Matcha: EGCG & L-Theanine Simply Explained

Bright green, whisked to a creamy froth, lightly tart – a bowl of matcha is a small ritual. And unlike steeped green tea, here you don't just drink what passes into the water: with matcha, you drink the whole leaf as a fine powder. That's exactly what makes it so intense – in colour, flavour and caffeine content.

In short: matcha is shaded, stone-ground green tea (Camellia sinensis). Two ingredients in particular are well known: the catechin EGCG and the amino acid L-theanine. And because you drink the whole leaf powder, matcha contains noticeably more caffeine per bowl than steeped tea.

The Key Facts at a Glance

• Matcha is finely ground, shaded green tea – you drink the whole leaf as a powder.
• EGCG (epigallocatechin-3-gallate) is the best-known catechin in green tea; L-theanine is a characteristic amino acid of the tea plant.
• Matcha contains caffeine – depending on quantity and preparation, at times clearly noticeable, more than in steeped tea.
• You can spot quality by a lively green, a fine grind and clear provenance.
• Matcha carries a centuries-old tradition from the Japanese tea ceremony – and works just as well today for baking, smoothies or porridge.

What Is Matcha – and What Makes It Special?

Matcha comes from the same plant as green and black tea: Camellia sinensis. What makes it special lies in cultivation and processing. A few weeks before harvest, the bushes are shaded. After harvest, the leaves are steamed, dried, stripped of stems and veins, and finally ground into a dust-fine powder in stone mills. Because you whisk the powder fully into water and drink it too, you take in the leaf's components more directly than with a classic infusion – and that's exactly why matcha comes across so much more intense in colour, flavour and caffeine content than a cup of green tea.

Matcha thus belongs to the large green tea family, but differs fundamentally from steeped varieties through this preparation method. Compare it to other pick-me-ups and you quickly land on the classic green-tea-versus-coffee debate – more on that shortly.

EGCG and L-Theanine: the Two Stars in the Leaf

EGCG stands for epigallocatechin-3-gallate and belongs to the catechin group – plant polyphenols partly responsible for green tea's light, tart flavour. EGCG is the most-studied catechin in the tea plant and a key reason green tea gets so much attention in nutrition research.

L-theanine is an amino acid found mainly in the tea plant. It contributes to the characteristic, faintly "umami" taste of high-quality, shaded tea. Together with the tea's natural caffeine, L-theanine is one reason many people describe matcha's wake-up effect as gentler and more even than pure coffee – an interplay of two plant compounds that sets matcha apart both in taste and experience from other caffeine sources.

Caffeine in Matcha: Worth Keeping an Eye On

Because you drink the whole leaf powder with matcha, the caffeine content can be noticeable – depending on the amount of powder per bowl and the number of bowls. If you're sensitive to caffeine, pregnant or breastfeeding, keep the total amount from all sources (coffee, tea, cola, energy drinks) in view and enjoy matcha in moderation. In the late afternoon or evening, caffeine can affect sleep – good reason to schedule your last bowl earlier in the day.

Recognising Quality and Preparing It Right

With matcha, quality directly determines flavour and experience. What to look for:

• Colour: lively, rich green – not dull yellowish.
• Consistency: very finely ground, dust-fine, barely clumps.
• Origin & testing: clear origin details, lab testing, organic quality.
• Preparation: whisk with water at around 70–80°C, hot but not boiling – water that's too hot quickly makes matcha bitter.

Traditionally, matcha is whisked to a froth with a bamboo whisk (chasen). If it's your first time, sift the powder through a fine sieve beforehand – that prevents lumps. For a creamy matcha latte, warm plant-based or dairy milk works well. And because matcha is sensitive to light, air and moisture, keep it cool, dark and airtight once opened – that way colour and aroma last noticeably longer.

Matcha, Green Tea Extract or Coffee – What Fits When?

The same comparisons keep coming up around matcha. An overview helps you find your own fit:

• Matcha vs. steeped green tea: with an infusion, you only drink what passes into the water; with matcha, the whole leaf. That makes matcha more intense – in flavour, colour and natural caffeine content per bowl.
• Matcha vs. green tea extract: extracts concentrate individual components like EGCG into capsule form. Matcha, by contrast, remains a drink with the full leaf profile – flavour, ritual and caffeine included.
• Matcha vs. coffee: both deliver caffeine. Many describe matcha's wake-up effect as gentler – often attributed to the interplay of caffeine and L-theanine.

In practice, people often use matcha in the morning or early afternoon – as a deliberate, calm moment. Later in the day, some restraint makes sense because of the caffeine.

The History Behind the Green Powder

Matcha has a remarkably long tradition. Originally developed in China, the art of whisking powdered green tea was cultivated in Japan over centuries and remains, to this day, the heart of the Japanese tea ceremony (chado). This ritual isn't just about the drink, but about mindfulness, hospitality and a deliberate moment of calm. It's precisely this ceremonial origin that explains why so many people still associate matcha with a calm, unhurried moment of enjoyment – a conscious pause in a hectic day.

For you, that means: matcha may long since have become a global trend drink, but it carries centuries of culture within it. Whisk your own matcha, watch the froth form, and drink it slowly, and you bring a piece of that tradition home.

Matcha in the Kitchen: More Than Just a Drink

Beyond the classic bowl and the popular latte, matcha is versatile in the kitchen too. In culinary grade, it lends itself to baking – for biscuits, muffins or cakes, giving them a vivid green colour and a tart, aromatic profile. Matcha also finds its place in smoothies, energy balls, ice cream or porridge. Important to know: for culinary purposes, you don't need the pricier ceremonial grade – the stronger culinary variety holds its own better against other ingredients.

One practical note on caffeine still applies here: whether as a drink or baked in – the caffeine it contains counts toward your daily total. If you enjoy several matcha products spread across the day, keep that in mind, especially in the late afternoon or evening.

Honestly Assessed

Established is: matcha is shaded green tea that you drink whole as a powder – rich in the catechin EGCG, with natural L-theanine and noticeably more caffeine per bowl than steeped tea. Equally clear: if you're sensitive to caffeine, pregnant or breastfeeding, keep the amount in view – that's not a vague precaution, simply arithmetic around caffeine. For EGCG and L-theanine, there are currently no approved health-related claims in the EU, so here we deliberately describe composition, origin and flavour rather than promising effects. Matcha is, first and foremost, what it's been for centuries: a high-quality, intense drink to enjoy.

Matching Products from Scheunengut

Fitting the theme, you'll find a selection of green tea, products around caffeine, and a range of amino acids with us – including L-theanine in isolated form. If you're specifically interested in EGCG in concentrated capsule form, you'll find it among our green tea extracts.

Frequently Asked Questions (FAQ)

What's the Difference Between Matcha and Regular Green Tea?

With steeped green tea, you only drink what passes into the water; with matcha, the whole, finely ground leaf. That makes matcha more intense in flavour, colour and natural caffeine content per bowl.

What Are EGCG and L-Theanine in Matcha?

EGCG (epigallocatechin-3-gallate) is the best-known catechin in green tea, a plant polyphenol. L-theanine is an amino acid of the tea plant that contributes to the umami-like taste and, together with natural caffeine, is partly responsible for the wake-up effect many describe as gentler.

How Much Caffeine Does Matcha Have?

Because the whole leaf powder is consumed, the caffeine content can be noticeable – depending on the amount of powder per bowl and the number of bowls, usually markedly more than in steeped tea. Sensitive individuals, pregnant and breastfeeding women should keep the total amount from all sources in view.

How Do You Prepare Matcha Properly?

Whisk with water at around 70–80°C, hot but not boiling – classically frothed with a bamboo whisk (chasen). Sifting the powder beforehand prevents lumps. For a latte, simply use warm plant-based or dairy milk.

Which Matcha Grade Should I Buy?

Ceremonial grade is mild and fine and best suited to drinking on its own. Culinary grade is stronger in flavour and holds its own better against other ingredients – ideal for lattes, baking or smoothies.

Can Matcha Be Used for Cooking and Baking?

Yes. Matcha in culinary grade suits biscuits, muffins, cakes, smoothies, energy balls, ice cream or porridge, giving them a vivid green colour and a tart, aromatic profile. The caffeine it contains still counts toward your daily total.