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Black Tea vs Coffee: Caffeine Content, Taste, Aroma & Key Differences

November 13, 2026 OBARASOTARO

"Does black tea contain more caffeine than coffee?"

"What makes their flavours, aromas and ingredients so different?"

"Which one should I choose for breakfast or an afternoon break?"

Black tea and coffee are two of the world's most popular beverages. From the first cup of the morning to a relaxing afternoon break, both bring warmth, aroma and enjoyment to everyday life.

Although they share a place in our daily routines, they come from different plants and undergo very different production processes. These differences help create their distinctive flavours, aromas and chemical compositions.

One of the most frequently asked questions concerns caffeine. According to representative values in Japan's Standard Tables of Food Composition, brewed black tea contains approximately 30mg of caffeine per 100ml, while brewed coffee contains approximately 60mg per 100ml.

Under those specific brewing conditions, coffee contains around twice as much caffeine per unit of volume.

Black tea also offers a wonderful variety of flavours, from the delicate floral character of Darjeeling to the rich, malty notes of Assam and the diverse profiles of Ceylon teas.

Let's begin with a simple comparison.

Feature	Black Tea	Coffee
Plant source	Leaves of the tea plant	Seeds of the coffee plant
Main processing methods	Withering, rolling, oxidation and drying	Processing, drying and roasting
Aroma	Floral, fruity, malty and sometimes honey-like	Roasted, nutty, caramel-like and chocolate-like
Flavour	Delicate, brisk, rich or astringent	Bitter, acidic, full-bodied or roasted
Typical caffeine content	Approximately 30mg/100ml	Approximately 60mg/100ml
Popular preparations	Plain, with milk, with lemon or iced	Black, flat white, latte or iced
Food pairings	Scones, biscuits, cakes and breakfast foods	Chocolate, pastries and baked treats

Note: Caffeine figures are representative brewed-beverage values based on the Standard Tables of Food Composition in Japan (2020 edition). Actual amounts vary with the ingredients, brewing conditions and beverage.

In this guide, we'll explore eight important differences between black tea and coffee, including caffeine, flavour, aroma, polyphenols, brewing methods and the best occasions to enjoy each drink.

We'll also share interesting tea facts, practical tasting tips and three recommended loose-leaf black teas from Tea Total, a New Zealand tea brand.

Whether you already love coffee or are discovering loose-leaf tea for the first time, there's plenty to explore in every cup.

1. Black Tea vs Coffee: Plant Origins, Processing and Key Differences

Black tea and coffee are both made from plants, but the parts of those plants used to produce each beverage are very different.

Black tea comes from the leaves of the tea plant, Camellia sinensis, which belongs to the Theaceae family.

After harvesting, the leaves undergo several stages of processing. They are first withered to adjust their moisture content, then rolled or otherwise processed to change the structure of the leaf tissue.

Enzymes within the leaves interact with oxygen, leading to oxidation. The leaves are subsequently dried to create finished black tea.

This oxidation process plays an important role in developing the characteristic reddish-brown colour, aroma and flavour of black tea.

Tea production traditionally uses the term "fermentation" to describe this stage. In conventional black tea processing, however, the central transformation is enzymatic oxidation rather than microbial fermentation.

Interestingly, green tea and oolong tea also come from Camellia sinensis.

The different processing methods and degrees of oxidation contribute to the distinctive characteristics of each tea style.

Coffee, on the other hand, comes from the seeds found inside the fruit of the coffee plant, which belongs to the Rubiaceae family.

The ripe fruit is commonly known as a coffee cherry.

After harvesting, the seeds are processed and dried to produce green coffee beans. These are then roasted, transforming their colour, aroma and flavour.

Roasting levels range from light to medium and dark, with each creating a different tasting experience.

In simple terms, black tea develops much of its character through leaf processing and oxidation, while coffee develops its familiar roasted character through heat applied to the seeds.

Understanding how each beverage is made adds another layer of appreciation to an everyday cup.

Tea Fact #1: Coffee Beans Aren't Actually Beans

Despite their name, coffee beans are botanically seeds found inside the fruit of the coffee plant.

A typical coffee cherry contains two seeds positioned against each other.

Black tea, meanwhile, is made from young leaves and shoots of the tea plant.

It's fascinating that two familiar drinks begin with such different parts of their respective plants.

2. Caffeine in Black Tea vs Coffee: Comparing 100ml and a Full Cup

Caffeine content is one of the most commonly discussed differences between black tea and coffee.

Caffeine is a naturally occurring compound found in tea leaves, coffee seeds and several other plants.

Representative values from Japan's Standard Tables of Food Composition provide a useful starting point for comparing brewed black tea and coffee.

Beverage	100ml	150ml	200ml	250ml
Black tea	Approx. 30mg	Approx. 45mg	Approx. 60mg	Approx. 75mg
Coffee	Approx. 60mg	Approx. 90mg	Approx. 120mg	Approx. 150mg

Note: Figures for 150–250ml are proportional estimates calculated from the published values per 100ml. They are not laboratory measurements of individual products or home-brewed drinks.

Under these reference conditions, brewed coffee contains approximately twice the caffeine concentration of brewed black tea.

However, actual caffeine content also depends on the quantity of ingredients and the extraction method.

The Japanese Ministry of Agriculture, Forestry and Fisheries cites food-composition data based on brewing conditions including 10g of ground coffee with 150ml of hot water, and 5g of tea leaves with 360ml of hot water steeped for approximately 1.5–4 minutes.

At home, you might use extra tea leaves to prepare a stronger milk tea or adjust the quantity of ground coffee in a pour-over brewer.

These variations influence how much caffeine ends up in your cup.

It's therefore helpful to distinguish between caffeine concentration per 100ml and the total amount in the serving you actually drink.

A small teacup and a large café mug can contain very different serving sizes, even when both hold the same type of beverage.

There are also many preparation styles to consider, including espresso, filter coffee, instant coffee, loose-leaf tea and tea bags.

Personal responses to caffeine vary. Those who are pregnant, breastfeeding or particularly sensitive to caffeine should consider guidance from relevant public health authorities or a qualified healthcare professional when choosing beverages.

Tea Fact #2: Does Espresso Always Contain More Caffeine Than Filter Coffee?

Espresso is a concentrated coffee prepared by forcing water through finely ground coffee under pressure.

Its caffeine concentration per 100ml can be higher than that of regular filter coffee, but a typical single espresso is only around 30ml.

A cup of filter coffee may contain 150–250ml or more.

As a result, a larger serving of filter coffee can contain more total caffeine than a small espresso, even when the espresso tastes much stronger.

The same principle is useful when comparing black tea and coffee: serving size matters as much as concentration.

3. Taste and Aroma: How Black Tea and Coffee Develop Their Distinctive Flavours

One of the greatest pleasures of tea and coffee is the aroma that rises from a freshly prepared cup.

Black tea can offer floral, fruity, malty and honey-like characteristics, depending on the tea variety, growing environment and processing methods.

Factors such as climate, altitude, harvest season and the way the leaves are handled all contribute to the final flavour.

Darjeeling tea, grown in the Darjeeling region of India, is particularly well known for its delicate and aromatic character.

Assam tea, also grown in India, is often associated with a richer body and distinctive malty notes.

Ceylon teas from Sri Lanka provide another fascinating range of flavours, from bright and brisk profiles to fuller-bodied varieties.

Coffee develops its own complex aroma through roasting.

During roasting, sugars, amino acids and other compounds undergo chemical changes that contribute to the familiar roasted scent.

Light-roasted coffees may display bright acidity and fruit-like notes, while darker roasts often emphasise deeper bitterness and roasted flavours.

Much like choosing coffee beans by origin and roast level, you can explore black tea through its growing region, harvest season and blend.

For a simple introduction to loose-leaf tea, try comparing Assam, Ceylon and Darjeeling.

To make the experience more interesting, prepare each tea according to its recommended brewing instructions and serve it in a similar-sized cup.

First, notice the aroma rising from the cup. Next, take a small sip and consider the texture and flavour. Finally, pay attention to the finish and the aroma that remains after swallowing.

Some teas may feel rich and full-bodied, while others seem light, fragrant or pleasantly brisk.

The pleasure of discovering black tea lies in finding the aromas, textures and flavours that appeal to your personal taste.

Tea Fact #3: Darjeeling Tea Changes with the Harvest Season

Darjeeling teas are often described according to the season in which the leaves are harvested.

First Flush teas, picked in spring, are commonly associated with fresh, light and delicate flavours.

Second Flush teas, harvested in early summer, may develop a fuller character and the distinctive fruity aroma often described as muscatel.

Autumnal teas can offer rounder, more mellow flavours.

These are general characteristics, and individual teas vary according to the estate, weather and processing methods.

4. Black Tea and Coffee Compounds: Polyphenols, Tannins and Aroma Chemistry

Black tea and coffee contain a variety of naturally occurring compounds derived from their respective plants.

Among the best-known groups are polyphenols, which are found in many plant-based foods and beverages.

Black tea contains catechins as well as compounds formed during leaf oxidation, including theaflavins and thearubigins.

These compounds contribute to the characteristic colour, flavour and astringency of black tea.

You may also have encountered the term "tannins" when reading about tea.

Rather than referring to a single substance, the term is used for groups of plant compounds, including certain polyphenols, associated with astringent sensations.

That gently drying sensation you sometimes notice when drinking strong tea is part of its distinctive flavour experience.

Coffee contains other naturally occurring polyphenols, including chlorogenic acids.

Chlorogenic acids are present in green coffee beans, and their composition and quantity change during roasting.

Roasting also produces numerous aroma-related compounds through chemical reactions, including the Maillard reaction.

This helps explain why coffee can develop such rich roasted, caramel-like and nutty aromas.

Feature	Black Tea	Coffee
Representative polyphenols	Catechins, theaflavins and others	Chlorogenic acids and others
Major processing changes	Enzymatic oxidation of tea leaves	Chemical changes during roasting
Typical appearance	Amber to reddish-brown	Light to dark brown
Main flavour influences	Leaf composition, oxidation and brewing	Bean composition, roasting and brewing

Although some of the scientific terms may be unfamiliar, the resulting differences are easy to appreciate when tasting the drinks.

Black tea's beautiful colour and delicate astringency, and coffee's deep colour and roasted aroma, are all expressions of their ingredients and production methods.

Tea Fact #4: Tea Professionals Pay Attention to the Colour of the Brew

In tea tasting, the appearance of the brewed liquid is an important part of evaluating the drinking experience.

Black tea can range from bright golden amber to rich reddish-brown, depending on the leaves and brewing conditions.

A white cup makes it easier to observe these differences.

Try preparing two teas under similar conditions and comparing their colour, clarity and depth.

It's a simple way to discover another aspect of loose-leaf tea beyond taste and aroma.

5. Morning, Afternoon or Evening: When Should You Drink Tea or Coffee?

Black tea and coffee can be enjoyed at different times of day, each bringing its own character to meals and breaks.

At breakfast, many people enjoy a full-flavoured drink alongside toast, eggs or freshly baked bread.

Coffee offers a wonderful roasted aroma, while Assam and breakfast-style black teas are excellent choices for those who enjoy tea with milk.

The combination of rich tea flavour and creamy milk makes a comforting accompaniment to breakfast foods.

After lunch, a lighter Ceylon tea can be a pleasant choice when you want to appreciate a fresh, balanced flavour.

For an afternoon tea break, the delicate aroma of Darjeeling pairs beautifully with scones, biscuits and cakes.

You can create a relaxing tea occasion at home simply by preparing a favourite cup and adding a small baked treat.

In the evening, consider your individual response to caffeine and the time remaining before bedtime.

Alongside regular black tea and coffee, naturally caffeine-free herbal infusions and rooibos teas can add more variety to your choices. Always check the ingredients when selecting a caffeine-free blend.

Time of Day	Suggested Occasion	Tea Choice
Morning	With toast, eggs or breakfast pastries	Assam or breakfast tea
Midday	After lunch	Ceylon tea
Afternoon	With scones, biscuits or cakes	Darjeeling
Evening	Choose according to caffeine preference	Black tea or caffeine-free infusions

Exploring different teas throughout the day is a lovely way to discover how each variety complements a particular occasion.

Tea Fact #5: Britain Has a Tea Break Called "Elevenses"

British tea culture is famous for afternoon tea, but there's another traditional break known as "elevenses".

The term refers to a short break at around eleven o'clock in the morning.

It might involve tea or coffee accompanied by biscuits or a small snack.

Unlike the more elaborate afternoon tea tradition, elevenses is associated with a simple, everyday pause.

It's a charming reminder that enjoying a good cup of tea can be part of an ordinary day.

6. Brewing and Serving: Black Tea, Milk Tea, Lemon Tea and Iced Coffee

There are many ways to enjoy black tea and coffee, from simple preparations to creative variations.

Popular coffee styles include black coffee, flat whites, lattes and iced coffee.

Black tea can be enjoyed plain, with milk, with lemon, over ice or with spices in a chai-style preparation.

One of the pleasures of loose-leaf tea is the opportunity to adjust your preparation to suit the flavour of the leaves.

For example, Darjeeling is often enjoyed plain to appreciate its delicate aroma.

Assam is a popular choice for a richer cup of milk tea.

Ceylon teas offer a wide range of flavours, making many varieties enjoyable either plain or with milk.

Preparation	Black Tea	Coffee
Served plain	Plain black tea	Black coffee
With milk	Milk tea	Flat white, latte or café au lait
Served cold	Iced tea	Iced coffee
Flavoured	Lemon, spices or fruit	Cinnamon or flavoured syrups
With dessert	Scones, biscuits and cakes	Chocolate and baked treats

When preparing loose-leaf black tea, the amount of tea, water temperature and steeping time all contribute to the final flavour.

Tea Total provides brewing recommendations for individual products, often using approximately one teaspoon of tea per 250ml of water, with steeping times varying according to the blend.

For example, Assam Organic Breakfast is typically recommended for around 3–4 minutes, while Darjeeling Standard FTGFOP is generally steeped for approximately 3–5 minutes.

Start with the manufacturer's instructions and adjust the preparation according to your taste.

Warming your teapot before brewing can also help maintain the water temperature during steeping.

Once the tea has reached your preferred strength, remove or strain the leaves and pour the tea into your favourite cup.

The experience of watching loose leaves infuse, enjoying the rising aroma and taking that first sip is one of the special pleasures of preparing tea at home.

Tea Fact #6: Should Milk Go into the Cup Before or After the Tea?

In British tea culture, the order of adding milk has long been a topic of conversation.

The two approaches are often described as "Milk in First" and "Milk in Last".

The debate has historical connections to teaware, serving customs and the way tea was prepared.

Today, many tea lovers prefer to taste the tea first and then add milk according to their preference.

It's a fun detail of tea culture to explore during your next milk tea break.

7. Three Tea Total Black Teas Worth Trying, Even If You Usually Prefer Coffee

If you love the richness and complexity of coffee, exploring premium loose-leaf black tea can introduce you to a different world of aroma and flavour.

Tea Total is a New Zealand tea brand offering a diverse selection of teas from different growing regions.

At Brilliant Life Products NZ, we offer Tea Total loose-leaf teas for those who appreciate a delicious cup at breakfast, during an afternoon break or while relaxing at home.

Here are three distinctive black teas to explore.

Tea	Flavour Character	Suggested Serving
Assam Organic Breakfast 100g	Rich, malty and full-bodied	Milk tea or breakfast
English Breakfast 100g	Balanced Ceylon tea character	Plain or with milk
Darjeeling Standard FTGFOP 100g	Delicate and aromatic	Plain, especially for afternoon tea

① Assam Organic Breakfast 100g — A Rich and Satisfying Cup

Tea Total's Assam Organic Breakfast is made using organically certified tea leaves from Banaspaty Tea Garden in Assam, India.

Produced using the traditional orthodox method, the tea features dark leaves with attractive golden tips.

It offers the distinctive rich, malty character associated with Assam tea.

Enjoy it plain to appreciate its full flavour or add milk for a smooth, comforting cup.

It pairs beautifully with breakfast toast, pastries and baked treats.

For anyone who enjoys a robust, full-flavoured beverage, this tea is a wonderful place to begin exploring loose-leaf black tea.

Explore Assam Organic Breakfast 100g

② English Breakfast 100g — An Everyday Classic

Tea Total's English Breakfast is made with Sri Lankan Ceylon Orange Pekoe tea leaves.

Its balanced flavour combines a pleasantly brisk character with enough body to make it a versatile everyday choice.

Enjoy it plain to appreciate the Ceylon tea character, or add milk for a softer, creamier finish.

It is a lovely accompaniment to breakfast, afternoon biscuits or a quiet moment during a busy day.

For those beginning their loose-leaf tea journey, English Breakfast offers a familiar and approachable style.

Explore English Breakfast 100g

③ Darjeeling Standard FTGFOP 100g — Delicate and Fragrant

Tea Total's Darjeeling Standard is made from tea leaves grown in the highlands of India's Darjeeling region.

FTGFOP is a traditional tea grading designation associated with aspects of the appearance and composition of whole-leaf tea.

This Darjeeling offers a delicate, aromatic character that makes it especially enjoyable when served plain.

Take a moment to appreciate the fragrance as you pour the tea into your cup.

Paired with scones or delicate baked treats, it can turn an ordinary afternoon into an elegant tea occasion.

It is an inviting choice for anyone interested in discovering the lighter, more fragrant side of black tea.

Explore Darjeeling Standard FTGFOP 100g

Each of these teas offers a different experience, from rich and malty to balanced and delicately fragrant.

Choose one that appeals to your taste, prepare it with care and enjoy discovering the character of the leaves.

Tea Fact #7: Is Breakfast Tea Only for the Morning?

Names such as English Breakfast might suggest that the tea is intended exclusively for breakfast.

In fact, breakfast-style teas are enjoyed at many different times of day.

The style is often associated with black teas that have enough body to complement breakfast foods and milk.

Different brands use different leaves and blends, including Assam, Ceylon and combinations of several origins.

Looking beyond the name to the ingredients and flavour description is a great way to discover your preferred style.

8. How to Choose Between Black Tea and Coffee: Three Simple Tips

Black tea and coffee each offer their own distinctive appeal.

Choosing between them can be as simple as considering your preferred flavour, what you're eating and the kind of occasion you'd like to create.

First, think about the aroma and taste you enjoy.

When you're in the mood for roasted, nutty or deeply bitter notes, coffee may be an appealing choice.

When you'd prefer floral fragrance, gentle astringency or the richness of a traditional milk tea, explore the many styles of black tea.

Coffee lovers who enjoy full-bodied drinks may particularly appreciate Assam, while those interested in delicate aromas might find Darjeeling fascinating.

Second, consider your food pairing.

Coffee works beautifully with chocolate, nut-based desserts and pastries.

Black tea is equally versatile, pairing well with scones, shortbread, fruit cakes and breakfast dishes.

Trying different combinations can help you discover which flavours complement each other best.

Third, create your own favourite tea and coffee occasions.

Perhaps you enjoy coffee during the working week and prefer a carefully brewed loose-leaf tea on a quiet weekend.

Or you might choose a fragrant tea when entertaining friends and a rich milk tea with breakfast.

Having a few favourite beverages available means you can match your drink to the moment.

Preference or Occasion	Suggested Choice
Deep roasted aroma and bitterness	Coffee
Floral or fruity fragrance	Darjeeling black tea
Rich tea with milk	Assam black tea
Versatile everyday tea	Ceylon-style breakfast tea
Comparing caffeine intake	Consider beverage type, serving size and brewing conditions
A naturally caffeine-free infusion	Check the ingredients of herbal or rooibos teas

With so many varieties to explore, every cup offers an opportunity to enjoy something different.

Tea Fact #8: Some Drinks Combine Both Tea and Coffee

Although tea and coffee have developed distinct traditions around the world, some beverages bring the two together.

One example is Hong Kong-style yuanyang, a drink combining tea and coffee.

It is often prepared using strong black tea, coffee and milk or a milk-based ingredient.

The result combines the roasted character of coffee with the flavour of black tea.

It's a fascinating example of how different beverage cultures can inspire something new.

Frequently Asked Questions About Black Tea and Coffee

Q1. Does black tea have more caffeine than coffee?

Under the representative brewing conditions used in Japan's Standard Tables of Food Composition, black tea contains approximately 30mg of caffeine per 100ml and coffee contains approximately 60mg. The actual amount varies depending on the ingredients, brewing method and serving size.

Q2. Are black tea and coffee made from the same type of plant?

No. Black tea is made from the leaves of Camellia sinensis, while coffee is made from seeds found inside the fruit of coffee plants. Their different ingredients and processing methods contribute to their distinctive flavours and aromas.

Q3. Which is better with breakfast, black tea or coffee?

Both are popular breakfast choices. Coffee provides a roasted aroma, while Assam and breakfast-style black teas can be particularly enjoyable with milk, toast, eggs and baked goods. The best choice depends on your personal preferences.

Q4. Do black tea and coffee contain different polyphenols?

Yes. Black tea contains compounds such as catechins and theaflavins, while coffee contains chlorogenic acids and other polyphenols. Their composition varies with the plant material and processing methods.

Q5. What black tea should I try if I usually drink coffee?

If you enjoy a rich, full-bodied drink, Assam or English Breakfast tea can be a great introduction. For a more delicate, aromatic experience, try Darjeeling. Tea Total's loose-leaf range offers several distinctive styles to explore.

Conclusion: Discover the Differences and Enjoy Every Cup

Black tea and coffee are two wonderful beverages with unique origins, production methods, flavours and aromas.

Black tea is made from tea leaves, while coffee comes from the seeds of coffee plants.

Representative brewed-beverage values place black tea at approximately 30mg of caffeine per 100ml and coffee at approximately 60mg per 100ml, although individual drinks vary according to preparation and serving size.

Beyond caffeine, both beverages offer a fascinating variety of flavours.

Coffee enthusiasts can explore different beans and roast levels, while tea lovers can discover the characteristics of different growing regions, harvest seasons and blends.

At Brilliant Life Products NZ, we're pleased to introduce the world of Tea Total loose-leaf teas, including rich Assam, versatile Ceylon and fragrant Darjeeling.

Whether you're a dedicated coffee drinker or already enjoy a daily pot of tea, there's always something new to discover.

Choose your favourite cup, prepare a fragrant brew and turn an ordinary moment into a little tea-time pleasure.