咖啡生豆的分级体系直接影响烘焙效果与咖啡品质。本文系统梳理了两种主流分级方式：以筛网号数区分豆粒大小，以及依据种植海拔划分等级。同时汇总了肯尼亚、埃塞俄比亚、哥伦比亚、巴西、危地马拉、萨尔瓦多、夏威夷、牙买加和印尼等产地的常见分级标准与代号。无论是大宗交易还是精品咖啡，了解这些分级规则都有助于更准确地判断生豆特性，前街咖啡也将这些知识融入日常选品与烘焙实践中。 [more…]

What are the characteristics of Brazilian coffee, given that Brazil is the world's largest coffee-producing country? As a South American coffee, Brazilian beans have a relatively balanced flavor, low acidity, and a smooth mouthfeel, making them very suitable for use in espresso blends. Therefore, Front Street Coffee's basic blend, specialty blend, and commercial blend all use Brazilian beans as their base beans. Brazilian coffee [more…]

There are about 40 species in the Coffea genus, but only three native species—Arabica, Robusta, and Liberica—have real commercial value. They differ markedly in appearance, flavor, disease resistance, suitable altitude, and cultivation conditions: Arabica is elegant yet delicate, Robusta is hardy and intense, while Liberica is limited to localized trade in West Africa. Starting from botanical characteristics, this article systematically sorts out the origin distribution, climate and soil requirements, the complete cultivation process from sowing to harvesting, and the grading systems that producing countries have formed based on altitude, screen size, and defect bean ratios. Whether you are new to specialty coffee or want to understand the logic of origins more deeply, this foundational knowledge will help you more clearly judge the variety and terroir code behind the flavor in your cup. Front Street Coffee will also combine the key points in this article to recommend directions for your everyday purchases. [more…]

In coffee history, the specialty coffee wave and its three waves form the basic understanding people have of coffee. People often compare and contrast specialty coffee beans with commercial coffee beans, as if the two were opposites. So what are the differences and connections between them? To understand the differences between the two, we must first understand specialty coffee's [more…]

We know that the grading method of coffee beans usually depends on the actual situation of the growing country, such as being divided according to the size of the coffee beans, like Kenyan coffee; being divided according to the altitude, like Blue Mo [more…]

In today's society, everything has to be high-end—whether it's food or drink, as long as you add the word "specialty," its value instantly skyrockets. But whether it's truly worth it depends on individual choice. As one of the world's three major beverages, coffee has its own unique history and culture, and likewise across the globe [more…]

The refinement of specialty coffee often begins the moment it is harvested. In the same coffee field, the difference in final flavor between careful harvesting and careless harvesting may be even greater than that of roasting. How are coffee cherries picked one by one? Why must defective beans be removed? This article takes you into the scene of harvesting and grading. Handmade [more…]

在咖啡产区的分级体系中，巴西是个特例——它的最高等级不是1而是2。为什么会出现这种情况？巴西咖啡究竟按照什么标准来划分等级？前街咖啡带你深入了解巴西咖啡的分级制度，从瑕疵率、颗粒大小到杯测风味，逐一拆解NY2背后的逻辑。同时，我们还会聊到巴西喜拉多产区咖啡的风味特点，以及前街口粮系列中的巴西喜拉多和前街巴西皇后庄园黄波旁，看看这两支最高等级的巴西咖啡到底表现如何。 [more…]

We know that coffee bean grading methods are usually based on the actual conditions of the growing country. Some are graded by bean size, such as Kenyan coffee; some by altitude, such as Blue Mountain coffee; and some by defect rate, such as Ethiopian coffee. As the gene pool of Arabica, Ethiopia has a wide variety of coffee varieties. [more…]

You may not be very familiar with Papua New Guinea as a coffee origin, but Front Street Coffee believes that Front Street Papua New Guinea coffee stands out uniquely among the many coffees. Papua New Guinea is located in the southwestern Pacific, along the Pacific Ring of Fire, and is part of a volcanic geological zone with fertile volcanic soil, making it [more…]

Indonesia has been on the coffee-planting path since the Dutch started it in the 17th century, and to this day Indonesia's coffee enjoys a pivotal position internationally. But if you were to ask which Indonesian specialty coffee is the most famous, many people would probably think of Sumatra Mandheling. So what exactly is Mandheling? Does it taste good? How do you choose a high-value [more…]

Pu'er, a city that changed its name because of Pu'er tea, is now entering the public eye with a new identity as the "Coffee Capital of China." The Tropic of Cancer passes through it, placing it on the same latitude as Cuba, the kingdom of coffee, and its exceptional climate conditions make it an ideal growing region for Arabica coffee. From Nestlé's arrival and layout in 1988 to today, when international giants such as Starbucks and Kraft are competing to purchase its beans, Pu'er's coffee industry has gone through more than thirty years. Through vivid details such as coffee farmer Zhang Kui's cultivation story, technical assistance from international experts, and cup quality control, this article presents the varietal advantages, current state of the industry, and future business opportunities of Pu'er Arabica coffee, while also introducing Front Street Coffee's continued attention to and recommendations for Yunnan coffee. [more…]

For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). Many friends, while drinking coffee at Front Street, ask our baristas, "What is Yirgacheffe G1 and Yirgacheffe G2?" "What is Kenya AA, AB?" What is Guate... [more…]

咖啡豆作为农产品，品质参差不齐，因此需要一套分级制度来规范品质、为买家提供参考。然而全球产区地理环境与种植模式差异巨大，无法用统一标准衡量，各产区只能因地制宜。目前主流分级方式有三大类：筛网大小、海拔硬度、瑕疵率，不少国家还会组合使用甚至加入杯测弥补缺陷。本文将系统梳理这三种分级方式的逻辑与代表产国，重点解析肯尼亚如何单以颗粒大小定级，并介绍哥伦比亚、埃塞俄比亚、牙买加、印尼、巴西等国的分级实践。前街也将分享相关品牌产品信息，帮助咖啡爱好者理解生豆等级背后的含义。 [more…]

When it comes to rich, creamy body, many people first think of Mandheling. Mandheling is indeed a representative of full-bodied richness, but in the world of specialty coffee, it isn't the only region known for beans with abundant oils. Understanding the oil expression of beans from different regions allows you to move beyond the Mandheling framework when selecting beans, giving you a richer set of choices. Mandheling is full-bodied and oil [more…]

Blue Mountain coffee is hailed as the "Emperor of Coffee," but the market is flooded with a mix of genuine and fake products, making it hard to tell true from false. From the perspective of Front Street Coffee, this article systematically sorts out the historical origins of Jamaican Blue Mountain coffee, the certified authentic production regions, the green bean grading standards, the characteristics of the Typica variety, and the differences between the two processing methods of washed and natural. At the same time, it explains in detail how to identify genuine Blue Mountain through features such as the CIB certificate and wooden barrel packaging, and includes the roasting curve, cupping report, and brewing parameters of Front Street's washed Blue Mountain, helping coffee enthusiasts gain a comprehensive understanding of the true appearance and value of this top-tier coffee. [more…]

For more specialty coffee knowledge, please follow our WeChat official account: FrontStreet Coffee "Passing by a coffee shop, I noticed below the espresso menu it said [Switch to SOE for 3 yuan extra]." So what exactly is this SOE, and will it taste better if you switch to it! In this article, the barista [more…]

When it comes to coffee beans with rich, creamy body, many people first think of Mandheling. Indeed, Indonesian Mandheling is the representative of the rich and creamy style, but if you want to drink rich, creamy coffee, the producing regions to choose from are not limited to this one. Brazil, Papua New Guinea, and Jamaica each have their own expressions of richness and creaminess, and they are all worth trying one by one. Indonesia is a stronghold of the rich and creamy style. Sumatran [more…]

Mandheling coffee is a single-origin coffee commonly found in specialty coffee shops. It is said that before Blue Mountain coffee was discovered, Mandheling was once regarded as the finest of coffees and swept the world for a time. Mandheling coffee is considered the most full-bodied coffee in the world; when tasting Mandheling, you can distinctly feel the tongue [more…]

When it comes to Mandheling coffee beans, everyone surely knows that Indonesia's most famous coffee beans are the Golden Mandheling coffee beans produced by PWN. However, this coffee bean was not originally a PWN product, but a product produced by the Japanese. So why is it that when people mention Front Street Golden Mandheling, their first reaction is Indonesia's P [more…]