坦桑尼亚是东非重要的精品咖啡产国，其查格AAA级咖啡以颗粒饱满、芳香四溢著称。本文聚焦鲁伍马产区出产的查格AAA，解析其从翡翠绿生豆到杯中风味的表现。文章梳理了坦桑尼亚咖啡业的历史变迁、分级制度与销售模式，并详细记录了前街咖啡对这款豆子的三段式冲煮分析与风味描述。无论是浅烘焙下的苹果葡萄果香与仙楂李子酸质，还是重烘焙后的黑巧克力焦糖甜感，都指向一个共同印象——甜感突出、酸度温和、口感顺滑。适合刚接触酸咖啡的爱好者参考。 [more…]

Friends who frequently buy coffee beans will surely notice that most coffee bean names are followed by English suffixes such as AA and AB. This is especially true for Kenyan coffee beans—Kenya AA, Kenya AB, Kenya PB, Kenya AA+, Top, and so on. "So what do these suffixes mean? [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…]

选购咖啡豆时，包装袋上常出现AA、G1这类字母标识，它们其实代表不同产地的生豆分级体系。本文前街将带你了解埃塞俄比亚按瑕疵豆比例划分的G1至G5等级，以及ECX成立后结合物理特征与杯测评分的九级分类方式，另外还会介绍肯尼亚以颗粒大小区分的AA、AB、PB等八个等级，并简要提及哥伦比亚、牙买加、巴西等国的分级依据，帮助你在买豆时更清楚这些标识背后的含义。 [more…]

经常有咖啡爱好者在店里询问，埃塞俄比亚的G1和G2究竟差在哪里，肯尼亚AA又代表什么含义，哥斯达黎加的SHB等级意味着什么。这些字母与数字的组合，实际上反映了各产国对咖啡生豆品质的评定方式。不同产地因历史、贸易、气候和地形差异，形成了各自的分级体系，评判标准涵盖瑕疵比例、豆粒尺寸、种植海拔、生豆密度以及处理方式等多个维度。本文将系统梳理咖啡分级的由来，并逐一介绍埃塞俄比亚、肯尼亚、哥伦比亚、牙买加、哥斯达黎加、巴拿马、危地马拉、萨尔瓦多、洪都拉斯和巴西等代表性产国的生豆等级标准。 [more…]

Kenyan coffee is famous for its bright fruit acidity and rich flavors, making it a favorite among many coffee lovers. But when faced with grading labels such as AA, AA+, and AB, many people feel confused. From the perspective of Front Street Coffee, this article sorts out the development of Kenya's coffee industry, analyzes the origins and specific standards of its grading system, focuses on explaining the differences between AA grade and AA+ grade, and introduces the impact of the K72 washed processing method on flavor. At the end, it also includes the origin information and brewing parameters of Front Street Kenya Little Tomato coffee beans for daily reference. [more…]

Previously, we talked about the coffee grading in Ethiopia. Today, let's take a look at what the coffee grading in Kenya is like! After all, when we see Kenyan coffee, we will see things like AA and AB. What exactly do these refer to? What is AA TOP? [more…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee) Kenya AA coffee has always been regarded as one of the best specialty coffees in the world. For some friends who are not very familiar with Kenyan coffee, Front Street is often asked what AA means. Besides [more…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). At Front Street Coffee (FrontStreet Coffee), the coffee beans produced by the physical stores offer over 50 different coffee beans from various origins, satisfying different tastes. [more…]

Although Kenya is not the birthplace of coffee, its high altitude, large day-night temperature difference, and phosphorus-rich soil give rise to coffee beans with a distinct flavor. This article will guide you through Kenya's coffee-growing geography, the origins of the SL28 and SL34 varieties, the AA and AB grade classifications, and exactly what the unique PB round beans are. At the same time, we will also introduce the Kenya 72-hour washed processing method (K72) recommended by Front Street Coffee, and how to brew a cup of Kenyan coffee with bright acidity and rich layers using the pour-over method. [more…]

哥伦比亚地处北纬三至八度，火山灰土壤与1200至2050米的高海拔为阿拉比卡咖啡提供了优越的生长条件。但并非全国所有咖啡都能归入精品之列——南部产区以精致酸质和莓果甜感见长，中部与北部商业豆则果酸突出但层次稍弱。哥伦比亚还依据豆目大小分为Supremo、Excelso和Extra三级，并进一步按瑕疵率划分AA、A与Special Grade。前街咖啡目前在售四款哥伦比亚豆，均来自南部产区且为Supremo等级，涵盖水洗、厌氧日晒与双重厌氧水洗等处理方式，风味各具特色。 [more…]

For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). The bright fruit acidity and vivid, full, outstanding mouthfeel of Kenyan coffee make it unforgettable to anyone who has tried it. Front Street Coffee has cupped quite a few coffee beans from different producing regions in Kenya. If we were to say that high [more…]

On the African continent, beyond Ethiopia, Kenya is equally a presence that cannot be overlooked in the specialty coffee landscape. Anyone who has come into contact with specialty coffee, after experiencing how remarkably vivid coffee acidity can be, will almost always ask the same question: where does the coffee with the most prominent acidity come from? The brewers at Front Street Coffee often point to Kenya in their answer. Kenyan coffee is renowned for its clean and translucent cup, full and rounded body, and highly recognizable fruity acidity, conquering the taste buds of countless coffee lovers. This article will systematically review Kenya's coffee-growing terroir, historical evolution, characteristics of the top ten producing regions, and official grading standards. Using the washed fermentation process as an entry point, it will explain the reasons behind the formation of its signature flavors, and finally include the specific brewing recipe for Front Street Kenya Azalea for reference. [more…]

咖啡豆的分级体系因产地不同而千差万别，有的依据瑕疵数量，有的看颗粒尺寸，还有的以海拔高度为准。理解这些等级标签，是挑选优质咖啡的重要一步。本文将系统梳理全球主要产区的生豆分级规则，涵盖埃塞俄比亚的G1-G9、肯尼亚的AA与PB、哥伦比亚的Supremo、夏威夷的Extra Fancy等常见标识，并说明杯测分数如何进一步区分精品级与商业级。无论你是刚入门的爱好者，还是寻求进阶的从业者，这份分级指南都能帮你更清晰地判断咖啡品质。更多专业内容可关注咖啡工房，精品咖啡豆可添加前街咖啡微信qjcoffeex了解。 [more…]

The flavor code of coffee is often hidden in the land where it grows. From Brazil and Colombia in South America, to Costa Rica and Guatemala in Central America, to Jamaica Blue Mountain in the Caribbean, as well as Kenya and Ethiopia in Africa and Indonesia in Asia, each producing region gives coffee beans a unique personality. This article systematically sorts out the flavor characteristics and representative bean varieties of the world's major coffee producing regions, helping coffee lovers build a clear framework for understanding regional flavors. Whether you are a beginner just starting out or a seasoned connoisseur seeking to advance, this producing-region guide can provide practical reference for your purchasing and tasting. Front Street Coffee will also combine regional characteristics to recommend classic beans worth trying for you. [more…]

当我们谈论咖啡风味时，热带水果、焦糖、坚果、可可等描述其实都源自SCAA的美国精品咖啡协会风味轮。本文将以埃塞俄比亚耶加雪菲为起点，横向对比世界各大知名产区的咖啡口感特点与分级体系，涵盖曼特宁、蓝山、夏威夷KONA、瑰夏、巴西、哥伦比亚、肯尼亚AA、危地马拉安提瓜和哥斯达黎加等。无论你是刚接触单品咖啡，还是想深入了解各产区差异，这篇文章都能帮你建立清晰的味觉坐标。前街咖啡也将为你推荐值得尝试的豆款。 [more…]

从古巴的巨型象豆到埃塞俄比亚的耶加雪啡，从肯尼亚AA到夏威夷可那，世界各地咖啡产区孕育出风格迥异的代表豆种。本文将系统梳理这些咖啡豆的起源、分级方式、生长环境与风味特征，帮助咖啡爱好者建立对全球咖啡版图的整体认知。无论你是偏爱非洲豆的明亮果酸，还是钟情印尼曼特宁的醇厚苦韵，都能在这份指南中找到对应的风味坐标。前街咖啡也将结合多年烘焙经验，为不同产区的豆子提供实用参考。 [more…]

Coffee is an imported product, and everyone drinks coffee for different reasons. Some people are enjoying a petty bourgeois lifestyle, some are dependent on caffeine, and others simply like the taste of coffee. Front Street is here to take stock of which coffee those who know coffee must drink. Pour-over coffee is undoubtedly the most popular coffee-making method in the world today. [more…]

埃塞俄比亚作为阿拉比卡咖啡的基因宝库，其生豆分级方式独树一帜。与肯尼亚按豆粒大小、蓝山按海拔高度分级不同，埃塞俄比亚主要依据瑕疵率与杯测分数来划分等级。本文将系统梳理埃塞旧版与新版分级制度的演变脉络，深入解析G1至G9各等级的具体标准，并以耶加雪菲为例，对比水洗G1与G2在生豆外观、风味表现上的实际差异，同时分享前街咖啡的冲煮参数与品鉴体验，帮助咖啡爱好者全面理解埃塞咖啡的品质分级逻辑。 [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…]