Is matcha bitter? Myth or reality

Par Valentin Van Nhut

Usage / Consommation

You've heard about the many benefits of matcha, but one question still holds you back: Is matcha really bitter? You may be surprised to learn that the answer depends on several factors. Discover now how to combine the right criteria to enjoy matcha without bitterness, in all its richness.

Is matcha bitter: the short answer

Matcha can be bitter, but it depends on: the quality of the product, how it is grown, and how it is prepared. While some matcha teas can have a bitter taste, others reveal smooth and vegetal notes..

Here's what you need to know to avoid bitterness and fully enjoy this Japanese tea :

Matcha quality: The ceremonial grade matcha (high-end) is smooth and rich in umami, while low-end matcha is often more bitter and astringent.
Cultivation and harvesting: Shade-grown leaves realised early (first harvest) contain more L-theanine , an amino acid that balances bitterness.
Preparation: Water that is too hot (above 80°C) or improper storage will accentuate the bitterness. Prepare it with water between 70°C and 80°C for a balanced taste.

Tip: Sift the powder, use a bamboo whisk (chasen) and adjust the proportions to limit bitterness. With the right technique, matcha reveals its full richness and flavours.

The composition of matcha and its influence on taste

Why are some matchas smooth and velvety, while others leave a bitter taste in the mouth? It's all about chemical composition. Here's how the main components of matcha influence its flavour and quality.

The chemical compounds that shape the taste of matcha

The unique taste of matcha—sometimes smooth and umami, sometimes more bitter—can be explained by its rich chemical composition. Understanding these natural elements allows you to choose your matcha more wisely and, above all, prepare it better.

Among the most influential compounds:

Polyphenols, which can account for up to 30% of the dry weight of green tea, are known for their antioxidant properties. It is these polyphenols, particularly catechins, that give matcha its sometimes astringent notes.
Caffeine, present in significant quantities (between 18.9 and 44.4 mg/g), contributes to the lively taste and energizing effect typical of matcha.
Chlorophyll, which is promoted by shade cultivation, gives matcha its intense green colour and fresh, vegetal aromas.
Other compounds such as rutin, quercetin, and vitamin C enrich the nutritional and aromatic profile of matcha green tea. Rutin, in particular, is present in much higher concentrations than in other types of green tea.

You can learn more about the health benefits of matcha to understand how these compounds also affect your health.

Let's now take a closer look at how catechins and L-theanine, two key molecules, directly influence the taste of matcha.

How catechins and L-theanine shape taste

Catechins are primarily responsible for the bitterness and astringency of matcha. Among them, EGCG (epigallocatechin-3-gallate) dominates, accounting for about 50-60% of the catechins present. It is one of the most active compounds in matcha.

On the other hand, L-theanine, an amino acid, is responsible for the smooth notes. It acts in particular on the perception of bitterness through molecular interactions, creating a subtle balance in the aromatic profile. Matcha contains up to five times more L-theanine than classic green tea, an effect directly linked to shade cultivation.

The combination of L-theanine and caffeine also plays an interesting role: it softens the stimulating effects of caffeine while improving focus and alertness. These biochemical nuances explain why different grades of matcha have varied flavor profiles.

Why different grades of matcha have distinct flavors

The varied flavours of different grades of matcha come mainly from their chemical composition, which is influenced by the quality of the leaves, growing conditions, harvest time, and manufacturing methods.

A ceremonial grade matcha, such as Yabukita organic matcha, is made from the young leaves of the first harvest, shade-grown to develop a high level of chlorophyll and L-theanine. This method produces a bright green matcha that is smooth, rich in umami, with a fine texture and a creamy finish.

The premium grade, as with organic premium matcha, comes from the second harvest. It retains a beautiful complexity, with a balanced taste that is slightly less intense than ceremonial grade, perfect for everyday use.

Culinary grade, such as Kumiko matcha's classic organic matcha for lattes and cooking, is made from more mature leaves with a higher concentration of catechins, which gives it a more pronounced bitterness. It is ideal for pastries and cooking.

The standard grade offers a lighter flavour with a slight bitterness, perfect for simple drinks such as lattes or milkshakes.

Finally, industrial grade is a basic quality, often used in processed products. Its taste is more bitter, with a less vivid colour and a coarser texture.

Grade	Sheets used	L-theanine content	Catechin content	Taste profile	Primary usage
Ceremonial grade	Young, first harvest	Very high	Moderate	Smooth, umami, vegetal, complex	Ceremonial grade, pure tasting
Premium grade	Second harvest	High	Average	Balanced, slightly smooth	Everyday usage, drinks
Culinary grade	More mature leaves	Low	High	Bitter, astringent	Culinary grade, pastries
Standard	Mature leaves	Average	Average	Light, slightly bitter	Simple beverages
Industrial	Older sheets	Low	Very high	Bitter, harsh	Processed products

These chemical and sensory differences explain why each grade of matcha is suited to different uses and budgets, while offering its own unique taste experience.

What makes some matcha teas more bitter than others

L' bitterness of matcha depends on other factors, including the quality of its production and the techniques used to prepare it. Contrary to what one might think, this bitterness is not inevitable: it results from specific choices made during cultivation, processing, and preparation. By understanding and mastering these aspects, one can fully appreciate the unique flavours of matcha. Let's dive into the elements that influence its taste, starting with the importance of region and quality, then exploring preparation techniques.

How quality and growing region influence bitterness

The region of origin of matcha plays a key role in its flavours. In Japan, producers use meticulous agricultural techniques, perfected over centuries, to enrich the soil and provide ideal conditions for tea plants. These careful methods result in leaves that are rich in nutrients and less astringent. Conversely, shaded products tend to be more bitter due to a higher concentration of certain compounds.

Each region of Japan brings unique features to the matcha it produces:

Region	Taste profile	Special features
Uji	Herbaceous notes, umami, slight creaminess	Iconic terroir with an ideal microclimate
Fukuoka	Deep, slightly toasted flavours	Specific transformation techniques
Kagoshima	Mixture of vegetables, bitter, sweet, and umami	Complex balanced flavour profile
Aichi	Vegetal, sweet, and rich in umami	Marked natural sweetness

Take Shizuoka, for example, a region that produces nearly 40% of Japan's tea. Its unique microclimates directly influence the growth of tea plants, giving matcha specific and varied flavours.

Further down in the item, you will learn how to recognise high-quality matcha.

Water temperature and blending methods that reduce bitterness

The way you prepare your matcha greatly influences its taste, especially its bitterness. The temperature of the water and the method used have a major impact on the taste of matcha.

Hot water accentuates the bitterness, while thorough whisking and careful mixing reveal its natural sweetness.

A few simple tips will help bring out all its sweetness and richness. These will be explained a little further on.

How to choose a matcha that won't be bitter

To enjoy a matcha with balanced flavors and avoid excessive bitterness, it is essential to select a high-quality product. This involves analyzing its sensory features, origin, and certifications. These elements ensure a matcha that is rich in umami, naturally smooth, and pleasant.

What good matcha looks and feels like

To identify a high-quality matcha, several sensory criteria must be taken into account.

Colour is a key indicator. A high-end matcha has a shade intense and luminous jade green . If yellowish or brownish discoloration appears, this may indicate oxidation or inferior quality.
L' aroma is just as revealing. A good matcha gives off a smooth, vegetal scent , sometimes accompanied by buttery notes or a fresh scent reminiscent of grass or green vegetables. On the other hand, a rancid, dry, or musty smell is a sign of a product to avoid.
La texture also plays a crucial role. A premium matcha must be extremely fine and silky , with particles of microscopic size (5 to 10 microns). A grainy or rough texture is often a sign of an inferior product that may be more bitter.
Finally, the goût is decisive. A high-quality matcha offers a balance between natural sweetness, umami notes marked and a slight bitterness in the aftertaste. Ceremonial grades, in particular, are distinguished by their smooth finish and low bitterness, unlike culinary grades, which are often more astringent.

Feature	Premium matcha	Lower quality matcha
Colour	Intense and luminous jade green	Yellowish or brownish
Smell	Smooth, vegetal, buttery	Rancid, dry, or moldy
Texture	Very good, silky	Grainy, rough
Drop	Smooth, umami, subtle aftertaste	Bitter, astringent

In addition to these criteria, it is essential to examine the origin and certifications to guarantee an authentic product.

Why certifications and traceability matter

La provenance is an essential factor. Authentic matcha is grown exclusively in Japan, where traditional cultivation methods date back to the 16th century. Regions such as Uji, Nishio, and Yame are world-renowned for producing exceptional matcha.

Les organic certifications , such as label JAS Organic , guarantee that the matcha has been grown without chemical pesticides or synthetic fertilizers. This Japanese label imposes strict controls on soil management, cultivation, and manufacturing processes. Thanks to international equivalencies, these certifications facilitate the importation of high-quality matcha.

To make an informed choice, favor transparent suppliers which indicate the region of production, the harvest period (ideally the first harvest ) and the cultivation methods used. This information guarantees the authenticity of the product and helps avoid unpleasant surprises.

L' packaging is another element that should not be overlooked. Premium matcha is packaged in a airtight and opaque container , designed to protect it from moisture and light, which accelerates oxidation and amplifies bitterness. Avoid transparent or poorly sealed packaging.

Finally, be wary of claims such as "pesticide-free," which can sometimes be used in a misleading way. Only trust official certifications, which guarantee rigorous controls at every stage of production.

Simple methods to reduce the bitterness of matcha

Preparing matcha can transform an overly bitter drink into a balanced and enjoyable experience. The techniques used directly influence its taste, highlighting its natural sweetness while reducing its astringency.

Ideal water temperature and proportions

La water temperature is a key factor in controlling bitterness. For a perfect balance between umami, sweetness, and astringency, aim for a temperature of between 70°C and 80°C . Hot water accentuates bitterness by extracting more caffeine and tannins.

If you don't have a thermometer, let the boiling water cool for 1 to 2 minutes. You can also pour the water into another container to quickly reduce its temperature by 5 to 10°C. In hot weather, it may be necessary to repeat this transfer several times.

Les proportions are just as important. A classic preparation uses 1 to 2 grams of matcha (equivalent to 1 to 2 bamboo scoops or ½ teaspoon) for 75 to 100 ml of water A simple rule of thumb is to mix 2 scoops of matcha with 60 to 70 ml of hot water.

Temperature	Effect on taste	Usage
60 °C	Highlights L-theanine for a smoother taste	Delicate matcha, ideal for beginners
70 °C-80 °C	Perfect balance between umami and sweetness	Standard preparation
80 °C+	Accumulated caffeine extraction and more bitter taste	To be avoided in order to limit bitterness

Once you have mastered the temperature and proportions, it's time to move on to the whipping stage to perfect the texture.

Simple recipes to soften the taste of matcha

The fouettage plays a crucial role in obtaining a harmonious drink. Before you begin, soak your bamboo whisk in water for one minute to soften its strands. Then, whisk the matcha powder forming a "W" for about 30 seconds . This will give you a fine, creamy froth .

For a smoother texture, always sift the matcha before preparing it. This removes lumps and makes it easier to mix.

If you find matcha too intense, try a matcha latte. Mix ¼ teaspoon of matcha with 60 ml of hot water , then add 180 ml of warm milk (such as oat milk) for a smooth and velvety drink . This variant is perfect for discovering matcha without being overwhelmed by its natural bitterness.

In summary: Find the matcha flavor profile that suits you best.

In short, to fully enjoy the flavors of matcha without experiencing its bitterness, here are a few simple but essential steps to follow:

Choose the right grade
Select a high-quality matcha
Respect the correct proportions
Control the water temperature
Prepare it correctly
Add accompaniments if necessary.
Store it in good conditions

In case you were wondering: le Is matcha bitter? Now you know that by adjusting these elements, you can fully appreciate the richness and diversity of flavours offered by matcha.

FAQ on the bitterness of matcha

Is matcha tea more bitter than regular green tea?

Matcha may seem more American because it is whole green tea powder, and therefore more concentrated. However, superior-quality matcha, especially ceremonial grade, is often smoother and richer in umami flavours compared to classic brewed green tea. Bitterness depends mainly on the quality of the leaves, how they are grown, and how the matcha is prepared.

Is bitter matcha less healthy?

Not at all. Bitterness does not mean that matcha is of lower quality or less healthy. In fact, some bitterness comes from catechins, antioxidants that are beneficial to health. However, a balanced matcha, which combines sweetness and umami thanks to the presence of L-theanine, is often more pleasant to drink and just as beneficial.

Can matcha be sweetened without adding sugar?

Yes, there are several methods to naturally reduce bitterness. For example, using water at a lower temperature (around 70°C) extracts less bitterness. Adding plant-based milk such as almond or oat milk creates a smoother, rounder texture in the mouth. These tips allow you to fully enjoy the taste of matcha without using sugar.

Is bitter matcha expired?

Not necessarily, but poorly stored matcha can become bitter over time. Exposure to light, air, or moisture can alter its aromas and make it less pleasant. If your matcha has lost its vibrant green color or has a dull smell, it is often a sign that it has lost its freshness and quality, which can accentuate bitterness.