Colombian coffee occupies an important place in the world of specialty coffee, and its green bean grading system is based primarily on defect rates and bean screen size. When buying Colombian coffee, what exactly do the words "Supremo" and "Excelso" commonly seen on burlap sacks mean? This article will systematically sort out the grading rules for Colombian green coffee beans from multiple angles, including export standards, defect scoring, and screen-size classification, and explain the specific differences among the three grades UGQ, EP, and Supremo. At the same time, the article will also introduce common Colombian coffee bean brands on the market, including product information recommended by Front Street Coffee, to help coffee lovers more clearly understand the grade and quality of the bag of beans in their hands. [more…]

The content of defective beans directly affects coffee quality and grade classification. Taking Brazil as an example, the local system uses a "deduction method," grading based on the number of defective beans per 300 grams of main beans. In addition, coffee usually requires hand sorting during processing, and only by fully mastering the types and characteristics of defective beans can they be effectively removed. So exactly how many types of defective beans are there? This article will use illustrated explanations to introduce ten common defective beans one by one, including shell beans, stones, moldy beans, fermented beans, dead beans, immature beans, shell beans, insect-damaged beans, black beans, and cocoa beans, explaining their causes, appearance characteristics, and negative effects on coffee flavor, laying the foundation for subsequent learning about defective bean selection. [more…]

Yirgacheffe is a very high-quality Arabica coffee with a unique and bright fruity sweetness and acidity. As soon as it enters the mouth, you can immediately perceive a fresh and clear white floral aroma, leaving a deep impression on everyone who has tried it. In terms of green coffee bean grading, Ethiopia focuses primarily on the defect rate of the beans, combined with cup [more…]

Ethiopia is a genetic treasure trove of coffee, with a vast array of native varieties and unique flavors. From Yirgacheffe to Sidamo, from washed to natural, every bean is full of surprises. This article takes you deep into Ethiopia's coffee variety classifications, flavor characteristics, processing method differences, the Red Cherry Project, and its unique grading system, and shares Front Street Coffee's cupping and brewing experience to help you gain a comprehensive understanding of this major African coffee country. [more…]

Blue Mountain coffee has always held a place in the specialty coffee world, and with its balanced, mellow flavor profile, it has won the favor of generations of coffee lovers. However, products marketed under the banner of "Blue Mountain flavor" keep emerging, while few people truly understand the origin rules, grade classifications, and certification system for Blue Mountain coffee. Starting from the geographical environment of the Blue Mountains, this article will systematically sort out the strict definition of Blue Mountain coffee by the Jamaica Industry Board, explain in detail the criteria distinguishing Blue Mountain No. 1, No. 2, No. 3, and peaberry, and introduce the traditional wooden barrel export practice and certificate of origin system for authentic Blue Mountain coffee. At the same time, Front Street Coffee (FrontStreet Coffee) will also share the brewing parameters and flavor presentation of Blue Mountain coffee in its stores, helping readers gain a comprehensive understanding of the true character of this classic coffee. [more…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). Recently, a discussion online sparked a round of debate among veteran coffee enthusiasts. In a video, a barista said: "When you go to a coffee shop, don't ask if they have Blue Mountain coffee anymore—doing so will expose that you don't understand coffee." [more…]

As the birthplace of coffee, Ethiopia has always been a pilgrimage site for many coffee professionals. Many friends who come to Front Street Coffee ask as soon as they walk in whether we have Ethiopian beans, whether we have Yirgacheffe beans. Yes, whether for coffee beginners or coffee connoisseurs, Ethiopian coffee beans have that bright [more…]

High-value Yirgacheffe recommendation. Front Street Coffee washed Yirgacheffe coffee beans. Region: Ethiopia Yirgacheffe. Altitude: 2300 meters. Variety: heirloom. Processing method: washed. Flavor notes: lemon, citrus, tea-like, honey, berry. Recommended because: classic Yirgacheffe flavor, affordable price, can be brewed [more…]

In the world of specialty coffee, Jamaican Blue Mountain and Ethiopian Yirgacheffe stand as the ultimate representatives of two distinct styles. The former is renowned for its nutty and chocolatey notes and its balanced ratio of acidity, sweetness, and bitterness, while the latter has won over countless palates with its jasmine florals and bright fruity acidity. Which one is better? Front Street Coffee believes that drinking coffee is an extremely subjective matter—rather than debating who comes out on top, it is better to analyze them one by one, from origin terroir, variety characteristics, to processing methods, and then make a judgment based on your own taste preferences. This article will guide you through a complete understanding of the unique qualities of these two coffees, covering producing region background, grade classification, variety differences, brewing parameters, and more. [more…]

Among rich and full-bodied coffees, many people are deeply impressed by Indonesian Mandheling coffee. Indeed, the name Mandheling coffee is quite renowned, a typical representative of Asian coffee, and loved by many. Along with its fame, however, many people taste it because of its reputation but stop at its flavor. Why is that? [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…]

Kenyan coffee is world-renowned for its bright and complex acidity, and the K72 washed processing method pushes this characteristic to the extreme. This article will take you deep into Kenya's coffee origins and variety composition, break down every step of the K72 double fermentation process in detail, and compare and taste the flavor differences brought by washed and natural processing methods. From the Asali Honey Processing Station in the Thika region to the French Mission Bourbon at Hania Estate, we will use two coffees of distinctly different styles as samples to analyze their aroma, acidity, sweetness, and aftertaste. Whether you are a beginner just getting to know Kenyan coffee or an experienced enthusiast looking for brewing inspiration, this article can provide you with valuable reference. [more…]

肯尼亚咖啡以鲜明的莓果调性、活泼酸质与扎实口感闻名，其独特的肯尼亚式水洗处理和按颗粒大小划分的生豆等级制度同样备受关注。国内常见的AA、AB、PB等等级究竟意味着什么？AA一定比AB好喝吗？前街咖啡通过盲测给出了答案。本文将系统梳理肯尼亚生豆分级标准、品质评估程序，并结合前街小番茄这款锡卡产区AA级水洗豆，介绍SL28与SL34品种特性、K72水洗处理法，以及具体的烘焙与冲煮方案，帮助你全面了解肯尼亚咖啡的风味密码与意式浓缩的应用潜力。 [more…]

巴布亚新几内亚虽与印尼接壤，咖啡风味却截然不同——干净、花香、回甘，而非曼特宁的浑厚。天堂鸟庄园作为该国精品咖啡代表，以Sigri和Paraka两座庄园最为出众。Sigri国际闻名，Paraka则性价比高、风味清爽。本文将带你了解PNG咖啡的分级体系、三段式水洗工艺、庄园历史，以及前街推荐的天堂鸟庄园咖啡豆全貌。 [more…]

Many friends have messaged Front Street privately, asking Front Street to introduce some representative good coffee beans. Front Street thought about it, and the most representative coffees are the more distinctive coffee beans from each major producing region. For this reason, Front Street has recommended 10 coffee beans from different producing countries. 1. Front Street Coffee (FrontSt [more…]

For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). As more and more people in China have developed the habit of drinking coffee, many friends have also begun to actively learn about coffee brewing, wanting to make a cup of coffee themselves. This article [more…]

Many friends have私信'd Front Street, asking us to introduce some representative good coffee beans. Front Street thought about it, and the most representative coffees are the more distinctive coffee beans from major producing regions. To that end, Front Street has recommended 10 coffee beans from different producing countries for everyone. 1. Front Street Jamaica Blue Mountain No. 1 Coffee Beans [more…]

Asian coffee production ranks second globally only to Central and South America, and its flavor profile is known for being mellow and deep. Its acidity is not as elegant as African beans, yet it carries notes of wood, herbs, spices, and earth. Mandheling is the quintessential representative of this style. Mandheling is mainly produced in Sumatra, Indonesia. Its name is a transliteration of the Mandailing people, and there is an interesting story behind it dating back to World War II. This article will systematically sort out the varietal origins of Mandheling, the characteristics of the Aceh Gayo Mountain producing region, and Indonesia's unique wet-hulling process. It will also focus on introducing three products sold by Front Street Coffee: Lintong Mandheling, Golden Mandheling, and Tiger Mandheling. At the same time, it will teach you how to identify authentic Golden Mandheling through PWN company certification certificates and burlap sack information, so you can avoid buying counterfeit products. [more…]

For a long time, many media outlets have been perpetuating the claim that there is no genuine Blue Mountain coffee in China, but in fact, this situation began to change in 2010. Blue Mountain coffee has a mellow taste and is a very standard cup of black coffee, and because it is produced in small quantities, it is called the king of coffee. At one point, it was quite difficult to buy domestically, which is true, and [more…]

There are two kinds of Blue Mountain coffee on the market, and it's easy to buy the wrong one by mistake. One is Blue Mountain flavor, which refers to beans roasted from coffee beans of other regions; these are labeled as Blue Mountain flavor coffee. The other kind, Blue Mountain coffee, refers to coffee produced in the Blue Mountain region of Jamaica, and when we refer to Blue Mountain coffee, we mean [more…]