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Why Espresso Machines Use 9 Bar Pressure to Extract Coffee
When FrontStreet Coffee shares knowledge about extracting espresso, we often discuss the extraction relationship between dose, ratio, grind size, and time. Once you master these 4 parameters, you can skillfully operate an espresso machine. However, there's another parameter that's often glossed over but is actually the most critical to espresso extraction
2025-07-30 espresso machine coffee extraction 9 bar pressure espresso brewing -
Why is Espresso Extraction Pressure 9 Bar? How Does It Relate to Extraction Parameters and How to Adjust?
FrontStreet Coffee often says that once we understand the relationship between espresso extraction parameters, a delicious espresso is practically effortless (slight exaggeration). These extraction parameters include grind size, dose amount, brew ratio, and extraction time. But did you know? There's actually another parameter that's quite important as well
2024-01-30 espresso extraction pressure 9 bar coffee brewing espresso parameters -
What is the concept of 9 bar in an espresso machine? How much pressure should be applied when tamping coffee grounds for espresso?
FrontStreet Coffee shared in the article 'The Importance of Distribution and Tamping' that in the preparation steps before espresso extraction, whether the coffee grounds are evenly distributed in the portafilter and whether force is applied evenly during tamping will affect the extraction and influence the taste of espresso. However, since it didn't mention the amount of force that should be used for tamping, many people
2024-11-09 espresso machine 9 bar tamping pressure coffee extraction espresso preparation FrontStreet Coffee -
Why Use 9 Bar for Espresso? How Does Pressure Affect Espresso?
Professional coffee knowledge exchange For more coffee bean information Please follow Coffee Workshop (WeChat public account cafe_style) The key to making espresso lies in pressure, and the crema, volume, and flavor of espresso all come from the effects of pressure. But why is pressure so important? How does it affect the espresso formula? Why is nine atmospheric pressure the most commonly recommended brewing pressure setting
2019-06-11 why espresso use 9bar pressure concentrated -
How to Adjust Unstable Espresso Machine Extraction Pressure - Espresso Machine Coffee Making Tips
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). An espresso machine is a device used to make espresso, as well as specialty coffees like lattes that combine espresso with milk. On the market, there are also semi-automatic espresso
2021-11-14 espresso machine pressure how much normal extraction insufficient pressure what causes -
What is the Main Reason and Purpose of Coffee Blooming? How is Espresso "Blooming" Done?
The bloom during pour-over coffee brewing is a crucial step to release carbon dioxide from the coffee grounds, allowing subsequent water pours to better extract aromatic compounds. If this step is omitted, it will introduce many unstable factors to the subsequent extraction. In contrast, espresso extraction is relatively "forceful," directly utilizing
2024-01-27 coffee blooming espresso extraction carbon dioxide release pour over coffee -
Characteristics and Taste Overview of Espresso - Detailed Steps and Process of Making Italian Coffee
Professional barista exchange please follow Coffee Workshop (WeChat official account cafe_style) In the early 20th century, after Italian engineers invented the steam espresso machine, it went through several evolutions and finally established the almost unshakable position of espresso in today's coffee world, from Espresso to Ristretto
2025-03-08 Italian espresso coffee Espresso overview preparation process detailed -
What is Americano, the Unassuming Black Coffee? Do You Really Understand Americano Coffee?
For professional coffee knowledge and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). Compared to lattes, Americano coffee (Americano, Long Black, Lungo) tends to be somewhat unappreciated. A cup of espresso...
2025-06-21 unassuming Americano coffee what is it truly understand -
A Brief Analysis of Coffee Crema: What It Is, Its Effects on the Body, and Reasons for Inadequate Extraction
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). What is Crema? Crema is a layer of coffee-colored foam that floats on top of coffee, with rich taste and aroma. Simply put, during the brewing process, high temperature and high pressure cause air and elements in coffee to
2025-06-11 Analysis Coffee Crema What it is Body Effects Extraction Insufficient Causes Professional -
The Differences Between Espresso and Black Coffee: Flavor Profiles and Characteristics Is Espresso Considered Black Coffee?
Authentic espresso, with its standard extraction process, is made by forcing near-boiling water (approximately 92-94°C) at high pressure (about 9 bar) through finely ground, evenly tamped coffee for 20-30 seconds, producing approximately 30ml of rich coffee
2022-11-28 espresso black coffee coffee differences espresso extraction coffee brewing methods -
How to Make Rich and Long-lasting Crema Like Espresso with a Moka Pot?
FrontStreet Coffee has many friends who are loyal enthusiasts of espresso. Compared to the light and fresh taste of pour-over single-origin coffee, they prefer coffee that is deep and rich, so they have long included coffee machines on their shopping lists! However, semi-automatic coffee machines are too expensive. After some research, they chose cost-effective alternatives.
2023-10-26 Moka Pot Espresso Crema Coffee Brewing Coffee Tips -
Can You Judge Espresso Quality by Its Crema? What Exactly is Espresso Crema?
You've probably heard people say, 'You can tell if espresso is good just by looking at its crema. The best espresso has fine, rich, golden crema.' But can you really judge espresso quality by the appearance of its crema? To determine whether this method works, we just need to present you with two questions.
2025-02-15 espresso crema coffee quality espresso assessment coffee brewing -
Panama Geisha Coffee Pour-Over Techniques | Panama Hand-Brewed Coffee Flavor and Taste Profile
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). FrontStreet Coffee's Panama Green Label Geisha Coffee Pour-Over Introduction: Panama is a Central American country, bordering Costa Rica to the west and Colombia to the east. Panama is located at 9 degrees north latitude, at the convergence point of the central mountain range
2025-07-03 Panama Geisha coffee pour-over techniques flavor taste introduction professional -
How to Drink Espresso Coffee Why a Glass of Water is Served with Espresso
Professional coffee knowledge exchange For more coffee bean information please follow Coffee Workshop (WeChat public account cafe_style) Coffee enthusiasts have carefully examined coffee bean packaging which indicates origins from major coffee producing countries like Brazil Colombia Guatemala Italy which is not a coffee bean producing region
2021-12-27 espresso coffee drink why water professional knowledge exchange -
Espresso Tamping Techniques: How Much Pressure to Apply with Coffee Distribution Tools
A video tutorial on coffee tamping techniques - the appropriate pressure for coffee distribution tools can be determined by observing the espresso extraction process. If coffee flows too quickly, completing 30cc in less than 20 seconds, then the tamping pressure is likely insufficient (assuming other variables have been properly addressed)
2025-07-30 coffee tamping techniques video tutorial distribution tool usage pressure -
How Tightly Should Coffee Grounds Be Tamped When Making Coffee-What Happens if Coffee Grounds Are Tamped Too Tightly
How Tightly Should Coffee Grounds Be Tamped When Making Coffee-What Happens if Coffee Grounds Are Tamped Too Tightly? Grind settings are just reference points - different brands have different grind settings, and even grinders of the same brand and model don't perform identically at the same setting. It's better to understand this way: grind settings merely indicate which direction is coarse and which direction is fine.
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Espresso Crema: Simple in Appearance Yet Worth Deep Investigation!
Many coffee enthusiasts who use brewing methods other than espresso machines often worry about their coffee lacking crema. Do only espresso machines produce crema?! Why does moka pot espresso have so little crema?! What constitutes perfect espresso crema?! When it comes to the topic of crema
2025-06-23 Espresso Crema Appearance Simple Worth Deep Investigation Many Using -
Introduction to the 3 Extraction Stages of Espresso - What Does Espresso Taste Like?
In the past, FrontStreet Coffee focused on explaining the preparation steps before locking the portafilter into the brew head when sharing knowledge about making espresso, such as distribution and tamping—actions that are highly operational and have significant impact on coffee. After securing the portafilter and starting the brewing button, the rest was left to the machine. However, we also
2025-07-30 espresso extraction stages espresso taste espresso brewing espresso coffee -
How to Use a Home Coffee Machine? A Tutorial Guide for Espresso Brewing Methods
For professional coffee knowledge and more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). Coffee extraction is a result of comprehensive influence from multiple factors - water temperature, pressure, extraction time, grind size, and other variables all affect coffee extraction. However, with so many variables coexisting, the brewing process becomes...
2025-06-23 home coffee machine how to use espresso method tutorial professional -
What is Pre-infusion? Understanding Pre-infusion Principles and Methods, and Duration
Whenever developing an extraction framework for pour-over coffee, we always include the pre-infusion step by default. An ideal pre-infusion allows carbon dioxide to be released in an orderly manner while "awakening" the soluble substances in the coffee, making subsequent flavor extraction more stable. Since pre-infusion has such a significant impact on coffee flavor, what about other brewing methods?
2023-07-19 pre-infusion coffee brewing coffee extraction pre-infusion time coffee techniques