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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 -
What is Coffee Acidity? Why Does Coffee Taste Sour? Is it Caused by Coffee Acidity?
Professional coffee knowledge exchange For more coffee bean information Please follow Coffee Workshop (WeChat official account cafe_style) The source of coffee sour taste The difference between pleasant acidity and unpleasant sourness Coffee acid (English: Caffeic acid) is an organic compound belonging to hydroxycinnamic acid, featuring both phenolic hydroxyl and acrylic acid functional group structures. Because caffeic acid is biosynthesized from plant
2018-01-26 coffee what is sour what's wrong is it because of reason professional knowledge -
Is it normal for Americano to taste sour? What to do if your coffee is too sour? How to adjust coffee flavor?
Is it normal for Americano to taste sour? This is absolutely normal. Personally, I believe there are several reasons for this situation. First, the coffee beans used for this cup of coffee are naturally of a more acidic variety. For example, an Ethiopian SOE Americano would be quite sour, or if it's lightly roasted and contains African beans
2024-12-08 Americano sour coffee coffee flavor adjustment coffee brewing tips -
Is SOE Americano Black Coffee Too Sour When It's Spoiled? Is It Normal for Espresso Beans to Have Acidity, and What Are the Reasons?
Today, we're going to teach you how to adjust when your coffee turns out too sour. First, if your Americano is too sour, has it gone bad? This would only be the case if a prepared Americano was left for several days and then developed a sour taste when you drink it—that's when it's actually spoiled. Normally, a freshly made Americano having some acidity is completely normal.
2023-01-06 coffee acidity american coffee espresso beans sour coffee coffee brewing coffee taste adjustment -
Why is Pour-Over Coffee Too Sour and How to Adjust It? Is It Normal for Fresh Coffee Beans to Have Sour Taste?
Light roast coffee possesses fruit-like acidity, but today FrontStreet Coffee is not discussing this type of acidity, but rather the sharp sour taste caused by under-extraction during brewing. FrontStreet Coffee will list several recent cases reflected by friends as case study analysis. Case Study 1: Water Temperature Issue During one guest service, a customer ordered a cup of Yirgacheffe
2022-04-15 pour-over coffee sour coffee coffee acidity brewing adjustments extraction issues coffee brewing FrontStreet Coffee -
Why Does Coffee Become Sour When It Cools Down? What Determines the Flavor Changes in Pour-Over Coffee? What to Do When Coffee Is Too Sour?
Have you ever had an experience like FrontStreet Coffee, where coffee tastes perfectly balanced between sweet and acidic when freshly brewed, but becomes increasingly sour as it sits? Eventually, the acidity becomes so sharp that one sip can make you cringe like you've seen a world-famous painting! Many of you might be curious:
2024-08-15 coffee acidity temperature impact pour-over coffee flavor changes coffee brewing coffee science -
How to Extract a Balanced Espresso? Why Doesn't Your Espresso Taste Good?
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). While previous articles mentioned the basic sequence of espresso coffee extraction, in reality, the contents within the coffee grounds are extracted simultaneously. Acidity, sweetness, saltiness, bitterness, astringency, oils, various aromas, and mouthfeel are all released at the same time, just that the substances within
2018-07-29 how extract balanced espresso taste good what wrong -
Why Does Panama Pour-Over Coffee Taste Too Sour? How to Control Acidity in Pour-Over Coffee
Professional coffee knowledge exchange. For more coffee bean information, please follow Cafe_Style (WeChat public account). FrontStreet Coffee's Panama Butterfly Pour-Over Introduction: Panama is located in the typical coffee belt. Panama's neighboring countries are all world-renowned coffee-producing regions, and together they tell the world about their origins with coffee. The microclimate there is particularly suitable for coffee growth, with high altitudes
2019-12-09 Panama pour-over coffee too sour what are the reasons how to control acidity professional -
What to Do When Mandheling Coffee Beans Taste Too Sour_ How Much Does a Cup of Golden Mandheling Cost to Avoid Sourness?
Professional coffee knowledge exchange For more coffee bean information Please follow Coffee Workshop (WeChat official account cafe_style) Golden Mandheling coffee is not without acidity, its acidity actually increases with deeper roast levels. In this article, we will show you the different flavors that Golden Mandheling coffee beans exhibit at various roast degrees. The editor's personal favorite is Mandheling, unique
2018-08-15 Mandheling Coffee Beans Flavor Sour What to Do Price Cup Golden Not Sour Professional -
What to Do When Yirgacheffe Coffee Beans Taste Too Sour: Pour-Over Tutorial
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). FrontStreet Coffee's Yirgacheffe Lion King Pour-Over Sharing: Ethiopia's Yirgacheffe coffee, though small in size, is gentle, elegant, and delightfully sweet. As coffee's
2021-11-16 Yirgacheffe pour-over coffee why tastes sour hand brew too sour what to do professional -
What to do if your pour-over coffee is too sour, too bitter, too strong, too weak, too astringent, too complex, too burnt, or tastes terrible?
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). Pour-over coffee is an experimental science. Although results cannot be completely predicted through theory, theoretical knowledge can improve brewing accuracy and summarize all possible situations.
2022-04-27 pour-over coffee too sour too bitter too strong too weak too astringent too complex too burnt too terrible -
What are the signs of under-extracted coffee? What causes coffee to taste sharp and sour? Why is my pour-over coffee too acidic?
Preface: In the previous article, FrontStreet Coffee explained the flavor characteristics of over-extracted coffee. In this installment of Barista Training Guide, we continue to discuss the flavor profile of under-extracted coffee! What is under-extraction? According to SCA Golden Cup extraction theory, 18-22% of water-soluble substances in coffee contribute to good flavor. Therefore, when brewing coffee, we should maintain an extraction rate between 18-22%
2021-03-13 coffee extraction under what signs sharp sour causes pour-over too acidic -
How to Judge Coffee Extraction Through Tasting: An Introduction to Hand-Pour Coffee Brewing Flavor Sensory Description
If you want to learn how to brew coffee, you must first learn how to taste coffee. Of course, "learning to taste coffee" here doesn't just mean being able to describe exquisite flavors, but rather being able to judge whether a cup of coffee is good or bad—that is, tasty or not. Whether coffee tastes good or not involves both subjective and objective factors, with personal preference being a significant influence.
2025-05-15 coffee tasting extraction hand-pour coffee sensory evaluation brewing techniques -
How to Adjust Pour-Over Coffee When It's Too Sour or Bitter? What Causes Overextraction in Black Coffee?
In the cupping and tasting system, if a coffee's acidity, sweetness, flavor characteristics, cleanliness, mouthfeel, and aftertaste are all perceived as harmonious, then its balance must be high. This also indicates that the coffee bean's quality is excellent, ultimately earning a remarkable score. When it comes to the brewing process,
2024-02-05 coffee brewing pour-over coffee coffee extraction coffee acidity coffee bitterness black coffee coffee techniques -
Is El Salvador Coffee Too Sour? The Unique Delicacy of Natural Process El Salvador Coffee
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). FrontStreet Coffee's Introduction to Natural Process El Salvador Coffee - El Salvador's specialty coffee is concentrated in the Santa Ana region in the west and the volcanic rock producing areas of Chalatenango in the northwest. The top ten cupping competitions in recent years have almost all come from these two regions, with altitudes ranging from approximately 900-1500 meters, primarily Bourbon varieties.
2020-03-01 El Salvador coffee sour natural process flavor unique delicate professional -
Is SOE just single origin coffee? Why is SOE Americano too sour and SOE latte too bitter?
As the specialty coffee scene continues to flourish in China, high-quality single-origin beans from various regions around the world have frequently appeared on many café menus. Not only does each coffee come with detailed traceability information, but many single-origin batches also leave a lasting impression with their unique aromas. For example, the bean menu at FrontStreet Coffee has an entire section dedicated to these offerings.
2025-09-27 SOE Single Origin Espresso specialty coffee coffee extraction coffee acidity coffee bitterness -
Master Your Palate to Brew Great Espresso! Even Starbucks Espresso Beans Can Taste Delicious
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). Making coffee is inseparable from the three basic flavors of sour, sweet, and bitter. Moreover, coffee's flavor is actually a comprehensive combination of these three tastes. Today we won't discuss aroma, focusing purely on coffee's basic flavors. When we often brew espresso, it's frequently either too bitter or
2018-07-29 master palate brew great espresso starbucks coffee beans delicious -
Cold Brew Coffee Storage Time | Cold Brew Coffee Too Sour Adjustment Techniques | Cold Brew Coffee Tutorial
Should cold brew coffee steep for 12, 18, or 24 hours? Yes. Before you think my answer is a bit hasty, let me explain. Is it really that difficult to steep cold brew coffee for too long? Most flavor elements are extracted in the first 4-8 hours. By then, basically everything that needs to dissolve has dissolved.
2025-07-21 cold brew coffee should how long why sour make time -
Is Your Americano Sour? Is It Normal for Specialty Black Coffee to Have Acidity?
Today some friends asked me, is an Americano with sour taste spoiled? I'm here to explain whether it's normal for Americanos to have sour notes. First, we need to understand why the Americanos we typically drink are bitter. This is because most Americanos we consume are made with dark roast coffee beans, which naturally have a bitter profile, and the...
2022-11-08 Americano sour coffee black coffee acidity specialty coffee -
Costa Rican Coffee Bean Roasting Dehydration - Costa Rican Coffee Bean Roasting Easily Becomes Sour and Astringent
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). FrontStreet Coffee's Costa Rican coffee roasting curve - Medium roast is the most difficult range to control. Of course, I'm not trying to say that my light roast and dark roast are excellent, but because medium roast has too many possibilities for roasted products, too many overlapping fuzzy ranges, accompanied by extremely small margins in roasting.
2019-12-07 Costa Rica coffee beans roasting dehydration easily becomes sour and astringent professional coffee knowledge