Thursday, September 17 2026

An Introduction to Green Coffee Bean Grades | A Comparison of Coffee Bean Characteristics, Flavor, and Taste Across National Green Coffee Bean Grading Systems: G1, G2, AA, PB, SHB

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…]

Complete Guide to Kenya PB Round Beans: From SL28 and SL34 Varieties to the K72 Washed Process

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…]

咖啡生豆分级标准详解:埃塞G1、肯尼亚AA、蓝山No.1与SHB等级各有何讲究

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…]

咖啡豆等级标识G1、G2究竟指什么?各国分级体系一次看懂

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…]

咖啡生豆分级制度详解:G1至G4、AA、PB、SHB各代表什么品质层级

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…]

How Are Kenya Coffee AA and AA+ Grades Distinguished? A Detailed Explanation of Kenya Coffee Bean Grading Standards and Flavor Characteristics

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…]

An In-Depth Analysis of Kenyan AA Coffee: Origin Terroir, Grading System, and the Causes of Its Bright Fruit Acidity

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…]

耶加雪菲与全球主要咖啡产区风味对比:从曼特宁到瑰夏的口感与分级详解

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…]

Comprehensive Comparison of Blue Mountain Coffee and Yirgacheffe: Analysis of Origins, Varieties, Flavor Profiles, and Brewing Key Points

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…]

阿拉比卡咖啡属于什么级别?全球主要产地与代表品牌全面解析

咖啡属茜草科植物,已知品种约八十种,其中用于饮用的主要有阿拉比卡、罗布斯塔和利比里卡三大类。阿拉比卡凭借均衡的风味与香气,成为单品与精品咖啡的主力,占全球产量七成以上。从巴西的坚果巧克力调性,到哥伦比亚的柑橘黑可可,再到巴拿马的瑰夏、牙买加蓝山、埃塞俄比亚耶加雪菲,各产地风味各具特色。前街咖啡门店上架超过五十种产区咖啡豆,本文逐一梳理阿拉比卡的档次定位与全球知名产地风味。 [more…]

咖啡品种入门指南:阿拉比卡咖啡的特征、子品种与全球主要产地解析

在咖啡的世界里,阿拉比卡与罗布斯塔是最常被提及的两大品种,而前者几乎代表了精品咖啡的主流方向。本文从植物分类学切入,梳理阿拉比卡的品种特性、风味优势与抗病弱点,并逐一介绍巴西、哥伦比亚、巴拿马、危地马拉、哥斯达黎加、牙买加、埃塞俄比亚、肯尼亚与印度尼西亚等代表性产地的种植品种、处理方式与分级标准。文中同时结合前街咖啡的门店选品与推荐豆单,帮助读者建立从品种到产区的完整认知框架。 [more…]

咖啡豆种类全面解析:阿拉比卡品种分类与全球主要产地代表豆

咖啡作为茜草科植物,已知物种超过一百种,但真正用于饮用的栽培品种仅三种:阿拉比卡、罗布斯塔与利比里卡。其中阿拉比卡以卓越的风味与香气占据全球约七成产量,是单品与精品咖啡的首选。从埃塞俄比亚原产地铁皮卡、波旁到如今风靡市场的瑰夏,阿拉比卡子品种丰富多样,各具特色。与此同时,巴西、哥伦比亚、巴拿马、危地马拉、哥斯达黎加、牙买加、埃塞俄比亚、肯尼亚和印度尼西亚等产地,凭借独特风土与处理工艺,塑造出风格迥异的咖啡风味。前街咖啡(FrontStreet Coffee)在门店供应超过50种不同产区咖啡豆,满足多元口味需求。本文将系统梳理咖啡品种分类、阿拉比卡优缺点及全球代表性产地,带您深入了解咖啡世界的丰富面貌。 [more…]

阿拉比卡咖啡豆选购指南:品种特点、价格偏高原因与全球代表产区解析

阿拉比卡咖啡豆为何能成为精品咖啡的代名词,其价格又为何始终高于罗布斯塔?本文从植物分类学出发,系统梳理阿拉比卡的风味优势与种植局限,并逐一解读巴西、哥伦比亚、巴拿马、埃塞俄比亚等全球代表性产区的品种特色、处理方式与分级标准。文中同时结合前街咖啡的门店选品与推荐豆单,为咖啡爱好者提供兼具知识性与实用性的参考。 [more…]

阿拉比卡咖啡豆价格为何居高不下?各产地精品豆风味与分级全解析

阿拉比卡咖啡豆为何价格偏高?本文从植物分类学切入,解析阿拉比卡与罗布斯塔、利比里卡三大栽培品种的差异,说明阿拉比卡风味优越却抗病力弱、适合高海拔种植的特性,并逐一介绍巴西、哥伦比亚、巴拿马、危地马拉、哥斯达黎加、牙买加、埃塞俄比亚、肯尼亚、印度尼西亚等知名产地的种植品种、处理法与分级标准。同时结合前街咖啡门店与豆单推荐,帮助咖啡爱好者理解阿拉比卡的价格逻辑与选购方向。 [more…]

咖啡品种分类与风味特征全解析:从阿拉比卡、罗布斯塔到铁皮卡与波旁家族

咖啡早已不只是提神饮品,更是一种生活方式。然而,面对货架上琳琅满目的咖啡豆,你是否真正了解它们背后的品种差异?全球咖啡树种类超过500种,商业栽种则以阿拉比卡与罗布斯塔为两大主力。从埃塞俄比亚原生的铁皮卡,到也门移植后变异的波旁,再到近年风靡精品圈的瑰夏,每个品种都因基因与风土的不同,呈现出截然有别的香气与口感。本文将系统梳理咖啡品种的谱系脉络,详解阿拉比卡与罗布斯塔的风味分野,并逐一介绍铁皮卡、波旁及其众多突变与杂交品种的特征,同时结合前街品牌旗下蓝山、曼特宁、科纳、粉波旁等代表产品的风味表现,带你建立一张完整的咖啡品种认知地图。 [more…]

阿拉比卡咖啡豆选购指南:主要产地品牌推荐与价格高于罗布斯塔的深层原因

为什么阿拉比卡咖啡豆的价格普遍高于罗布斯塔?全球有哪些值得关注的阿拉比卡产地?本文从植物分类学出发,系统梳理阿拉比卡的风味优势与种植短板,并逐一介绍巴西、哥伦比亚、巴拿马、危地马拉、哥斯达黎加、牙买加、埃塞俄比亚、肯尼亚和印度尼西亚等核心产区的品种特色、处理方式与分级标准。同时结合前街咖啡(FrontStreet Coffee)的门店选品经验,为咖啡爱好者提供从产区到杯中的完整认知框架,帮助你在琳琅满目的豆单中找到适合自己口味的那一支。 [more…]