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What Does Coffee's Soup Color Mean? Can You Drink Cloudy Coffee? Why Is Some Coffee Clear While Others Are Cloudy? What Materials Are Coffee Filters Made Of? What Are the Advantages of Coffee Filter Paper?
Often, customers and friends at FrontStreet Coffee's store discuss coffee-related topics, such as coffee origins, brewing parameters and steps, or the taste of coffee. Occasionally, some friends explore more niche topics, such as coffee's "soup color." "Soup color" is a professional term borrowed from tea evaluation.
2025-09-27 coffee soup color cloudy coffee clear coffee coffee filters coffee filter paper FrontStreet Coffee tea evaluation terminology coffee clarity brewing methods -
What Causes Uneven Coffee Bean Roast Colors? Why Do Light Roast Coffee Beans Have Color Variations?
Have you ever encountered this situation? You buy a new bag of coffee beans, eagerly open the package, only to find that the coffee beans inside have uneven colors—some slightly lighter, some slightly darker. At this point, you might think, "Did I get a bad batch?", "How come this shop's quality control is so poor?", "This shop's roasting...
2022-06-29 coffee bean roast uneven color light roast coffee quality control roasting process -
What type of cup is best for drinking coffee? What is the chromatic-gustatory synesthesia effect? Are coffee tasting cups a ripoff?
Today, FrontStreet Coffee was brewing hand-pour coffee for a customer as usual. But unexpectedly, the customer made a rather unusual request. What was it? He hoped to have the freshly brewed coffee divided into two cups of different colors. After some inquiry, it turned out that he had seen online
2025-03-10 coffee cups chromatic-gustatory synesthesia coffee tasting FrontStreet Coffee hand pour coffee -
How to Use a Coffee Colorimeter? How to Determine Coffee Bean Roast Level? What Do Coffee Powder Value, Color Value, and RD Value Mean?
When observing coffee beans, besides identifying their variety and processing method through their appearance characteristics, we also make preliminary judgments about their roast level based on their external color. The deeper the coffee bean's color, the deeper the roast level; the lighter the coffee bean's color,
2024-11-12 coffee colorimeter coffee bean roast level coffee powder value coffee color value coffee RD value -
What is the Roast Color Value of Coffee Beans? How to Judge the Degree of Roast from Appearance
We often make preliminary guesses about the degree of roast based on the external color of coffee beans. For example, if the beans appear brown and relatively bright, we might guess they are lightly roasted; if the color is brown and darker, we would assume they are dark roasted.
2023-11-12 coffee beans roast color value roast degree light roast dark roast coffee appearance -
Agtron Values vs Coffee Bean Roast Levels: Understanding Coffee Bean Pink Color Values and Surface Color Values
Professional Coffee Knowledge Exchange For more coffee bean information, please follow Coffee Workshop (WeChat Official Account: cafe_style) Coffee Bean Roast Levels Description The Coffee Boundary roasting machine uses a semi-hot air method, which offers significant advantages for coffee flavor and aroma. Semi-hot air provides stable heat, allowing raw beans to expand evenly, resulting in more stable light, light-medium, and medium roast performances during coffee extraction.
2018-06-19 coffee beans roasting level what does mean Agtron comparison chart professional -
What's the Difference Between the Maillard Color Palette and the Maillard Reaction in Coffee Roasting? What About Caramelization?
Every autumn and winter season, the "Maillard color palette" always creates a wave of trends! The Maillard color palette refers to the color changes that occur in food during the cooking process due to the Maillard reaction. Brown, tan, orange, and yellow are the main colors of this palette. Coffee beans are also a type of food, so when we roast coffee beans...
2024-03-13 Maillard reaction coffee roasting caramelization Maillard color palette seasonal trends food chemistry -
What are the Grind Value and Color Value of Coffee Beans? How to Determine the Roast Level of Coffee? Why Does Coffee Have Acidity?
The flavors exhibited by coffee primarily originate from its genetics (variety), growing environment, and processing methods used! Once the beans go through these stages, they establish their unique flavor characteristics, and then it's just waiting for the roaster's craftsmanship to transform them into a "delicious dish"! The roast level...
2024-06-11 coffee beans grind value color value roast level coffee acidity coffee brewing coffee science -
Is Cloudy Pour-Over Coffee Safe to Drink? Understanding Coffee Clarity
Have you ever observed how your coffee's appearance changes in daily life? Various factors influence its color and clarity—from red to black tones, bright to dark shades, and clear to cloudy consistencies. The term we use, "soup color," actually originates from tea terminology, where "tea soup color" is a professional term describing how tea's appearance varies based on brewing methods and fermentation levels.
2023-12-27 coffee clarity cloudy coffee pour-over coffee coffee safety coffee appearance -
Why Do Medium-Roasted Beans Appear Dark-Roasted? How Do Roasters Determine Coffee Bean Color Values?
At FrontStreet Coffee, we often encounter questions like: "Is this bag of beans roasted too dark? You said it's medium roast, why does it look so black?" or "Why do these beans have two different colors? Is the roasting uneven?" When you encounter these situations, please pay attention as FrontStreet Coffee explains how roasters determine the color values of coffee beans.
2023-11-04 coffee roasting medium roast dark roast bean color roasting techniques FrontStreet Coffee -
What Affects Coffee Clarity: Reasons for Color Variations in Pour-Over Coffee
When brewing coffee, we can gather valuable information from the used coffee grounds to determine if our coffee has any issues. Some friends also observe the color of the coffee liquid—can this reveal potential problems? Why might brewed coffee appear too dark? When using transparent glass servers to hold the extracted coffee, we can observe various characteristics that indicate brewing quality.
2022-10-28 coffee clarity pour-over coffee coffee color coffee extraction brewing techniques -
How Many Common Color Varieties of Bourbon Coffee Exist?
Among Arabica varieties, Typica and Bourbon are genetically the most important coffee varieties worldwide and also the oldest existing coffee varieties. However, people tend to value the Bourbon variety more because it currently has numerous color variants. Speaking of Bourbon, according to...
2024-10-06 Bourbon coffee Arabica varieties coffee genetics color variants -
Demystifying Bourbon Coffee Varieties: What's the True Color of Bourbon? It's Actually Rainbow-Colored
Professional coffee knowledge exchange, for more coffee bean information, please follow Coffee Workshop (WeChat official account cafe_style). FrontStreet Coffee - Introduction to Bourbon Coffee Varieties. I joked with my roommate, "What variety would you get if you bred your silver chinchilla cat with my orange cat?" He retorted, "Then what variety would you get if I crossbred your Geisha with Yirgacheffe?" Upon reflection, actually "crossbreeding and
2020-03-13 Bourbon variety coffee demystify normal what color actually rainbow -
New Coffee Bean Creative Product Watch with Roast Level Color Dial
既然咖啡可以喝进肚子里，穿在身上，踩在脚上，那么为什么不能戴在手上？ 你有想过可以穿戴在手上的咖啡吗？咖啡不仅能喝，还能用来制作手表！ 一家来自美国圣路易斯的钟表制作公司Jord联合卡迪咖啡公司（Kaldis Coffee）共同推出了一款限量款手表。这一款手
2021-07-12 coffee beans creative product watch roasting level color dial 既然 coffee -
What are the Basics of Coffee Roasting? How to Judge the Process and Color Changes of Coffee Bean Roasting
Professional coffee knowledge exchange For more coffee bean information please follow Coffee Workshop (WeChat official account cafe_style) Coffee roasting can be initially divided into five stages: Warm-up: Preheating the coffee roaster's drum to the temperature for starting the roast called the "charge temperature" FrontStreet Coffee talks about the coffee bean roasting process and color changes When judging the degree of coffee bean roasting you can rely on sound
2019-12-12 coffee roasting basics essentials what are coffee beans how to judge process -
Why Starbucks Uses Dark Roast Beans for Americano and Why Espresso Beans Develop Surface Oil
Differences Between Starbucks Medium and Dark Roasts - Starbucks Espresso Roast Coffee Beans. The 4321 Theory in Specialty Coffee: 40% of a specialty coffee's quality comes from variety, cultivation, and processing methods; 30% from roasting; 20% from brewing equipment; and 10% from the barista's technique. Roasting has a particularly significant impact on the flavor profile of specialty coffee. The reason why brown beans develop
2016-12-27 Starbucks Medium Roast Dark Difference Espresso Coffee Beans -
Coffee Bean Varieties and Flavor Profiles: An Introduction to Common Bourbon Coffee - The Colorful Rainbow of the Coffee World
Professional coffee knowledge exchange for more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). FrontStreet Coffee - Introduction to Three Major Coffee Bean Varieties and Bourbon Coffee. Arabica is truly a sophisticated highland coffee belonging to the high-altitude coffee category, with most specialty coffees falling within this variety. Iconic coffees like Blue Mountain, which hold idol status in the hearts of coffee enthusiasts, are also Arabica varieties. It...
2020-02-07 coffee beans varieties flavor profiles introduction common bourbon coffee colorful rainbow -
What's the Difference Between Agtron Color Values and Roast Delta? Understanding Coffee Roast Measurements
When observing coffee beans, we can not only identify their variety and processing method through their appearance, but also make a preliminary judgment about their roast level based on their color. The deeper the coffee bean's color, the deeper the roast level; the lighter the color, the lighter the roast level.
2024-11-12 Agtron Roast Delta coffee roast measurement coffee color values coffee roasting science -
Bourbon Coffee Beans: The Color Experts of the Coffee World
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). FrontStreet Coffee - Bourbon Coffee. In fact, coffee types and coffee varieties are two completely different concepts. Coffee bean types such as Sidamo and Mandheling are generally named after places to denote the uniquely flavored coffee beans from those regions, while coffee bean varieties refer to the biological species concept.
2020-03-05 coffee beans varieties flavor profile introduction bourbon color expert coffee world -
Light vs Dark Roast Coffee Beans: Comparing Flavors and Which Roast Level is More Popular
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat Official Account: cafe_style). FrontStreet Coffee - Roast Level Comparison: Light Roast: The lightest roast level among all roasting stages, coffee beans display a light cinnamon color, with insufficient flavor and aroma, generally used for inspection purposes and rarely for tasting. In terms of roasting time, it's close to the first crack. (ps
2020-02-23 coffee beans light dark roast flavor comparison deep medium taste professional