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…]

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…]

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…]

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…]

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…]

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…]

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…]

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…]

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…]

Coffee, tea, and cocoa are together celebrated as the world's three major beverages. The coffee tree is an evergreen small tree belonging to the Rubiaceae family. The coffee we drink daily is made by extracting the beans from the fruit of the coffee tree, roasting them appropriately, and then brewing them with various devices. There are many popular coffee varieties on the market, each with its own distinctive flavor. This article will systematically cover classic single-origin coffees such as Blue Mountain, Cuba Crystal Mountain, Colombia Supremo, Brazil Santos, Mandheling, Mocha, Hawaii Kona, Java, Guatemala, and Kilimanjaro, as well as flavored preparations like milk coffee, Viennese iced coffee, and iced latte, along with their suitable roast levels and taste characteristics, making it easy for coffee lovers to choose according to their preferences. Front Street Coffee will also provide you with a stable supply of beans and roasting recommendations. [more…]

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…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). Experienced coffee enthusiasts know that the coffee beans used in specialty coffee are all Arabica variety coffee beans, which have a lower caffeine content than Robusta variety coffee beans, and therefore perform in coffee flavor cupping [more…]

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…]

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…]

For more specialty coffee knowledge, please follow our WeChat official account: Front Street Coffee (FrontStreet Coffee). In modern society, coffee is not only used to stay alert, but more so as a way of life. Decaf coffee has begun to appear on the market to satisfy those who have trouble sleeping due to caffeine intake or [more…]

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…]

For more specialty coffee knowledge, please follow our WeChat public account: Front Street Coffee (FrontStreet Coffee). In modern society, coffee is not only used to stay awake, but more of a lifestyle. Decaf coffee has begun to appear on the market to satisfy those who have trouble sleeping due to caffeine intake or [more…]

Coffee belongs to the Rubiaceae family, with over a hundred known species, but commercial cultivation is dominated by three major types: Arabica, Robusta, and Liberica. Among them, Arabica, with its outstanding aroma and flavor, accounts for over seventy percent of global production and is the core raw material for single-origin and specialty coffee. This article will systematically review the varietal characteristics, advantages and disadvantages, and sub-varieties of Arabica, and introduce one by one the cultivated varieties, processing methods, grading standards, and flavor profiles of representative producing countries such as Brazil, Colombia, Panama, Guatemala, Costa Rica, Jamaica, Ethiopia, Kenya, and Indonesia. It will also incorporate Front Street Coffee's sourcing experience and recommendations to help coffee enthusiasts build a complete framework for understanding origins. [more…]