when it comes to Mandheling, one cannot overlook PWN Golden Mandheling from Sumatra, Indonesia. What exactly sets PWN Golden Mandheling apart from the common Mandheling varieties on the market? The differences lie not only in origin and processing methods but also involve nuances in roasting and brewing. This article will provide a comprehensive analysis from multiple angles to help you fully understand the key distinctions between the two.
Many customers, when ordering at coffee shops, often say: “I’d like a coffee that’s not too acidic and has a stronger flavor.” In such cases, baristas usually recommend Brazilian or Mandheling beans. If it’s further explained that Brazilian beans might develop slight acidity as they cool, customers who prefer bold flavors almost always opt for Mandheling. Among Indonesian coffee options, PWN’s Golden Mandheling is often a star performer on retail sales charts. However, many still have questions: What is Golden Mandheling? How is it different from regular Mandheling?
There are mainly two theories about the origin of the name "Mandheling." The first is related to the World War II era. At that time, Japanese troops occupied Indonesia, and one Japanese soldier tasted an exceptionally smooth coffee there. Later, he asked the then-PWN company (a major Indonesian exporter of rubber and agricultural products at the time) to help source high-quality coffee beans. To protect information about the specific origin, the PWN manager did not disclose the exact producing area but instead referred to it casually as "Mandheling," based on the nearby town of "Mandailing" at the time, and the name stuck. The second theory involves a language misunderstanding, claiming that a Japanese officer misheard the Indonesian shopkeeper’s reply of "Mandailing" as "Mandheling." After returning home, he couldn’t forget the coffee and sought it out again through a trader, who would later become the founder of PWN. Although the details vary slightly, both point to the same conclusion: the name Mandheling has deep ties to the Japanese and the PWN company.
PWN, whose full name is PAWANI, was established in 1958 by a Chinese family from Quanzhou, Fujian, operating in Medan, Sumatra, Indonesia. The company has been involved in export businesses since 1957, including rubber, spices, and coffee. Among these, their Sumatran coffee beans exported to Japan gained a strong reputation in the Japanese market for their consistent quality and rigorous processing. It’s worth noting that PWN is the only company authorized to use the "Golden Mandheling" trademark, which means that only sacks bearing the PWN logo and products holding official certificates are considered authentic Golden Mandheling.
Golden Mandheling is visibly distinct. Compared to the mottled appearance commonly seen in regular Mandheling beans, Golden Mandheling green beans have a smooth, vividly green surface with excellent polish, reflecting a more stringent selection process during harvesting and processing. Generally, PWN performs four rounds of manual sorting for this coffee to ensure that only the highest-quality beans can bear the Golden Mandheling label.
Famous producing regions in Sumatra include the Gayo Highlands (also known as the Aceh region), Lintong, and Sidikalang. The Lintong region, located near Lake Toba at an altitude of about 1400–1800 meters, is one of the traditional sources of Mandheling and commonly uses varieties such as Jember, Garundang Typica, and Ateng. Golden Mandheling, on the other hand, mainly comes from Sidikalang, also situated by Lake Toba but at a higher elevation of 1500–2000 meters. However, starting from the 2020 harvest season, some Golden Mandheling has shifted to production in the high-altitude areas of Aceh’s Gayo region, and the bean variety has changed from Typica to Ateng (the local term for Catimor).
The Sumatran wet-hulling process is key to shaping the coffee’s flavor profile. Due to the region’s humid climate, which is unfavorable for the drying processes of traditional sun-drying or washed methods, a unique wet-hulling technique has been developed. The steps include: first removing the skin and pulp while retaining the parchment and mucilage; then fermenting in water tanks before washing off the mucilage; subsequently drying with the parchment for 2–3 days until the moisture content drops to 20–24%; then hulling off the parchment and continuing to dry until the moisture level reaches 12–13% before export. This process gives Mandheling its bold, heavy, and low-acid characteristics.
In terms of roasting performance, Golden Mandheling requires particular attention during the drying phase due to its higher moisture content. It is recommended to start with an initial drum temperature of 200°C, set the air vent to 3, and after one minute, adjust the heat to 160°C. Once the bean surface turns yellow and the grassy notes disappear, gradually adjust the air vent and heat until the first crack begins, then further open the air vent to maximum. The beans are typically dropped at around 204.5°C. In contrast, Lintong Mandheling often needs to be roasted into the second crack to reduce off-flavors, whereas Golden Mandheling can display good clarity and sweetness whether dropped just before or after the second crack, offering greater flexibility in flavor expression.
In cupping, Golden Mandheling generally performs cleaner, with significantly reduced herbal, earthy, and woody off-notes, while showcasing brighter caramel sweetness and elegant fruit acidity. Lintong Mandheling often exhibits pronounced herbal, dark chocolate, and caramel tones with a notable aftertaste. Golden Mandheling, however, offers a more concentrated sweetness, with a long-lasting and layered finish.
For brewing recommendations, both beans suit medium-to-dark roasts. It is suggested to use a KONO filter, with a coffee dose of 15 grams, a 1:15 coffee-to-water ratio, water temperature controlled at 86–88°C, and a medium-coarse grind size (around 70% passing through a #20 sieve). Recommended pour-over method: start with a 30-gram bloom for 30 seconds; then pour in small circles to reach 125 grams for the first pour; once the water level drops, continue pouring to 225 grams for the final pour, with a total brew time of about 2 minutes. These parameters effectively highlight the richness and sweetness of Mandheling while avoiding excessive extraction that could lead to astringency.
In summary, the differences between PWN Golden Mandheling and regular Mandheling lie not only in origin and processing but also in roasting flexibility, cupping flavors, and final brewing performance. If you’re seeking a coffee that is low in acid, full-bodied, and offers clear sweetness, Golden Mandheling is definitely worth a try.
The above content is compiled by CoffeeHunters, a coffee news website.
