Coffee prepared in a cezve is bitter. What to do?

True coffee connoisseurs appreciate this drink for its inherent bitter taste. Many call it piquant, sophisticated and sophisticated. But some consumers try to disguise this bitterness by adding various seasonings, milk or cream to the drink. What should I do if my coffee machine starts making overly bitter coffee? What is this, a manifestation of a technical malfunction or an error in choosing the type of grain?

Is there bitter coffee in the coffee machine? Sometimes this indicates a breakdown of some equipment parts. Service technicians will carry out professional repairs of coffee machines at home in Moscow. To arrange a visit from a specialist, you need to call or order a call back on the website. The company works from 7:00 to 23:00 without breaks and weekends.

Why coffee tastes bitter: technical background

Coffee brewing is a science, and the main reason for the bitter taste may be extraction. Extraction is a method of extracting a substance from a dried consistency or solution using a solvent. It is thanks to him that clear water in a cup is transformed into a beautiful drink. When water is mixed with coffee base, a chemical reaction occurs that reveals the smell. The trick is to extract good flavor notes, not bitter ones, which can take a long time to develop.

Here are a few circumstances that could leave your drink with a nasty aftertaste. By paying attention to them, it will be easy to always drink only delicious coffee.

You haven't changed your coffee for a very long time

This is especially true for French presses. It is used in the following way: heat a glass test tube with hot water, pour medium-coarse coffee into it, add water, allow time to brew, and then lower the plunger, sifting out the coffee particles. When the grounds remain in the French press for a very long time, when filling the next cup, the drink will be more bitter. If the drinking process takes a long time, then pour it into a thermal carafe. This way it will retain its warmth and beautiful taste.

Dirty equipment

The condition of the utensils and other cooking utensils also affects the taste. The remaining grounds deposited on the walls of the cup add bitterness when the drink is re-brewed.

Taking into account these simple subtleties, you can enjoy delicious coffee once a day.

Should coffee be bitter?

Some recognize as coffee only that drink that contains a pronounced bitterness; they frown at even the remotest sourness and say with a dissatisfied expression: “Something is sour. Apparently 100 percent Arabica. What kind of Arabica espresso?”

Others, on the contrary, do not accept any bitterness, considering it a defect - a consequence of overcooking the grain or overextraction.

So should coffee be bitter? And to what extent? Sourness, no matter how those who love Robusta consistency may protest, is still a natural component of coffee, but bitterness, what is its origin?

Bitterness is an attribute of any coffee, to some extent, along with acidity, sweetness, bitterness and other aromatic compounds. And its origin is different. This includes the bitterness of alkaloids (substances that influence the bitterness of plants), the bitterness from the Browning reaction during the caramelization process (the reaction between reducing sugars and amino acids), and the bitterness of other compounds such as quinic acid.

Alkaloids are bitter substances found in plants. They can be slightly poisonous, sometimes have a medicinal effect, and they taste bitter. Theobromine, found in chocolate, is an example of an alkaloid. Coffee contains slightly bitter caffeine and rather bitter trigonelline.

Caramelization. During this process, sugar acquires a bitter taste, often quite pleasant. Imagine the pleasant bitterness of dark caramel.

In addition, there are a huge number of bitter compounds in the world, one of which – quinic acid – is tart and bitter at once.

So: coffee contains all of these bitter compounds and many more. So bitterness is certainly part of the complex taste of coffee. But it shouldn't be dominant. When people say that “this coffee is not bitter,” they most likely mean that the bitterness is balanced by other components—sweetness, acidity, aroma, even perhaps saltiness. Remember that products such as chocolate and caramel also have an inherent bitterness as a component. In other words, the charcoal bitterness of over-roasted grain or the chemical bitterness of overextraction is one thing, and completely different, for example, rowan or caramel bitterness. The art of roasting and making coffee lies in preventing unpleasant bitterness from entering the taste, while leaving a pleasant bitterness that creates balance.

Why does coffee seem bitter?

Many consumers cannot imagine coffee without a specific bitterness, which provides the drink with unique taste characteristics, balancing other notes and smells of the drink, harmoniously complementing them. When describing coffee bitterness, connoisseurs use the epithets “exquisite”, “unique”, “fine” and others.

Bitter taste is a common attribute of natural coffee. Depending on a number of reasons, the strength of bitterness can be either pronounced, or moderate, or only slightly perceptible.

Scientists usually mention 3 main factors that form bitterness in a drink and influence its intensity:

• Variety Coffee blends in which Robusta predominates have a more pronounced bitter taste. Arabica in its pure form and as a base for blends, on the contrary, is virtually devoid of this coffee feature;
• Roasting. The bitterness of coffee beans directly depends on the degree of their roasting: the stronger the heat treatment, the more bitter the coffee;
• Manufacturing method. For some drinks, a bitter taste is considered a common and even unavoidable attribute. Traditional espresso, for example, is characterized by a pronounced coffee bitterness.

Problem caused by coffee brewing equipment

So, you are confident in the quality of the coffee beans and water, but there is still something wrong with the drink. You should pay attention to the equipment you used during the cooking process.

The devices are dirty

Many people believe that there is no need to thoroughly wash cutlery equipment every time. It's just coffee, just rinse with water.

In fact, this opinion is wrong. The coffee maker must be washed thoroughly. Often people limit themselves only to the compartment for ready-made coffee and filters.

When was the last time you cleaned your water tank? If you can't remember, now might be a good time to give the insides a good cleaning.

Tip: Clean your coffee maker properly. Your taste buds and immune system will thank you.

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The equipment is outdated

No one doubts that your favorite coffee pot has gone through fire and copper pipes with you. He gave you pleasant moments even on the worst days. But nothing stands time.

The quality of the drink has sharply decreased for no obvious reason, while at the same time the coffee beans are not satisfactory, the water is filtered, and the equipment has recently been thoroughly washed - some kind of coffee mysticism. You may need to replace your coffee maker after all.

Solution: If “coffee gadgets” begin to act up, repairing them may be too expensive and simply unprofitable; repairs may cost more than a new one, for example, a coffee grinder or coffee maker. So start looking for a replacement.

9. You're using the wrong equipment

We often don't pay enough attention to what equipment we use. Espresso coffee brewed in an espresso machine can be a pleasant surprise, since the brewing technology using this particular method will be followed in detail. The quality of the drink improves compared to universal coffee makers.

We fully support your desire to find workarounds (especially if you're on a budget), but some coffee lovers are looking to take the coffee drink to a new, higher level of understanding. In this case, it is advisable to purchase an expensive coffee machine.

Pay attention to what you drink your coffee from. We hope you don't drink coffee from plastic cups. If yes, we do not recommend doing this. For home use, glass and ceramic mugs are most suitable. If you like to drink coffee while traveling, a metal mug will come in handy.

Where does the bitterness come from?

Research has even been conducted to find the source of specific coffee bitterness. Thus, scientists from the USA and Germany have refuted the common misconception that caffeine creates a bitter taste. They concluded that the amount of caffeine in the bitter taste is less than 15%. You can verify this using the usual method: just compare the taste of coffee with caffeine and without caffeine (the intensity of bitterness is actually similar). This statement is also supported by the fact that instant coffee containing caffeine is not bitter at all.

The intensity of roasting was recognized as a result of research work as the main reason influencing the presence and intensity of the bitter taste of coffee. The process of heat treatment of grains triggers chemical transformation inside the grains. The time and intensity of processing affects the content of bitter compounds and, accordingly, the bitterness of the drink. Among the substances that can stimulate the bitter taste of coffee, scientists have identified two classes: phenylindanes and chlorogenic acid lactones. Both are antioxidants and are formed during heat treatment.

Overextraction matters

It has been said more than once that coffee in a cezve should not be brought to a boil. Having boiled, coffee not only acquires a characteristic unpleasant bitterness, but also loses most of the flavoring and aromatic substances for which it is valued.

Moreover, you cannot bring coffee to a boil 3 times, as coffee lovers sometimes do. Triple overextraction can make even the most expensive elite light-roasted Arabica bitter and flat.

Interesting fact. The Turks themselves do not pour cold water into their coffee, but heat it to 60 degrees. Moreover, this standard for baristas is even specified in the rules of the Turkish Specialty Coffee Association. This is done in order to reduce cooking time, and therefore extraction.

Conclusion: the shorter the preparation time, the less bitter the coffee turns out.

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Choose coffee on TEA.RU

An impartial and personal perception of coffee bitterness

The intensity of bitterness in the drink, not counting the rest, may also depend on the recipe. The more coffee you use to make one serving, the more pronounced and, accordingly, bitter the taste will be. Many coffee lovers prefer this particular, bitter and rich taste of the drink. Essentially, there is no one standard for how bitter coffee should be. The norm in each specific case should be determined by personal preferences, cultural characteristics, and even well-being or mood. It is well known that taste perception and gastronomic preferences can change over the years, also under the influence of certain other reasons.

Indescribable, but true: the taste of coffee and the strength of the perceived bitterness depend not only on the parameters of the ingredients, but also on the color of the cup in which it is served. Australian scientists conducted a study, which ultimately proved that coffee in a blue or transparent mug is perceived as less bitter than a drink in snow-white dishes. Researchers explain this fact by saying that coffee in a snow-white cup is perceived as browner and, accordingly, more bitter.

Methods for making coffee in a coffee machine

There are several types of coffee preparation in a coffee machine (coffee maker). Let's focus on the basic ones and consider their key features:

• Espresso is an independent drink that serves as the basis for many recipes. Has the richest taste. Volume 30 ml.
• Americano : 120 ml of water is added to 30 ml of espresso, which is passed through a coffee cone. Mild taste and large dose of caffeine.
• Cappuccino : top espresso with hot milk frothed to form a 150 ml drink.
• Latte . The first layer is warm milk. The second layer is whipped milk into foam. Espresso is poured on top, which eventually settles down, imparting its aroma to the milk. The drink is served in a 250 ml glass.
• Viennese coffee : A double dose of espresso is topped with a dollop of whipped cream.
• Glace - Americano with a scoop of ice cream.

How to deal with bitterness?

There is an effective method to reduce the intensity of bitterness in a finished drink. To do this, you need to pour a pinch of salt into a cup: sodium ions eliminate the bitter taste. This property of salt is understandable in almost all countries where drinking coffee with salt is a tradition (Turkey, Hungary, Norway).

The proportions of water and coffee, temperature and time of production, preparatory preparation of dishes and many other reasons can significantly influence the taste of the drink. Constant experience and skill acquired over time allow us to find an impeccable recipe for making it, in which the bitter aftertaste and other flavor and aromatic notes of coffee will be perfectly combined in one cup.

Reasons why coffee may taste bitter and how to remove the bitterness.

Many coffee lovers appreciate their favorite drink for its bitter taste. There are also those who do everything possible to remove this taste color. It was previously believed that the more caffeine, the stronger the bitterness. Scientists were able to prove that there is no connection here. Still, it’s worth understanding why coffee from a coffee machine or Turkish coffee tastes bitter and what affects the intensity of the taste.

Natural or flavored

Coffee counters offer a large selection of flavored coffees with hints of vanilla, Irish whiskey, orange, amaretto and chocolate, but keep in mind that these are chemical, not natural, additives. If you want to enjoy the real taste of coffee without any extraneous notes, buy beans without additional aromatic “decor”.

Winston Churchill said that coffee is a very personal drink, so, like good cognac, it should not be drunk in huge mugs. And John Galsworthy believed that there were things to which one could not be faithful - for example, coffee. However, if you belong to the category of gourmets who change coffee like gloves, treat each variety personally and do not neglect the quality - in this case, unearthly pleasure is guaranteed!

Many coffee lovers appreciate their favorite drink for its bitter taste. There are also those who do everything possible to eliminate this flavor. It was previously believed that the more caffeine, the stronger the bitterness. Scientists have been able to prove that there is no connection here. Nevertheless, it is worth understanding why coffee from a coffee machine or Turkish coffee tastes bitter and what affects the intensity of the taste.

Why is coffee bitter?

Greenish Arabica and Robusta beans do not have a bitter taste. It begins to appear during roasting. The prerequisite for such configurations are derivatives of chlorogenic acid. They are formed during heat treatment. Initially, the release of lactones is noted. Then they decompose into phenylindanes. The bitterness of the product depends on the concentration of these parts. The volume depends on a number of reasons:

• variety. It has been noted that robusta has a more bitter taste. Arabica has a sour flavor. Accordingly, if ground robusta is used during the manufacturing process, the drink will be more bitter;
• degree of roasting. The longer the grains are heat treated, more parts are released. Fans of a bitter drink should give preference to dark beans that have been heavily roasted;
• manufacturing development. It is noted that at high temperatures and pressures even more substances are released. That’s why ready-made espresso always has a bitterness. This note is considered one of the main notes of the popular drink.

Separately, it is worth highlighting another influencing factor - the choice of grinding degree. If during production in a Turk you need beans crushed into powder, then this option will not be suitable for a coffee machine. Extremely long extraction will result in a distinctly bitter taste.

Why can coffee be bitter, and what can you do about it?

photo: Mike Kenneally/unsplash.com

If, for example, you get bitter coffee, the easiest way is to blame the beans, and this will not always be true. Do not rush to throw the purchased product in the trash. First try to “tune” two parameters. Which ones should you pay attention to first and what to do with them, answer specialists from the Atlas Coffee Club company.

A company representative explained that bitterness can be the result of two things done incorrectly - not cooking long enough and not grinding fine enough:

“If the coffee tastes a little bitter, it may not have been extracted enough*. This can easily happen when you don't brew your coffee long enough or the grounds are too thick. A quick fix for this problem is to brew the coffee a little longer or adjust the grind size so it's a little finer (note: that is, the granules of the ground beans are smaller).”

The most bitter coffee

Bitter Arabica coffee is quite difficult to make. This variety is characterized by a milder taste. Still, bitter notes are pronounced in Arabica Honduras and Arabica Ethiopia Mocha. To give it the desired flavor, ground pepper is often added to it.

The most bitter coffee is Liberica. It is classified as a technical grade that is added to other coffee mixtures. This is justified by excess strength and bitterness. In second place is Robusta. Accordingly, the desired effect can be achieved by acquiring consistencies with a high concentration of this type of fruit. In all this, the brand is not particularly important.

The main thing is to look at the composition. The package should contain a maximum of Robusta and a small amount of Liberica. Arabica should not predominate.

Which country has the best coffee?

• Kenyan coffee is one of the usual, but very high-quality varieties. It is perfectly balanced in both acidity and aroma.
• Costa Rica – coffee with light hints of chocolate and very airy, reminiscent of sweet honey.
• Ethiopian – rich, very chocolatey.
• Hawaiian coffee is very fruity, very aromatic.
• Kenyan - has a light chocolate flavor.
• Africa. Fruity or floral notes.

Brazil, Guatemala and Mexico. Chocolate and nutty notes.

How to reduce bitterness

Even though a unique, generous bitterness is a distinctive feature of certain types, for many, the fact that espresso, Americano or cappuccino is bitter becomes a real problem. The first thing we can recommend is to opt not for Robusta, but for Arabica. These grains are characterized by a softer, sour taste. If the product has already been purchased, you can use the following tips:

• salt. When making the drink, it makes sense to mix ground coffee with a small amount of salt (at the tip of a knife). You can also add it specifically to the cup. This product contains sodium ions, which reduce bitterness. With all this, the salt is not felt in the cup, but the taste changes significantly;
• cream or milk. Milk products can easily be removed from unpleasant tastes. In addition, they give the drink extraordinary tenderness and lightness;
• production at low temperatures. You can brew coffee in a Turk or any other low-temperature method. Salt will help remove bitterness in a coffee machine. Without adding it, it is problematic to achieve the desired result;
• cup color. It’s worth trying to pour an invigorating drink into a blue, black or brown container. It has been confirmed that people often feel a bitter taste when drinking coffee from a snow-white cup. Most likely, this happens due to the contrast of colors. The liquid appears darker and therefore stronger. Because of this, the taste properties are slightly distorted.

How to choose the best coffee based on brewing method

Which coffee suits your favorite brewing method?

• French press. Coffee from Guatemala, Brazil and Sumatra.
• Turk. Coffees with a medium body and higher acidity are excellent as poured. A paper filter and shorter brew times create the perfect cup. Coffee from Central America, Costa Rica or Panama.
• Coffee machine. Espresso, cappuccino, latte. Coffee from Central America is suitable, as well as blends. They will be the most balanced.

Why is coffee from a coffee machine bitter?

If the cappuccino in a geyser coffee maker is bitter, the reason most likely lies in the incorrect grinding degree. This factor also affects the taste of the espresso prepared in the coffee machine. Usually, if the automatic device is configured correctly, the problem is immediately eliminated. After all, the taste and richness of the drink depends on this aspect. It is noted that the smaller the grind, the more bitterness. This is justified by the fact that small fractions have a larger surface area than large ones. Accordingly, they give away the greatest amount of substances contained in them. You just need to adjust the options. The degree of grinding should not be small.

It is also possible that the variety was selected incorrectly. Perhaps the grains initially have an extremely pronounced smell and taste.

The reason why espresso in a coffee machine comes out bitter is due to extremely long extraction. The following reasons can provoke this:

• more than eight grams of ground grains are consumed per serving;
• the degree of grinding of the product is extremely small;
• significantly powerful compaction;
• water heats up to more than 92 degrees;
• pressure exceeds 9 atmospheres.

To resolve the problem, check the following:

• at what temperature is the product stored;
• how finely the grains are ground;
• whether the knives in the coffee grinder are dull;
• the amount of product used per cup of espresso;
• pressure level;
• whether the cone or sieve in it is clogged;
• to what temperature does the water warm up?

Usually, with all this, the problem can be found and corrected without the help of others. If this does not work, you should contact a service center for help. It is possible that the coffee machine itself is faulty.

Not many people like the bitter taste of the coffee drink. If desired, it can be removed by resorting to some easy tricks. It is also worth taking seriously the choice of variety and manufacturing technology. In almost everything, taste properties depend on these criteria. For lovers of this bitterness there is also a solution. Certain varieties of fruits are characterized by pronounced bitter notes. In addition, it is much more noticeable in very roasted grains. They should be given preference in order to achieve the desired result.

Why is coffee bitter?

Many coffee connoisseurs adore this drink for its special, bitter taste, while others try to reduce the bitterness with milk and spices. It was previously believed that the bitter taste of coffee was caused by caffeine, but recent research has shown that this is not the case. German and South American scientists have figured out why coffee is sometimes perceived as too bitter, what specifically affects the intensity of the taste, and how to reduce the bitterness of coffee if you don’t like it.

Why is coffee bitter?

Greenish coffee beans have practically no bitter taste; it manifests itself exclusively during the roasting process. And the reason for it is not caffeine (it makes up only 12-15% of bitterness), but special substances, derivatives of chlorogenic acid, which are formed in the grain when heated: first, lactones are released, then they break down into phenylindanes. As studies have shown, the degree of bitterness of fried grains depends specifically on the number of these parts. But their volume depends on several reasons.

1. Type of coffee. Typically, Robusta is more bitter, while Arabica is more sour. Robusta beans initially contain more caffeine and bittering substances, so the bitterness of the drink will be more pronounced.
2. Roasting. The longer the grains are roasted, the more different parts appear in them. If you like bitterness, choose deep roasting and black beans.
3. Manufacturing method. The higher the temperature and pressure, the more substances will be released. This is why espresso is always bitter, and this note is one of the important components of the taste of the right drink.

Interestingly, chlorogenic acid itself does not have a bitter taste, but its derivatives are what mainly form it.

Why is instant coffee not bitter?

All types of instant coffee are generally not bitter, and this does not depend on the production method. During the process of brewing the extract under enormous pressure, bitter substances are released and disintegrate, and that is why instant coffee is 40-50% less bitter than natural coffee. In general, if you would like to drink less bitter coffee, it is better to experiment with varieties and additives rather than harm your body with instant coffee.

Why is decaffeinated coffee bitter?

As mentioned above, caffeine contributes less than 12-15% bitterness to the taste (depending on the variety and roast). Everything else is a matter of chlorogenic acid derivatives. And that’s why good decaf coffee does not differ in taste from natural coffee: the bitterness and sourness are the same as in ordinary coffee. The colors of the taste can only be distinguished by professional tasters.

What types of coffee are suitable for coffee machines?

The best option for coffee machines that most people will enjoy is a medium roast, medium grind bean with a ratio of 80% Arabica and 20% Robusta without any modifications. The best manufacturers in this category, according to reviews of many coffee connoisseurs, are Lavazza, Kimbo Extra Cream, Lucaffe Classic.

For lovers of a mild taste with a minimum of bitterness, you should choose Malongo, Gutenberg, Totti, Paulig, Dallmayr.

The best options for the strongest and most invigorating coffee : Danesi Classic, Caffe Diemme, Caffe Vergnano.

With a strong bitterness and a long aftertaste, there is Pascucci Extra Bar Classic coffee, it contains 40% robusta and is dark roasted.

Manufacturers often recommend purchasing only “espresso blends.” In fact, you can use any coffee, as long as the beans are not mixed with flavorings and are roasted without adding sugar.

How to reduce the bitterness of coffee

Despite the fact that a generous, unique bitterness is a distinctive feature of certain types, there are people who prefer the least bitter coffee. Firstly, you can choose not robusta, but Arabica, preferably high-altitude ones (there is more acid and a minimum of bitterness), or use blends of Arabica with Robusta, and secondly, if you have already purchased coffee, its taste can be adjusted:

• Add salt at the tip of a knife, to the ground coffee, or directly into the cup. There are sodium ions that compensate for the bitterness, reducing it. Just a small amount is enough, you won’t feel the salt in the cup, but the taste will change. Coffee with salt is worth trying.
• Add milk or cream. Milk products perfectly remove the bitter taste of the drink.
• Brew coffee in a Turkish coffee pot or brew it using another method, at low temperature and with the lid open. In a coffee machine, everything is the opposite, and that’s why the espresso comes out so bitter. Again, you can add a little salt to coffee from a coffee machine.
• Try pouring coffee into a blue, brown or black cup. Inexplicably, scientists have tested: many people actually consider coffee to be more bitter if it is poured into snow-white dishes. Maybe because of the contrast of colors it seems darker, which means stronger, and is perceived as more bitter.

1. Coffee is bitter not because of caffeine, but because of chlorogenic acid derivatives that are released when the beans are roasted.
2. The darker the roast, the more bitter the coffee will taste.
3. Robusta is more bitter than Arabica.
4. Instant coffee is not bitter because the substances that impart bitterness are boiled out of it.
5. Decaffeinated coffee is almost the same bitter as regular coffee, the difference in taste is imperceptible.
6. To reduce the bitterness, you can add a little salt to the drink, cook it in a pot over low heat, or try pouring it into a black cup.

The best coffee tastes the same!

The main thing for the manufacturer is to maintain a consistent taste of coffee from batch to batch , so that the buyer, savoring beans of a certain brand, receives a consistently identical taste in each pack. One brand of coffee can include up to 50 varieties of coffee from different countries. But on the other hand, if you buy the same brand of coffee in Paris, St. Petersburg and New York, it will taste slightly different. By the way, coffee of the same brand may taste different not only in different countries, but also in cities of the same country.