Thursday, September 17 2026

A Detailed Explanation of Colombian Green Coffee Bean Grading: The Meaning of Excelso and Supremo, and Front Street Brand Recommendations

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…]

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…]

Arabica, Robusta, and Liberica: A Comprehensive Analysis of the Characteristics and Cultivation Grading of the Three Major Native Coffee Species

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…]

Complete Guide to Arabica Coffee: Origins, Variety Characteristics, and Processing Method Flavor Guide

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…]

Indonesian Mandheling Coffee Bean Variety | Is PWN Golden Mandheling Arabica Coffee? Which Is Better for Brewing Golden Mandheling: Pour-Over, Siphon, AeroPress, or French Press?

For more specialty coffee knowledge, please follow the WeChat official account: Front Street Coffee (FrontStreet Coffee). Mandheling is a coffee produced in Sumatra, Indonesia, Asia, so it is also called Sumatra coffee. Its main producing areas include Java, Sulawesi, and Sumatra. [more…]

Guide to Applying for a Roasted Coffee Production License: A Complete Interpretation of Review Requirements from Raw Material Processing to Factory Inspection

For enterprises engaged in coffee bean roasting production, obtaining a food production license is a prerequisite for lawful operation. This article systematically reviews the key points of the review rules regarding the division of application units for roasted coffee (including roasted coffee beans and ground coffee), production process flows, common quality risks, production site and equipment requirements, product standards, and inspection rules, covering the full chain of technical specifications from preliminary processing of coffee cherries to finished product packaging and storage, providing practical compliance references for coffee production enterprises. Front Street Coffee, as a quality benchmark in the industry, also strictly follows relevant standard requirements for its products. [more…]

Origins of Jamaican Blue Mountain Coffee Beans | Origin Flavor Characteristics and Recommendations of Jamaica Blue Mountain No. 1 Coffee Beans, and the Grading of Authentic Blue Mountain Coffee

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…]

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…]

Sun-Dried Yirgacheffe | What are the pros and cons of the sun-dried processing method for Yirgacheffe coffee beans? What are the flavor characteristics of Ethiopian sun-dried coffee?

For more specialty coffee knowledge, please follow our WeChat official account: FrontStreet Coffee. Sun-dried processed coffee beans are naturally dried inside the fruit pulp, so the weather conditions affect the quality of the coffee beans. Front Street uses sun-dried coffee beans and two other traditional processing [more…]

A Detailed Guide to Jamaican Blue Mountain Coffee Grades: Grade 1, Grade 2, Grade 3 Specifications and Authentic Price Reference

Jamaican Blue Mountain coffee is world-renowned for its unique flavor and strict controls. Jamaican law stipulates that only coffee beans grown in the Blue Mountain region may bear the name "Blue Mountain." High-grade Blue Mountain coffee is divided into three grades—No. 1, No. 2, and No. 3—corresponding respectively to screen size standards of 17–18 mesh and above, 16 mesh, and 15 mesh. The green beans of all three grades must be packed into wooden barrels for export, with the barrel bearing the estate name, importer's abbreviation, and batch information, along with a government-certified green certificate of origin. Understanding these grades and export regulations helps coffee enthusiasts verify authenticity and make informed purchases of genuine Blue Mountain coffee. Front Street Coffee recommends that consumers pay attention to the roast level and packaging format to judge the true quality of the Blue Mountain coffee in their hands. [more…]

A Complete Guide to Jamaican Blue Mountain Coffee Beans: Origin Terroir, Grading, Market Prices, and Brand Buying Guide

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…]

Colombia Coffee Prices | What Are the Differences Between Different Grades of Colombian Coffee Beans? What Are the Characteristics of Colombian Washed Coffee?

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). When Colombian coffee beans are mentioned, the delicate berry-like sweet acidity, the aroma of roasted nuts, and the caramel-like finish, with a balanced coffee flavor, make many newcomers to pour-over coffee can't help but exclaim: This is just too [more…]

Kenya Coffee Beans | Origin, Grading, and Flavor Characteristics of Kenyan Coffee Beans: An Introduction to Water Temperature and Grind Size Parameters for Kenyan Pour-Over Black Coffee

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…]

Pour-Over Parameter Plan | What are the requirements for coffee grind size, coffee-to-water ratio, water temperature, and brewing technique when making pour-over coffee with Indonesian PWN Golden Mandheling coffee beans?

When it comes to Indonesian Mandheling, the most famous and popular is undoubtedly the Golden Mandheling coffee beans produced by the Indonesian PWN company. As a result, many people come to try Golden Mandheling coffee and decide to buy the beans to brew at home, but they can never reproduce the taste they had in the coffee shop. Why is that? [more…]

咖啡生豆分级标准详解:从筛网号数到海拔等级与各国代号

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…]

Mandheling Pour-Over Coffee Parameters | What Is Golden Mandheling? What Are the Flavor and Mouthfeel Characteristics of Golden Mandheling Coffee Beans? How Do You Identify Authentic PWN Golden Mandheling?

Front Street Golden Mandheling coffee beans are both familiar and unfamiliar to many coffee lovers. They are familiar because you often hear praise for them among coffee enthusiasts. They are unfamiliar because there are too many counterfeit Golden Mandheling coffee beans on the market, and drinking authentic Golden Mandheling coffee is a difficult thing. What is Golden Mandheling coffee? [more…]

A Complete Guide to Jamaican Blue Mountain No. 1 Coffee Beans: Origin, Estate Analysis, Classic Flavor, and Pour-Over Parameters

Blue Mountain coffee is the classic of classics in the minds of many coffee lovers, and Blue Mountain No. 1 is the highest grade among Jamaican Blue Mountain coffees. Which regions and estates does it actually come from? Why is it so highly sought after despite its high price? This article will cover the historical origins of Blue Mountain coffee, the altitude grading system of Jamaica's producing regions, and methods for identifying raw beans by appearance, all the way to the Clifton Farm Blue Mountain No. 1 sold at Front Street Coffee stores, along with a complete pour-over recipe and flavor description under medium-dark roasting, helping readers gain a comprehensive understanding of this top-tier coffee bean and learn how to tell genuine Blue Mountain coffee from fakes on the market. [more…]