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Home / Coffee Beans/ Introduction to Asian specialty coffee|Where are the coffee producing areas in Indonesia? PWN Golden Mandheling Coffee Bean Flavor and Taste Characteristics Brand Grade Introduction

Introduction to Asian specialty coffee|Where are the coffee producing areas in Indonesia? PWN Golden Mandheling Coffee Bean Flavor and Taste Characteristics Brand Grade Introduction

2026.10.20 FrontStreet Coffee 91

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As an exclusive brand of PWN Green Bean Company, uniqueMandheling coffeeWith the addition of the word "gold", it has become a famous representative of Indonesian specialty coffee. This article from Front Street tells everyone aboutPWN Gold Mandheling CoffeeWhat are the unique features?


authenticGolden Mandheling Coffee

There will be two Indonesian Mandheling coffees on the daily coffee list at Front Street for everyone to choose from. The most popular one is of course the one that has been hand-selected "PWN Gold Mandheling Coffee”, not only has the classic herbal spice aroma and rich taste of Mandheling, but the reduction in defect rate reduces the odor of conventional Indonesian coffee beans, bringing the cleanliness to a higher level.


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"Golden Mandheling" is the exclusive brand of Pwani Coffee Company (PWN). There are many different types on the market.MandhelingProduct, since PWN Company has registered the English "Golden Mandheling" as the company's trademark, only the Golden Mandheling coffee produced by PWN Company is the true Golden Mandheling. You can identify authentic beans based on the green bean sacks with the PWN logo and a certificate of origin signed by the PWN company.Golden Mandheling, Front Street displays these two logos in the Dongshankou store.


Observing Golden Mandheling's green bean sacks, we can see the words "Triple pick" and "GRADE 1", which means that they belong to the highest grade of Indonesian green beans. During production, PWN hand-selected three times based on the purchased GRADE 1 green beans.


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The grading of Indonesian green coffee beans is based on the number of defective beans and the size of the beans. The general quality requirements are that there are no live insects, no moldy and rancid beans, and the maximum moisture content is 12.5%. The impurity rate is less than 0.5%. It will be divided into six levels according to the defect rate, among which the highest level is G1, which requires that the total number of defective beans in a 300g sample must be less than 11. The Lindong Mandheling coffee in the Front Street ration bean series is G1. It is produced in the Lindong production area of ​​Sumatra Island and uses wet planing processing to present the classic Indonesian Mandheling flavor: dark chocolate, nuts, herbal spices, and caramel.


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PWN Company, which has achieved the ultimate in selection, undergoes multiple rigorous selections of G1 grade Mandheling to minimize the defect rate of coffee, remove earthy and other impurities, and at the same time enhance the sweetness and cleanliness of Mandheling. In addition, PWN Company will also put the green beans in a machine for density and color screening before packaging to ensure that the golden Mandheling green beans produced are large, uniform and bright in color.


MandhelingAlso called Sumatran coffee

Just like various vegetables and fruits, coffee is also a crop. The flavor is always closely related to the variety, climate, altitude, soil, management and other factors. It is a natural and true reflection of the variety and local terroir. What post-processing and roasting should do is to maximize the retention, restoration and display of their most authentic flavor. The unique flavor of Mandheling is inseparable from the mysterious and mysterious island of Sumatra.


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The entire Sumatra is divided into eight provinces, of which only the high-altitude Aceh and Subei provinces cultivate Arabica coffee on a large scale. Since Sumatra belongs to the tropical rain forest area, the mountains and forests are often filled with clouds and rain, giving Sumatra a mysterious color. Local people plant coffee trees around the two volcanic lakes, Lake Tawar and Lake Toba. The Gayo Mountains in the Lake Tawar area have ideal coffee growing conditions. Organic coffee cultivation is widely used. In addition, the long planting history makes the coffee produced here higher quality and yield. Therefore, many coffee beans are also valued here, including the very famous local Pwani Coffee Company (PWN).


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Semi-washing method - wet planing method

Friends who often drink Mandheling coffee must be familiar with the wet planing method. The processing time of wet planing method is much shorter than that of water washing treatment. Traditional washing treatment takes 1 to 3 weeks, while wet planing method only takes a few days to complete the entire process. The wet planing method will first peel off the peel and pulp of the coffee berries, then dry them after a short fermentation. When the beans are semi-dry, remove the parchment and continue drying. When the moisture content reaches 12%, they can be packaged, sorted and graded.


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The seemingly quick and time-saving wet planing process, if not strictly controlled, can easily become damp and moldy in Indonesia's hot and humid environment. But in addition to Sumatra, this treatment method is also widely used in Sulawesi and Papua New Guinea in Indonesia. This is because Indonesia has a tropical rainforest climate and the humidity in the air is as high as 70 to 90%. Green coffee beans cannot be dried in the sun for a long time, and the cost of washing is quite high. Coffee farmers have no choice but to develop this semi-washing method. Although the time for each step is greatly shortened, the green beans without the parchment will still absorb moisture from the hot and humid air, so the Mandheling coffee produced has a dull aroma of wood, herbs, and spices.


In order to present the classic Mandheling flavor, Front Street uses medium-dark roasting to eliminate the excessive sourness of Mandheling and enhance its body and balance. During the cupping process, Front Street felt the aroma of Golden Mandheling with spices, herbs, and pine wood, the rich sweet and bitter flavor of caramel, nuts, and pure dark chocolate, and the sweetness of melon. It has multiple layers, is mellow and clean, and has a high sense of balance.


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Flavor characteristics of medium-dark roasted golden Mandheling coffee

The flavor description of each Front Street Coffee is based on freshly roasted beans. If the coffee beans are stored for more than a month, the aroma is likely to have been lost, making it difficult to restore during brewing. Front Street also knows the importance of freshness, so it will ensure that only freshly roasted coffee beans within 5 days are shipped, so that everyone can enjoy the most complete tasting period when they receive it.


When brewing medium-dark roasted coffee beans, Front Street will use different brewing parameters than light-roasted coffee beans to give the coffee a richer chocolate tone. The caramelization reaction will be more than that of light roasted coffee beans, so it is easier to release the bitter macromolecules. In order to avoid extracting too many impurities, Front Street will lower the water temperature a little. The brewing water temperature for light roasted coffee is 91~93℃, and Front Street recommends 87~88℃ for medium and dark roasted coffee beans.


88度水温


The grinding degree will also be adjusted to be coarser, and the Kono filter cup will be used for staged extraction. The Kono filter cup has few ribs and is located at the low end. The filter paper is tightly attached to the filter cup, which can limit the air flow and increase the contact time between water and coffee powder, allowing the coffee powder to be fully extracted and enhancing the mellow taste.


Filter cup: Kono filter cup
Water temperature: 88℃
Amount of powder: 15g
Pink to water ratio: 1:15
Grinding degree: No. 20 standard screen pass rate 70-75%


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The front street adopts segmented extraction. Use 30 grams of water to steam for 30 seconds. When the water level drops to 125 grams, continue to pour water to 225 grams and stop pouring water. When the water level drops and the powder bed is exposed, remove the filter cup. (Steaming starts timing) The extraction time is 2'00'.


Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account cafe_style)


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You can now buy the above coffee beans online at the Taobao store “FrontStreet Coffee” (前街咖啡). FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou, China, and its Guangzhou retail shop sells coffee beans only. The shop carries dozens of coffee beans from different origins around the world, including carefully selected single-origin beans for V60 pour-over and espresso. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers.

The FrontStreet 2013 Yunnan coffee beans sold in the store come from the Typica variety grown at FrontStreet Coffee’s own plantation in Yunnan. The name comes from the year the brand and the plantation were founded. You can buy these beans from China’s Yunnan origin at the Guangzhou shop and at FrontStreet’s Taobao store.

FrontStreet coffee beans are freshly roasted within 5 days and deliver consistently excellent quality and great value. Orders placed before 17:00 are shipped the same day, and most areas within Guangdong Province receive them the next day.

FrontStreet Coffee Taobao store: https://qianjiecoffee.taobao.com
Or search for “前街咖啡” (FrontStreet Coffee) on Taobao
Important Notice: FrontStreet Coffee has moved to a new address: 315, Donghua East Road, Guangzhou (coffee beans only)
Tel: 020 38364473

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