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Golden Cup Coffee Extraction Rate and Concentration Calculation Formula: What are the Golden Cup Extraction Criteria and Standards?
For professional barista exchanges, please follow Coffee Workshop (WeChat official account cafe_style). The origin of Golden Cup extraction: Coffee concentration and extraction rate are two technical terms that most baristas still confuse as one thing, unclear about which is which; they are like the Hai Er brothers, independent individuals but inseparable from each other.
2023-01-16 Golden Cup Extraction Concentration Extraction Rate Relationship Coffee Calculation Formula Professional -
What is the Golden Rule of Espresso Extraction? Why Use a 1:2 Brew Ratio for Espresso?
Question: What parameters should be used to extract a delicious cup of espresso? When you ask this question, many experienced coffee enthusiasts might tell you to use an amount of coffee equal to your portafilter's capacity, then extract twice the weight of the coffee in liquid within a certain time range. For example, using 20g of coffee to extract 40g of espresso liquid in 25-30 seconds.
2024-09-30 espresso extraction golden ratio brew ratio coffee brewing espresso parameters -
What Does Espresso Mean? How to Extract Perfect Espresso? What's the Difference Between Ristretto and Lungo?
As we all know, espresso comes in three variations! There's the standard Normale (regular espresso), the short-extraction Ristretto, and the long-extraction Lungo. Because these three have distinctly different extraction rates and concentrations, we adjust our approach accordingly
2025-03-01 espresso coffee extraction ristretto lungo coffee brewing -
Does Pour-Over Coffee Brewing Require Formulas? How to Calculate Extraction Rate in Coffee Gold Cup Theory
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). Coffee's 'Gold Cup Theory' (Gold Cup Theory) - TDS (Total Dissolved Solids) 'Gold Cup Theory',
2023-02-16 coffee brewing require formula about gold cup extraction theory professional -
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 -
How to Calculate Coffee Strength and Extraction Rate? What Does Golden Cup Extraction Mean?
FrontStreet Coffee often references the concept of "Golden Cup Extraction" (GoldCupExtraction) in its articles. This is a result developed through research and investigation initiated by the Specialty Coffee Association of America (SCAA). It represents a "best" coffee extraction found by quantifying extraction rate and strength.
2025-02-22 coffee extraction golden cup brewing ratio coffee strength extraction yield SCAA -
What Does Coffee Powder-to-Water Ratio Mean? What Does the Professional Term Powder-to-Liquid Ratio Refer to in Specialty Coffee?
Powder-to-water ratio and powder-to-liquid ratio are different measurement units used in coffee brewing. Due to their similar names, many beginners tend to confuse them, which in turn leads to deviations in the extracted coffee's flavor. Therefore, FrontStreet Coffee is here today to share once again the differences between powder-to-liquid ratio and powder-to-water ratio. Let's first discuss
2024-07-01 coffee powder water ratio coffee powder liquid ratio specialty coffee terms coffee brewing measurements coffee extraction -
What's the Difference Between Espresso and Ristretto? What Does Ristretto Mean? What's the Base of Flat White Coffee?
As we all know, Italians invented a coffee extraction method in the 19th century that uses high temperature and high pressure to extract coffee quickly in a short amount of time. Because the coffee preparation was much faster than previous methods and required less time to serve to customers, people began using the Italian term
2024-11-16 espresso ristretto flat white coffee extraction Italian coffee -
Introduction to Golden Cup Extraction Rate Theory for Pour-Over Coffee | How to Calculate Pour-Over Coffee Extraction Rate Tutorial
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). The Golden Cup Theory of Coffee: Calculating Extraction Rate for Pour-Over Method. Let's begin with practical application, starting with the calculation of extraction rate for pour-over method. Some might find it strange why we need to calculate differently for various brewing
2021-11-14 pour-over coffee Golden Cup theory extraction rate calculation what is professional knowledge -
[Illustrated] Should Coffee Bloom Liquid Be Discarded? A Step-by-Step Guide to Coffee Blooming
![[Illustrated] Should Coffee Bloom Liquid Be Discarded? A Step-by-Step Guide to Coffee Blooming](https://en.gafei.com/uploads/allimg/210814/15-210Q41512233E-lp.jpg)
When pouring hot water twice the weight of coffee grounds for blooming, some coffee liquid always drips into the lower pot. Will this liquid affect the coffee's flavor, and should it be poured out? Why does coffee liquid drip into the lower pot during blooming? The water absorption rate of coffee grounds is twice their own weight, so when we pour water twice the amount of grounds, theoretically there shouldn't be excess coffee liquid dripping into the lower pot. The answer lies in
2021-08-14 pour-over coffee bloom should discard guide steps illustrated -
What's the Difference Between Coffee-to-Water Ratio and Coffee-to-Liquid Ratio?
When FrontStreet Coffee shares coffee brewing experiments, we always mention the term "coffee-to-water ratio." Because when we brew coffee, ratio is an extremely important extraction parameter that has certain conditions that can influence the coffee concentration we ultimately obtain! However, sometimes we use "coffee-to-liquid ratio" instead.
2023-11-05 coffee brewing extraction parameters coffee ratio FrontStreet Coffee -
Can't Extract to Target Liquid Weight? Should You Press the Extraction Button Again? Is Double-Extracted Espresso Good to Drink?
When extracting espresso, we typically use a continuous method to extract the target liquid volume in one go. However, sometimes we might accidentally end the espresso extraction early due to a moment of carelessness or unintentional touch. While this can be called a ristretto, as FrontStreet Coffee mentioned, except for flat whites
2024-05-06 espresso extraction double extraction coffee brewing liquid weight coffee techniques -
What is Coffee Extraction? How to Identify Under-extracted and Over-extracted Flavors in Pour-over Coffee
Under-extraction and over-extraction
2021-09-13 what coffee extraction how identify pour-over under over extracted flavor -
Why Does My Pour-Over Coffee Taste Too Sour? What's Causing Both Sour and Bitter Flavors? Barista's Guide to Pour-Over Coffee Extraction
Why does pour-over coffee taste too sour? What's happening when your coffee is both sour and bitter? Today we'll explain why these issues occur. Generally speaking, sharp acidity and bitterness are undesirable characteristics in coffee. Sharp acidity typically indicates "under-extraction," while sharp bitterness suggests "over-extraction." But what about when coffee tastes both sour and bitter? This could be
2021-10-17 pour-over coffee sour coffee bitter coffee coffee extraction barista tutorial brewing guide -
How Many Milliliters in a Shot of Espresso - Understanding Crema Production and Quality
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). Espresso coffee, simply put, is an extraction process. It's about extracting various compounds from coffee - getting some out as completely as possible while leaving others completely out, and then...
2025-07-31 shot espresso milliliters crema quality standard -
Why Don't We Recommend Beginners Use Coffee-to-Liquid Ratio? What Does Coffee-to-Water Ratio Mean? What's the Difference Between Coffee-to-Liquid Ratio and Coffee-to-Water Ratio?
Recently, FrontStreet Coffee shared an article about how to brew coffee more consistently, which mentioned a point that confused many friends: compared to the coffee-to-liquid ratio, FrontStreet Coffee recommends using the coffee-to-water ratio as the measurement method. Many friends are confused about why the coffee-to-liquid ratio is not suitable as a measurement for pour-over coffee
2025-03-30 coffee brewing coffee ratio coffee-to-water ratio coffee-to-liquid ratio coffee brewing methods beginner coffee tips -
Why Calculate Ratios in Pour-Over Coffee: The Difference Between Powder-to-Water and Powder-to-Liquid Ratios
Introduction Before we begin this article, let's consider a question: "If we now use 15g of coffee grounds to brew a pot of coffee at a 1:15 ratio, are we pouring a total of 225g of water, or do we end up with 225g of coffee liquid in the pot after brewing?" The answer is: we pour a total of 225g of water, rather than having 225g of coffee liquid in the pot after extraction. Regarding this issue, using a stand-style pour-over
2021-07-13 pour-over coffee why calculate ratio powder-to-water powder-to-liquid difference introduction -
SCA Golden Cup Extraction Standards | Pour-Over Coffee Golden Cup Theory Calculation Formulas and Standards
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). Coffee Extraction Science | What are the espresso extraction standards? SCAE Golden Cup Extraction Theory. More and more friends are getting into coffee, and among them, some people are very serious about coffee as an endeavor.
2025-06-28 expert analysis golden cup theory Gold Cup coffee golden cup standards research -
Coffee Calorie Chart Americano Coffee for Weight Loss Americano Coffee Characteristics Flavor and Taste Americano Coffee Bean Story
Professional coffee knowledge exchange for more coffee bean information please follow Coffee Workshop (WeChat public account cafe_style) [Cold Knowledge] Do you really know how to make Flat White and Americano coffee? Coffee itself is not high in calories, and black coffee does indeed have weight loss functions. But if you are used to adding to your coffee
2025-06-28 coffee weight loss essential knowledge chart why celebrities drink iced americano because professional -
How to Brew Drip Coffee Bags Correctly? What's the Best Milk to Add to Premium Drip Black Coffee?
For professional coffee knowledge and more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). Summarizing several common misconceptions about drip coffee, along with tips for properly brewing drip bags. To brew excellent drip coffee, please be sure to read the following instructions carefully: The coffee extraction principle is as follows: The higher the water temperature: coffee
2025-06-18 drip coffee brewing method how times add sugar milk