Sunday, November 1 2026

How Does Pressure Influence Espresso Extraction? Analyzing Five Common Faults and the 9-Bar Standard

The extraction quality of espresso is closely tied to pressure, yet various deviations often occur in actual practice. This article starts with five common problems, analyzing one by one the causes behind phenomena such as the sharp acidity of dark-roasted beans, the absence of crema, no liquid output, splashing, and pressure failing to rise, and offers corresponding adjustment approaches. Among these, whether the pressure can be stably maintained above 9 bar directly determines whether the puck resistance is sufficient and whether the espresso reaches the ideal concentration. The article also combines specific beans such as Front Street. Golden Mandheling to explain the relationship between roast level and flavor performance, helping coffee enthusiasts find a balance among variables like grind size, dose, and yield, and extract a cup of espresso with balanced flavor and rich crema. [more…]

Common pour-over coffee beans: balancing budget and drinking frequency

Common pour-over coffee beans aren't something you can master just by memorizing a few names. For everyday bean buying, you need to consider how fast you'll drink them, how much to buy at once, and whether you'll mainly make black coffee or milk coffee at home. What's truly worth referencing is the sweet-and-sour balance on the palate, the body's thickness or thinness, and the aftertaste once it cools—then, combined with your brewing habits, your range of choices will [more…]

How to Identify Authentic Blue Mountain Coffee? Learn About These Four Common Imitations and a Four-Step Identification Method

Blue Mountain coffee is renowned worldwide for its balanced, full-bodied flavor, but its high price has also flooded the market with various counterfeit products. Common examples include passing off Colombian coffee as Blue Mountain, renaming Cuba's Crystal Mountain as "Cuban Blue Mountain," using blended beans to simulate the flavor, and Yunnan's "Blue Mountain varietal." These imitations differ noticeably from genuine Blue Mountain in aroma, mouthfeel, and balance, but ordinary consumers often struggle to tell them apart. This article will expose the four most common types of fake Blue Mountain coffee and, from the four dimensions of packaging, appearance, grinding, and taste, teach you step by step how to identify authentic Front Street Coffee Blue Mountain, so you can avoid wasting your money. [more…]

A Comprehensive Guide to 100% Arabica Coffee Beans: Variety Origins, Flavor Characteristics, and Common Representative Beans

We often hear the phrase "100% pure Arabica," but many people aren't clear on what it actually means. Arabica is actually the name of a coffee variety, not a country. It is currently the most widely cultivated and best-performing coffee variety in the world, with a caffeine content of only 0.8%-1.5%, and its output accounts for about 75% of the world's total coffee production. However, Arabica is delicate and frail, makes strict demands on the growing environment, and is prone to coffee leaf rust. Common specialty coffee beans such as Typica, Bourbon, Caturra, and Catuai are in fact all sub-varieties derived from Arabica. This article will systematically sort out the definition of Arabica, the origin of its name, and several of the most common derivative varieties on the market, to help coffee lovers gain a clearer understanding of the coffee beans they drink every day. [more…]

Why Does the Portafilter on an Espresso Machine Blow Off? Common Causes of Uncontrolled Extraction Pressure and How to Prevent Them

Front Street Coffee recently noticed that many coffee enthusiasts, when operating espresso machines, make some improper movements that cause the portafilter to suddenly fly out of the group head during or even after extraction, creating a scene that is both embarrassing and dangerous. This kind of machine blowout can, at best, dirty the equipment, and at worst, injure someone. What exactly causes the portafilter to be "blown" out? In this article, Front Street Coffee sorts out three common scenarios—when removing the portafilter, during espresso extraction, and when cleaning the coffee machine—analyzing one by one the causes such as improper pressure release, grinding too fine, overdosing, and not locking the portafilter tightly, and offering corresponding prevention and operating suggestions to help you enjoy espresso safely and steadily. [more…]

World Coffee Research releases Arabica SNP genetic fingerprint database covering 23 common varieties.

The World Coffee Research (WCR), in collaboration with the Swedish laboratory Intertek Agritech, collected samples of common Arabica varieties in Latin America and Africa, successfully constructing a reference database based on SNP fingerprints. This database currently covers 23 varieties and is open to the public free of charge, aiming to address the long-standing issue of variety misidentification in the coffee industry caused by the high cost of genetic testing. Through simple leaf collection and genotyping, producers can verify the genetic purity of coffee trees at low cost, avoiding economic losses caused by variety mismatches. WCR plans to continue expanding the number of varieties in the future, promoting variety identification and protection in the coffee supply chain. [more…]

Overview of Common Varieties in Indonesian Coffee Regions: From S795 to a Analysis of Distinctive Flavors

Indonesian coffee is known for its unique flavors and growing conditions, and its common variety composition also differs from other producing regions. This article focuses on the coffee varieties widely planted in Indonesia, with emphasis on the origin, cultivation advantages, hybridization background, and flavor characteristics of S795 (locally called Jember), and also mentions major producing regions such as Bali and Sulawesi. By sorting through this background information, it helps coffee lovers understand the varietal logic of Indonesian coffee, while also retaining related recommendations and product information from the Front Street brand. [more…]

A Complete Guide to the Espresso Family: From Espresso Base to Specialty Drinks, an Overview of Common Types and Preparation Methods

Walking into any café, espresso is almost always the star of the menu. Many people's first impression of it stops at the intense bitterness of espresso, but in fact, the flavored drinks derived from espresso as a base are rich and varied, and there is always a cup to suit your taste. This article will systematically sort out the common types of Italian coffee, from espresso, Americano, latte, cappuccino to mocha, macchiato, caramel macchiato, and Dirty coffee, introducing one by one their flavor characteristics, ingredient ratios, and preparation methods, while also sharing Front Street Coffee's practical experience in bean selection and serving, to help coffee lovers understand the world of Italian coffee more comprehensively. [more…]

Siphon Guide: From Principles to Step-by-Step Operation, Avoiding Common Mistakes and the Risk of a Shattered Pot

Although the siphon is a bit fiddly to use and clean, it remains an indispensable piece of equipment in the minds of many coffee enthusiasts. It offers a one-of-a-kind visual experience, and the coffee it brews has a style all its own. In this article, Front Street Coffee will walk you through how a siphon works, clear up common misconceptions, and lay out the correct operating steps, so you can make a cup of siphon coffee safely and smoothly. As long as you get to know its quirks in advance, the process really isn't difficult—it can even be quite fun. [more…]

During Jay Chou's Nanjing concert, the "Love Before the Common Era" themed coffee shop opened simultaneously at Xinjiekou Golden Eagle.

Jay Chou's 2024 Carnival concert tour Nanjing stop will be held from September 26 to 29 at Nanjing Olympic Sports Center Stadium, with four consecutive days of performances expected to attract 120,000 spectators. At the same time, a Jay Chou-themed coffee shop called "Love in Coffee" has officially opened at Nanjing Xinjiekou Golden Eagle, making its debut alongside the concert. This coffee shop focuses on estate-grade coffee beans and Michelin three-star desserts, with an interior design infused with the poetic fantasy of "Love in Coffee," where greenery and stone intertwine, and mirrored light and shadow create a dreamy atmosphere. Many product names are taken from Jay Chou's classic songs, allowing fans to taste "lyric" drinks while listening to their idol's music. The first Beijing Sanlitun store had previously attracted a large number of fans to check in, and the operator, Star Plus, has close ties with Jay Chou. This article takes you through the features, prices, and fan experience of this celebrity coffee shop. [more…]

Front Street Coffee takes you through an inventory: English names of common coffee varieties and a translation comparison of proper terms.

After coffee was introduced from overseas, it developed into a rich and diverse range of categories, and different countries and regions have given them distinctive English names. For coffee lovers, mastering the English expressions for these common coffees not only helps you order with greater ease, but also deepens your understanding of coffee culture. Front Street Coffee has compiled this time a list of the most frequently seen coffee categories on the market and their English equivalents, covering Italian classics, iced drink series, flavored specialty drinks, and regional specialty coffees, with Chinese-English comparisons listed one by one for easy reference and memorization. Whether you are a beginner just starting out or a veteran hoping to expand your knowledge base, this list is worth saving. For more specialty coffee knowledge, please follow Front Street Coffee (Frontsteet Coffee). [more…]

A Complete Analysis of the Geisha Coffee Variety: The Comeback Journey from Ethiopia to Panama and an Overview of Common Cultivated Varieties

Geisha, a coffee variety whose name sounds like the Japanese word for "entertainer," set out from the Geisha Mountains of southwestern Ethiopia, passed through Kenya, Tanzania, and Costa Rica, and finally made a spectacular debut in Panama. Over more than seventy years, it completed a comeback from obscurity to competition champion, winning first prize in the Panama Boquete Best of Panama cupping competition for three consecutive years from 2005 to 2007, and in 2007 it set a record for competition coffee value at $130 per pound. This article will comprehensively trace Geisha's legendary journey and systematically review common coffee cultivars—Typica, Bourbon, Caturra, Catuai, Pacamara, and others—to introduce you to the rich landscape of Arabica's genetic treasure trove. Front Street Coffee will also recommend Geisha products worth paying attention to in this article. [more…]

Espresso Standard Volume Explained: Common Extraction Issues and Key Operating Points for Correct Practice

As the base for flavored coffee drinks such as mocha, cappuccino, and latte, the extraction standards for espresso have always been a topic of interest among coffee enthusiasts. Exactly how many milliliters should a qualified espresso be? And how should phenomena such as oil clumping, tiger striping, and single-sided extraction during the brewing process be understood and addressed? Starting from Front Street Coffee's output standards, this article systematically sorts out the definition of espresso, international technical specifications, and common issues from dose, water temperature, and pressure to grinding, tamping, and other stages, helping readers build a clear cognitive framework for extraction and recreate espresso with rich crema and balanced flavor at home. [more…]

Detailed Explanation of Technical Requirements, Material Selection, and Common Forms of Coffee Packaging: From Oxidation Prevention to Vacuum Gas-Flush Packaging

As a globally popular beverage, coffee packaging must not only prevent the escape of aroma and moisture absorption, but also address oxidation, odor adsorption, and quality deterioration caused by high temperatures. This article focuses on the packaging needs of regular coffee and instant coffee, systematically outlining key technical requirements such as oxidation prevention, moisture resistance, gas barrier properties, and high-temperature protection, and introduces current mainstream vacuum packaging and gas-flushing packaging processes. In terms of material selection, bags, bag-in-box, metal cans, and glass jars each have corresponding composite structure solutions, while instant coffee mostly uses paper/aluminum foil/polyethylene flexible packaging. The article concludes with a summary of common packaging forms such as bags, cans, and boxes, suitable for reference by coffee enthusiasts and industry professionals. [more…]

A Complete Collection of Coffee Names in Chinese and English: From Espresso to Iced Americano, Master Common Coffee Expressions in One Article

Walking into a coffee shop, do you often feel confused by the dazzling array of coffee names on the menu? Espresso, Cappuccino, CafeLatte, Americano... these seemingly familiar words—what coffee flavors do they actually correspond to? This article systematically compiles the Chinese and English names of common types of coffee, covering multiple categories such as Italian classics, French drip, iced coffee series, flavored cappuccino, Americano variations, single-origin coffees, and specialty blended coffees, totaling dozens of Chinese-English coffee comparisons. Whether you are a coffee enthusiast just starting out or a seasoned drinker looking to expand your knowledge, this list can help you quickly build a complete cognitive framework of coffee names. The article also specially includes product recommendations from Front Street Coffee, making it convenient for you, after learning the names, to find the corresponding good beans and experience them yourself. [more…]

Espresso Extraction Guide: A Complete Analysis of Standard Yield, Parameter Settings, and Common Issues

Espresso is the soul base of fancy coffee drinks like mocha, cappuccino, and latte, but exactly how many milliliters should a proper shot of espresso be? And what parameter standards should be followed during extraction? In this article, Front Street Coffee will systematically sort out the definition and technical specifications of espresso, analyze the reasons behind the evolution of measurement from milliliters to grams, and provide cause analysis and solutions for common phenomena such as under-extraction, over-extraction, uneven flow, clumped crema, and tiger-striped crema. At the same time, we will also share how to choose beans suitable for making espresso, helping coffee lovers replicate coffee-shop-level rich flavor at home. [more…]

Analysis of Flavor Characteristics of Common Coffee Bean Varieties: Taste Differences from Brazil Santos to Blue Mountain, Hawaii, and Mandheling

Faced with a dazzling array of coffee beans, different origins and varieties each have their own strengths in acidity, bitterness, aroma, and body. This article systematically sorts out the flavor characteristics and suitable roasting methods of common coffee beans such as Brazil Santos, Colombia Supremo, Blue Mountain, Hawaii Kona, and Mandheling, helping coffee lovers quickly build an understanding of taste. At the same time, the article also organizes Front Street Coffee's recommended approaches and product references for some bean varieties, making it easy for you to choose single-origin or blended coffee according to your personal preferences, and find the cup that suits you best. [more…]

A Complete Guide to the Espresso Family: Ratios, Flavors, and Key Production Points of Espresso Bases and Common Varieties

Italian coffee is far more than a cup of bitter espresso. Starting from Espresso as the core base, adding water, milk, milk foam, chocolate, or caramel gives rise to a rich variety of drinks such as Americano, Latte, Cappuccino, Mocha, Macchiato, Caramel Macchiato, and Dirty. Understanding the ingredient composition, classic ratios, and flavor characteristics of each Italian coffee is the key to finding one that suits your taste. This article takes espresso as its starting point, systematically sorting out the names, ingredient proportions, and preparation details of common Italian coffee varieties found in cafés, and shares Front Street Coffee's specific approach to each drink, helping coffee lovers gain a clearer understanding of the large family of Italian coffee. [more…]

Is Blue Mountain Coffee an Arabica? A Comprehensive Analysis of Arabica Flavor Characteristics and Common Derivative Varieties

Arabica is the most central variety in today's specialty coffee world, and Blue Mountain coffee also belongs to this broad category. This article will systematically introduce the basic knowledge of Arabica coffee beans from the perspectives of variety origin, flavor characteristics, and growing conditions, and will also sort through the features and representative products of common derivative varieties such as Typica, Bourbon, Caturra, and Catuai one by one. At the same time, combined with Front Street Coffee's brand recommendations, it provides coffee lovers with a complete guide from variety awareness to purchasing reference, helping you more clearly understand the rich diversity within the Arabica system. [more…]

Coffee Floral Aroma Tasting Guide: A Comprehensive Analysis from Aroma Sources to Three Common Floral Types

Many coffee enthusiasts feel puzzled when tasting coffee with floral notes—why can others detect jasmine and rose scents, while you can only perceive fruity flavors? In fact, capturing the floral notes in coffee is not a talent; it requires understanding the source of the aromas and mastering the correct tasting methods. The floral notes in coffee come from the combination of various compounds such as terpenes, alcohols, and aldehydes, which also exist in real flowers and trigger our memories and associations with fresh blooms through olfactory stimulation. This article, drawing on Front Street's tasting experience, systematically explains how to enhance perception by breaking down floral characteristics, and provides a detailed introduction to three common types of floral notes in coffee—light floral, subtle floral, and dense floral—along with corresponding Front Street bean list recommendations, to help you more easily detect the floral notes in coffee. [more…]