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What Products are Generated by the Caramelization Reaction During Roasting? What Happens When Caramelization is Excessive or Insufficient?
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). FrontStreet Coffee briefly explains the caramelization reaction during roasting. The sugars in coffee beans undergo caramelization reaction at approximately 170-200°C, which coincides with the melting point of sucrose (185°C) and the temperature range during the first crack phase of coffee bean roasting. The products of the caramelization reaction include various compounds that contribute to the aroma, flavor, and color development in coffee beans. When caramelization is insufficient, the coffee may lack sweetness and complexity, while excessive caramelization can lead to bitter, burnt flavors that mask the coffee's inherent characteristics.
2019-12-17 roasting caramelization reaction products excessive insufficient professional -
Andy Lau Drinks Too Much Coffee! Is Coffee Really Healthy? Symptoms of Caffeine Addiction
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more specialty coffee beans, please add FrontStreet Coffee's private WeChat account: qjcoffeex. Recently, Andy Lau discussed with Guo Fan (director of The Wandering Earth) in a talk show...
2023-01-18 Andy Lau coffee health caffeine addiction symptoms -
What to Do with Too Much Coffee Fines? How to Brew with Fine Coffee Grounds? What's the Difference Between Fine and Coarse Grounds?
To better extract the flavor compounds from coffee beans, we grind the coffee beans to increase the surface area for contact with water, thereby improving extraction efficiency. However, whether it's a grinder costing hundreds of dollars or tens of thousands of dollars, without exception, the coffee grounds they produce all contain fine particles.
2025-02-17 coffee fines fine grounds coarse grounds coffee grinding pour over coffee coffee extraction -
What Causes Slow Pour-Over Coffee Flow? How to Brew High-Density Light Roast Coffee?
"Blocked," "weak," "bitter," "thin"—these are common issues when brewing high-density beans. Many beginners find this frustrating, as no matter how they adjust their technique, it's often difficult to brew a delicious cup of coffee with these beans. Not because of excessive extraction time but
2025-05-17 pour-over coffee slow flow high-density beans light roast coffee brewing -
Why Does Coffee Taste Salty? What Causes Salty Flavor in Brewed Coffee? What Are the Signs of Under-Extracted Coffee?
Sour, sweet, and bitter are the three most common flavors we taste in a cup of coffee. Since these three flavors are crucial to the composition of coffee, many articles often focus on these tastes. However, coffee actually contains another hidden flavor beyond these three--saltiness. Coffee
2024-12-07 coffee taste salty coffee coffee extraction brewing methods coffee flavors -
What is Coffee Silver Skin? Does Silver Skin Affect Coffee Flavor? Solutions for Excess Silver Skin in Coffee Grounds
Some friends have asked FrontStreet Coffee about finding many yellow-white fragments mixed in their coffee grounds after grinding beans. What exactly are these fragments? Will they affect the coffee's flavor? These yellow-white fragments are actually silver skin, which is the final layer of processed green coffee beans.
2022-03-25 coffee silver skin coffee flavor coffee grounds coffee processing -
Why Use Different Temperatures to Brew One Pot of Coffee? What is Three-Temperature Variable Brewing? What Water Temperature Should You Use for Pour-Over Coffee?
Over-extraction is a common frustration many friends face when brewing coffee. As everyone knows, when a cup of coffee is over-extracted, it will develop obvious off-flavors and bitterness that are difficult to swallow. The main cause of coffee over-extraction comes from an excessively high extraction rate, but this varies by situation! The reasons for excessive extraction rate could be
2024-11-20 coffee brewing water temperature extraction over-extraction pour-over coffee variable temperature brewing -
Why Does the Coffee Puck Stick to the Group Head? Does a Puck Stuck to the Shower Screen Affect Espresso?
A few days ago, FrontStreet Coffee shared "Reasons for Water Pooling in the Portafilter," and some friends asked, "What causes the coffee puck to stick to the group head after extraction?" Therefore, FrontStreet Coffee is here to discuss why this situation occurs. - Too much coffee dose This is the easiest problem to identify, and it's also the issue with the smallest impact.
2022-09-24 espresso troubleshooting coffee puck sticking group head issues espresso extraction -
What Is Coffee Bean Degassing Period? Can Coffee Beans Be Sealed for Degassing? Only Concerned About Excessive Expansion
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). FrontStreet Coffee - Brief Introduction to Coffee Bean Degassing. First, let's understand the changes in coffee bean flavor; the flavor composition of freshly roasted coffee beans is basically determined. Many people attribute the deterioration of coffee beans to the natural daily changes that occur in coffee beans, but actually...
2020-02-10 what coffee degassing period understand coffee beans degassing sealed can afraid expansion -
What are the signs of over-extracted coffee? Causes and solutions for over-extraction - Can coffee be brewed repeatedly?
Hmm, why is this coffee so bitter? Is it over-extracted? Many people think that bitter coffee is simply over-extracted...
2022-05-15 coffee over-extraction signs causes solutions taste repeatedly brewing -
What Are the Differences Between Specialty Coffee and Instant Coffee: Their Effects on Human Health
We know that drinking coffee, when consumed in moderation, can be extremely beneficial to our health. However, does this apply to all types of coffee? The coffee that FrontStreet Coffee mentioned as being beneficial to human health refers to espresso coffee and the currently popular pour-over coffee. These are not the common instant coffees we find in our daily lives. Today, various flavored instant coffees on the market are receiving great
2021-08-02 specialty coffee instant what difference human body effect we know -
Starbucks Has Pearl Coffee Too! Coffee with Toppings Isn't Excessive
For more professional coffee knowledge exchanges and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more specialty coffee beans, please add FrontStreet Coffee's private WeChat account: qjcoffeex Perhaps in the near future, when ordering coffee, you won't say "I want an iced Americano, substitute Yirgacheffe S..."
2022-11-03 starbucks pearl coffee coffee toppings cold brew specialty coffee frontstreet coffee -
What Common Situations Occur During the Coffee Roasting Process?
Professional coffee knowledge exchange. For more coffee bean information, please follow Cafe_Style (WeChat official account: cafe_style). FrontStreet Coffee provides a brief overview of common situations that occur during the roasting process. Coffee roasting involves applying heat to raw coffee beans to remove excess moisture and transform certain components into caramelized sugars and flavor oils. Roasting is what allows coffee beans to develop their
2019-12-17 roasting process common situations professional coffee knowledge -
Raw Coffee Bean Water Activity | How to Protect Coffee from Excessive Water Activity
Professional coffee knowledge exchange for more coffee bean information please follow Coffee Workshop (WeChat public account: cafe_style) FrontStreet Coffee Costa Rica Coffee | Costa Rica Angel Manor Global only 85kg | Geisha 2018 Panama Emerald Manor Red Label Natural | Blue Label Washed | Green Label Natural For a long time it has been understood that food spoilage is related to the moisture content in food
2018-11-18 coffee green beans activity how to protect from excessive impact professional -
Should Fine Particles Be Retained in Coffee Extraction?
Often, due to issues with grinding equipment, the ground coffee ends up containing many extremely fine particles (fines)! At such times, those preparing to brew coffee face a difficult choice! FrontStreet Coffee often says that too many fines become a double-edged sword. While retaining them may potentially yield rich flavors...
2023-11-13 coffee extraction fine particles coffee brewing grind size coffee consistency -
"Is a Minimum Purchase of One Drink Per Person Excessive?" Coffee Shop Owner's Post Sparks Polarized Online Debate
Recently, a coffee shop owner posted a scenario on a social media platform seeking opinions from netizens. The content is as follows: (Since the post was in Cantonese, it has been translated to Mandarin below) Our coffee shop has a policy requiring each dine-in customer to purchase at least one drink. (Netizens who have visited this coffee shop posted pictures in the comments, indicating that the shop implements this rule clearly with visible signage.)
2022-06-15 coffee shop minimum purchase customer policy online debate restaurant etiquette -
Should the Coffee Drip from Pour-Over Bloom Be Discarded? How Much Water is Needed for Coffee Bloom?
Introduction: Typically, the amount of water used for blooming is twice the weight of coffee grounds. This is based on the fact that coffee grounds can absorb water up to twice their own weight when saturated. However, in practice, when using twice the amount of water during the initial pouring stage, excess coffee liquid will drip into the lower pot. Should this dripping coffee liquid be discarded? Why does excess coffee liquid exist? Let's first explain this issue.
2021-02-05 pour-over coffee bloom discard drip water amount brewing -
Selling Coffee in Herbal Tea Shops?! The Hottest Marketing Trend in the Coffee Industry 2023 - Impactful Sensation
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). For more premium coffee beans, please add private WeChat FrontStreet Coffee, WeChat ID: qjcoffeex. While others experience March with warm spring flowers and pleasant weather, Guangdong's March... features a daily temperature swing of 13°C.
2023-03-01 coffee industry marketing trends 2023 coffee shops herbal tea shops coffee business strategy FrontStreet Coffee -
Can You Save Your Pour-Over Coffee with Bypass? A Pour-Over Coffee Bypass Tutorial
Introduction: Bypass literally means to go around, a term often used in network security equipment applications (referring to when a network security device fails, bypass is needed to physically connect networks to keep them communicating). When bypass is applied to pour-over coffee brewing, unexpected results can occur! Bypass involves adding water to the coffee liquid.
2021-05-22 bypass pour-over coffee tutorial save brew technique guide -
Luckin Coffee Trending! Why So Much Ice in Coffee and Milk Tea Shop Beverages?
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more premium coffee beans, please add FrontStreet Coffee's private WeChat account: qjcoffeex. Recently, multiple consumers have reported online that Luckin's iced coffee drinks contain excessive ice.
2023-03-15 coffee milk tea ice content beverage industry Luckin Coffee