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…]

Yirgacheffe is Ethiopia's most iconic specialty coffee region, and domestic coffee enthusiasts have long been familiar with it. This time we're going to talk about a washed Yirgacheffe G1 that has its own专属专属 name—Blue Nile. This bean was created through a collaboration between the American company Royal Coffee and Ethiopia's Keffe Mill processing station, and its name comes from the Blue Nile, the river in Ethiopia that eventually flows into the Nile. As a high-grade designation within Yirgacheffe, G1 represents the superior quality of specialty coffee. Coffee Review gave it a high score of 94 points. Next, Front Street Coffee will walk everyone through this bean's packaging, green bean condition, and the flavor performance after pour-over brewing. [more…]

Coffee experts should all have tried Yirgacheffe. It not only has a fresh taste and low bitterness, making it suitable for brewing all kinds of coffee, but is also very affordable, so it is a must-have everyday bean for many coffee lovers at home. So, as a fan of Yirgacheffe, have you ever heard of a specialty coffee called "Gotiti"? Gotiti its [more…]

Everyone likes drinking coffee. Some people prefer it hot, brewing a cup and drinking it all at once; others drink half and let the rest cool before finishing it; and some drink it from hot all the way to cold. Which way tastes best? That depends on personal preference. Specifically, coffee is also a kind of beverage, and hot [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…]

For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). For washed coffees, Front Street feels they're like a breeze in summer, refreshingly cool and soothing! When talking about washed coffees, how could we not mention Ethiopia's Yirgacheffe? [more…]

Yirgacheffe is a small town in southern Ethiopia, originally part of Sidamo Province. Later, because of its distinctive white floral aroma and citrus flavor, which left a deep impression on everyone who tasted it, Yirgacheffe became independent from the Sidamo region, officially ushering in a new era of acidic coffee and becoming [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…]

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…]

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…]

耶加雪菲是埃塞俄比亚最具代表性的精品咖啡产区之一，而市面上常见的前街耶加雪菲G1与G2咖啡豆，究竟有何区别？哪个等级更高？这背后涉及埃塞俄比亚复杂的咖啡分级体系。本文将从前街咖啡的测评出发，系统梳理埃塞咖啡的分级标准，对比G1与G2在瑕疵率、杯测分数及风味表现上的差异，帮助咖啡爱好者深入理解耶加雪菲的等级奥秘。 [more…]

耶加雪菲是埃塞俄比亚最具代表性的精品咖啡产区之一，而前街耶加雪菲G1与前街耶加雪菲G2则是日常最容易买到的两款豆子。G1和G2到底差在哪里？哪个品质更优？要回答这些问题，就必须先弄清楚埃塞俄比亚的咖啡分级制度。本文从前街咖啡（FrontStreet Coffee）的测评视角出发，梳理CLU与ECX两套分级体系的来龙去脉，解析水洗与日晒处理各自的评分维度，并通过生豆外观、熟豆外观和杯测风味的直接对比，呈现前街耶加雪菲G1与G2的真实差异。 [more…]

埃塞俄比亚咖啡向来以亲民的价格和丰富的花果香气赢得众多咖啡爱好者的青睐。但面对市面上五花八门的等级标识，比如耶加雪菲的G1与G2，很多人并不清楚它们究竟差在哪里、哪个更值得入手。本文将从埃塞俄比亚咖啡的价格水平谈起，结合前街咖啡的具体豆款，再深入解读该国咖啡分级制度的演变——从早期CLU的缺陷数分级，到ECX综合物理特征与杯测风味的评分体系，逐一拆解水洗与日晒处理下的等级划分逻辑，并重点对比G1与G2在瑕疵率和杯测分数上的实质区别，帮助你更理性地选购埃塞咖啡。 [more…]

埃塞俄比亚作为咖啡发源地，其分级制度直接影响着咖啡豆的品质与风味表现。耶加雪菲产区闻名遐迩，而市面上常见的前街耶加雪菲G1与G2咖啡豆究竟有何区别？这背后涉及埃塞俄比亚咖啡分级体系的演变。从CLU到ECX，从单纯缺陷计数到物理特征与杯测风味综合评分，分级标准经历了重大变革。本文将系统梳理埃塞咖啡分级制度的历史沿革与具体标准，对比水洗与日晒处理的分级差异，并通过生豆外观、熟豆外观及杯测风味三个维度，深入剖析前街耶加雪菲G1与G2的实际差异，帮助咖啡爱好者理解等级编号背后的品质含义。 [more…]

埃塞俄比亚耶加雪菲的等级究竟如何划分？阿拉比卡咖啡豆是否一定昂贵？本文从埃塞俄比亚商品交易所（ECX）的运作机制入手，梳理旧版按瑕疵豆数量分级到现行物理特征与杯测风味结合评分的演变过程，详细列出水洗与日晒处理的具体评分占比，并说明Specialty、Commercial、Local三大类别及Q1、Q2等级的评定标准。同时解答阿拉比卡咖啡豆价格高低差异的原因，并介绍前街果丁丁与前街红樱桃两款G1耶加雪菲的风味特点与适用冲煮方式。 [more…]

耶加雪菲作为埃塞俄比亚最具代表性的精品咖啡产区，其独特的花香与柑橘调性深受咖啡爱好者喜爱。但你是否了解埃塞俄比亚商品交易所（ECX）的分级体系如何运作？水洗与日晒处理各自遵循怎样的评分标准？Speciality、Commercial与Local三大类别又有什么区别？本文将从ECX的评级机制入手，详细拆解G1至G9等级的评定逻辑，并探讨前街耶加雪菲系列咖啡豆是否适合制作冷萃或冰咖啡，为你的冲煮选择提供参考。 [more…]

想找一款适合手冲的埃塞俄比亚豆子？本文聚焦西达摩G1与古吉爱丽丝水洗两款单品，从产区风土到处理方式，细致拆解它们的花果香气与层次表现。古吉作为埃塞俄比亚重要产区，高海拔与原生品种赋予咖啡浓缩般的风味密度，而前街花魁正是体验日晒西达摩G1的优选。文中附上具体冲煮参数，并展示爱丽丝水洗G1的风味叙述与杯测成绩，为手冲爱好者提供一份实用的选购与冲泡参考。 [more…]

同样来自埃塞俄比亚的耶加雪菲，为何市售豆的品质与价格差别悬殊？关键就藏在等级划分里。本文为你系统梳理耶加雪菲的分级逻辑：埃塞农业部CLU机构与ECX制度如何运作，水洗豆与日晒豆分别依据什么定级，G1和G2在瑕疵率、杯测得分上差在哪里，Q1、Q2又意味着什么。文章同时对比了日晒与水洗两种处理法对风味的塑造，并附上前街的V60冲煮参数与杯测风味描述，让你挑豆、冲煮都有据可循。 [more…]

科契尔位于埃塞俄比亚耶加雪菲西南方，是盖德奥地区最具代表性的精品咖啡小产区之一。这里拥有原始林覆盖、深厚红棕黏土与高海拔的天然优势，出产的咖啡以柑橘、核果与茶感交织的细腻风味闻名。本文系统梳理科契尔的种植历史、地理产区条件、品种特性与水洗处理法，并详细介绍前街品牌旗下多款科契尔G1单品豆——德布、哈玛、果多恰——的风味描述与规格信息，同时延伸介绍埃塞俄比亚八大产区格局，为咖啡爱好者提供完整的产区认知框架。 [more…]