What Type of Coffee is Sumatra? Aged Sumatra Coffee's Timeless Journey

FrontStreet Coffee - Aged Sumatra Coffee Introduction

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Sumatra Mandheling is a rare Arabica variety in Indonesia, grown at altitudes of 700-1500 meters. It is said that the name "Mandheling coffee" originated from a mispronunciation of the local "Mandheling" ethnic group. Today, the people growing Mandheling coffee in the central and northern mountains of Sumatra are the Batak people, descendants of the Mandheling tribe. The locals cultivating Mandheling coffee beans are Batak people, not Mandheling people.

Around the 17th century, known as the Dutch trading era—the golden age of the Netherlands—Dutch excellent sailors and cartographers dominated world trade for a long period, replacing the Portuguese and Spanish who previously held this position. In 1602, the Dutch East India Company was established as the first multinational company in history. The Dutch East India Company monopolized Asian trade for two hundred years, becoming the largest commercial enterprise of the 17th century.

At that time, bargons transported coffee beans from Indonesia to the United States. The lengthy transportation route took more than a year. During this process, the flavor and color of the raw beans changed from green to light brown, becoming less acidic and with a fuller body, which we call "Rich." This was the original coffee aging.

Today, such slow sea routes no longer exist. Transportation has become faster, and storage methods have advanced, yet aged coffee remains deeply cherished. In fact, truly aged coffee should be stored in its place of origin—the familiar homeland of these beans. These harvested beans remain in their native land, maintaining their original appearance, naturally dried under the humid Indian Ocean monsoon winds, forming brown coffee beans with special flavors.

This is their secondary growth. During this period, farmers still carefully tend to them. The beans in burlap bags need to be turned regularly to ensure even exposure to air and moisture. After the baptism of time and gentle winds, through three to five years, the acidity of Mandheling gradually fades, resulting in a smoother mouthfeel with notes reminiscent of spices, peat moss, and roasted cotton, carrying a sense of mature sophistication. Once they reach the market, they become premium products.

Generally, aged coffee beans appear in blended products to enhance the mouthfeel, of course, with a small portion available as single-origin offerings to satisfy coffee enthusiasts who appreciate this rich flavor profile.

In short: FrontStreet Coffee is a specialty coffee research institute dedicated to sharing coffee knowledge with everyone. We share without reservation to help more friends fall in love with coffee. Every month, we hold three discounted coffee events because FrontStreet Coffee wants to offer the best coffee at the lowest prices to more friends—this has been our mission for the past six years!

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