Category: Coffee Knowledge
The Complete Guide to Making Cold Brew Coffee | Can Warm Water Extraction Shorten the Time? Optimal Parameters and Flavor Analysis
Cold brew coffee is beloved for its smooth and rich flavor, but traditional methods often require an immersion time of 6 to 12 hours. This article delves into the extraction principles of cold brew, explores whether using warm water can effectively shorten the brewing time, and shares tested parameters along with the impact of different temperatures on flavor — helping you master an efficient and delicious cold brew technique. [more…]
Iced americano without ice becomes lukewarm? Analyzing the temperature differences in iced beverages at coffee shops and DIY tips
Order an iced Americano without ice, but receive a room-temperature version — this is a common question among many coffee enthusiasts. Why is an iced Americano often served at room temperature, while an iced latte remains cold? This article delves into the logic behind how coffee shops prepare these drinks, explores how the temperature differences between water and milk affect the final product, and offers practical advice to help you achieve your ideal iced coffee taste at home. [more…]
Analysis of Pour Over Coffee Segment Water Pouring Techniques: How to Improve Extraction Uniformity and Flavor Layers
The charm of pour over coffee lies in its flexible adjustment of parameters to optimize flavor. Pulse pouring is a practical technique to enhance extraction stability. By controlling the rhythm and distribution of water flow, it can effectively improve the evenness of coffee extraction, reduce the impact of bypass water, and accentuate specific flavor profiles. This article will delve into the principles, applicable scenarios, and operational details of pulse pouring, helping you adjust your strategy based on the characteristics of your coffee beans. [more…]
What to do if the coffee bed is uneven in pour over? Avoid the Brazil nut effect impacting extraction quality
When brewing pour over coffee, it's common to encounter uneven distribution of coffee grounds in the filter bed. Many people's first reaction is to tap the filter to flatten it, aiming to ensure even extraction. However, improper tapping methods may trigger the "Brazil nut effect," which can negatively impact coffee flavor and extraction efficiency. This article takes an in-depth look at the correct way to level the coffee bed, teaching you how to avoid common mistakes and improve the quality and consistency of your pour over coffee. [more…]
Analysis of the Bloom Swell in Pour Over Coffee | Is the Lack of Expansion in the Coffee Bed a Bean Issue? The Impact of Freshness and Brewing Parameters
Many coffee enthusiasts notice during pour over brewing that the coffee bed doesn't always produce a noticeable bloom during the pre-infusion stage, leading them to wonder if it's related to the beans' quality or freshness. In reality, the size of the bloom is mainly related to the amount of carbon dioxide released and extraction parameters, rather than directly determining the coffee's flavor. This article delves into the key factors influencing the bloom during pre-infusion, including roast level, freshness, water temperature, grind size, and more, while also explaining why a larger bloom doesn't necessarily mean better flavor—helping you interpret the brewing process more scientifically. [more…]
Pour Over Coffee Pitfall Guide: Why Hot Pouring with Ice Is Not Recommended? A Complete Breakdown of Iced Pour Over Parameter Adjustments
Want to enjoy an iced pour over in summer but worried about flavor loss? Many people are used to brewing hot first and then adding ice to cool it down, but this method may throw off the coffee's concentration and significantly diminish its flavors. This article takes an in-depth look at the drawbacks of the hot brew plus ice approach and offers professional-level adjustments for iced pour over parameters—covering everything from grind size and coffee-to-water ratio to the proportion of ice—to teach you how to preserve full flavor with the correct method while still enjoying that refreshing coolness. [more…]
The Big Reveal: How Decaf Coffee Relates to Insomnia & Analysis of Caffeine Differences Between Pour Over & Americano
Do you often experience insomnia or palpitations after drinking coffee? It turns out this is closely related to caffeine content. This article delves into the differences in caffeine levels across various types of coffee — from Arabica and Robusta bean varieties, pour over and espresso brewing methods, to the processing techniques of decaffeinated coffee — helping you find the coffee option that suits you best so you can enjoy coffee flavor without the trouble of sleeplessness. [more…]
How to use a Moka pot? A semi-automatic espresso machine alternative? How is it different from espresso? Complete guide.
Many wonder if a moka pot can brew espresso as effectively as a professional espresso machine. This affordable pressurized coffee maker can indeed produce a highly concentrated coffee with a golden crema, but there are key differences compared to true espresso. This article delves into the brewing principles of the moka pot, compares it with semi-automatic coffee machines, and offers practical usage tips to help you better understand the potential and limitations of this classic brewing tool. [more…]
How to adjust the concentration of espresso? Key techniques for mastering extraction parameters and the coffee-to-water ratio
The concentration and flavor of an espresso shot are key to determining the quality of an espresso, but many home baristas often encounter issues where the extracted shot is too weak, lacks complexity, or even has a watery taste. This article delves into the core factors that influence the concentration of espresso, including the coffee-to-water ratio, extraction time, and grind size, and provides practical tips to help you effectively enhance the richness and flavor profile of your espresso without altering the grind size. [more…]
Common Issues in Coffee Latte Art | How to Rescue Poorly Made Milk Foam? Techniques for Adjusting Milk Foam on Semi-Automatic Espresso Machines
To craft a successful latte art coffee, delicate and stable milk foam is key. But in practice, you often encounter issues such as overly thick foam, excessively coarse texture, or separation—making it difficult to pour beautiful patterns. This article takes an in-depth look at how to adjust suboptimal milk foam through techniques like shaking, tapping the pitcher, pouring out excess, and pre-infusion, allowing you to salvage imperfect foam and still create stunning latte art designs. [more…]
How to adjust the grind size for espresso? ESPResso extraction flavors and three-step grind adjustment techniques
The flavor of espresso is easily affected by changes in climate, bean condition, and other factors, leading to inconsistent daily extraction profiles. Mastering the skill of adjusting grind size can effectively improve extraction issues and enhance the balance and complexity of the espresso. This article will teach you how to start with grind fineness, extraction time, and coffee-to-water ratio, identify problems through observation and tasting, and use the "Three-Adjustment Grinding Method" to quickly dial in the ideal shot—even beginners can master it with ease. [more…]
What to do when your pour over coffee gets cold? Analysis of flavor after reheating and precautions to note
Does the flavor of pour over coffee significantly decline after it cools down? Many coffee enthusiasts face this concern. This article delves into whether you can reheat cooled pour over coffee, how its flavor changes, and the key details to pay attention to when reheating, helping you better understand how to enjoy each cup of coffee. [more…]
Why is SOE coffee more expensive than blends? An analysis of the role and cost of single-origin beans in espresso
Have you ever been asked if you’d like to upgrade your Americano or latte to an SOE bean when ordering at a coffee shop? Why is it that, even though both are espresso-based drinks, SOE often comes with an extra charge? This article delves into the differences between SOE (Single Origin Espresso) and regular blend beans—from roasting profiles and flavor characteristics, to brewing challenges and cost structures—to help you understand the professional considerations behind this “premium espresso,” and explains why some shops may choose not to offer SOE options at all. [more…]
Starbucks Red Cup Day Sparks Nationwide Strike: The Labor Struggle Behind Union Employees’ Protest
Each year, Starbucks’ “Red Cup Day” is traditionally a major coffee event leading up to Thanksgiving. This year, however, it ignited a labor storm as over a thousand union employees across the United States went on an indefinite strike. Sixty-five stores were affected, with protests spreading across more than 40 cities. Employees are demanding better wages, working hours, and resolution of hundreds of allegations of unfair treatment. How will this strike, billed as the “largest in the company’s history,” impact the operations of the coffee giant? [more…]
Luckin Coffee’s new black tea latte sparks controversy over short-shot espresso; how should coffee lovers choose?
Luckin Coffee is set to launch the "Crazy Black Tea Latte" on November 24, but an internal staff video leak reveals that the drink still uses the controversial short-shot espresso as its base. This has sparked widespread consumer discussion, particularly regarding its overly weak coffee flavor. This article will delve into the characteristics of short-shot espresso, consumer feedback and real-world experiences, and provide purchasing advice and alternatives to help you make a more suitable coffee choice. [more…]
How does temperature change in pour over coffee affect flavor? Should you reheat it after it cools down?
Have you ever noticed that a cup of pour over coffee tastes significantly worse after cooling down, or is even hard to drink? This article analyzes the flavor changes of coffee at different temperatures from a professional perspective, delving into how temperature affects the perception of acidity, sweetness, bitterness, aroma dissipation, and oil oxidation. It also uses Sidamo Alo as an example to illustrate specific flavor profiles in high, medium, and low temperature ranges. Additionally, it provides scientifically sound reheating recommendations to help you adjust the ideal drinking temperature based on roast level, reducing waste while still enjoying your coffee. [more…]
What’s the difference between SOE and single-origin coffee? Understand everything from definitions, flavors to prices
Have you ever hesitated when ordering at a coffee shop, wondering whether to choose a blend or pay extra for an SOE? What exactly is an SOE? How is it related to single-origin coffee? This article will delve into the origins of SOE, how it differs from regular blends, explore why it tends to be more expensive, and analyze its flavor characteristics and extraction stability. It will also provide practical insights into why some cafes are hesitant to offer SOEs, giving you a comprehensive understanding of the pros and cons of this type of single-origin espresso. [more…]
Analysis of ChaBaDao’s Solid Mango Pomelo Sago: The New 19-Yuan Flavor Receives Mixed Reviews, Reason Behind Thinner Delivery Version Exposed
ChaBaDao recently launched a new product priced at 19 yuan called the “Solid Mango Pomelo Sago,” which combines features of both a beverage and a dessert, sparking discussions on social media. This new item has received praise from some consumers for its cost-performance ratio, but it has also sparked controversy due to discrepancies between its appearance, taste, and promotional descriptions. This article provides a detailed analysis of the product's composition, market feedback, and responses from staff regarding common concerns such as the product being thinner when delivered and the fruit not being ripe, helping readers fully understand the reality behind this viral dessert. [more…]
Luckin Coffee’s Countdown to Relisting on the NYSE Main Board: A Five-Year Comeback Behind 20,000 Stores
From financial fraud delisting to now surpassing 20,000 stores, Luckin Coffee has undergone five years of comprehensive restructuring, with its market value rebounding to $10.9 billion. This article provides an in-depth analysis of the latest progress in its plan to relist on the U.S. main board, explores the strategic significance of its New York store expansion, and reveals the potential move by major shareholder Centurium Capital to acquire the UK brand Costa—how it could bolster the global narrative and rebuild confidence in the capital markets. [more…]
Beginner’s Guide to Coffee Latte Art: Choose the Right Milk and Master Frothing Techniques – Create Beautiful Designs Even Without Experience
Want to add both visual and flavor enjoyment to your coffee? Latte art is not only a barista's specialty but also the key to elevating a cup of latte. This article will guide you through everything from milk selection and steaming to latte art techniques, revealing how to use the right milk and proper steaming methods. Even beginners can consistently produce fine, velvety microfoam and gradually draw simple yet beautiful patterns. Follow the steps to enjoy professional-level latte art at home. [more…]