Difference Between Black Tea and Green Tea

Tea is by far the most popular hot beverage in the world. After water, it is the most consumed drink and is presently consumed by 2 billion people all around the world.


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The leaves of this plant are plucked, dried, processed and even flavoured to make a tea of various colours, kinds and flavours like black tea, green tea, oolong tea, white tree etc.

Black Tea vs Green Tea

The difference between black tea and green tea is in its processing method. Black tea is made from leaves that are processed by fermenting it that allows it to get oxidized giving it the characteristics of dark colour, whereas green tea is made from leaves that are not processed or partially processed without letting it get oxidized, thus letting the colour remain lighter.

Black Tea vs Green Tea

The leaves of this plant are plucked, processed and dried and packed to form the commercially sold tea leaves that are used to brew the aromatic hot or cold beverage tea. The beverage is dark brown to almost black.

Green Tea is produced from the leaves of the same evergreen shrub, Camellia sinensis. The leaves of this plant are plucked and simply dried and packed to form the commercially sold tea leaves.

Comparison Table

Parameters of ComparisonBlack TeaGreen Tea
Color of beverageOnce boiled in water, it stains the liquid with a dark brown or black colour.Once boiled in water, it gives the water a greenish colour.
Processing MethodOnce plucked, the leaves undergo the following process Hand or machine rolling Fermentation by exposure to air to trigger oxidation until dark brown and aromatic. Dried until crisp and aromatic  Once plucked, the leaves are simply rolled and dried. The fermentation is left out to prevent the oxidation process.
AntioxidantsSince the leaves are oxidized, the antioxidant is low in the quantity of EGCG, a powerful antioxidant.Green tea leaves are rich in the powerful antioxidant the EGCG
Caffeine ContentBlack tea has a higher caffeine contentGreen tea has a comparatively lower caffeine content.
Other nutrientsBlack tea has a unique polyphenol theaflavin that acts as an antioxidant.Green also has some other polyphenols like catechin and gallic acid.
Effect on BrainIt contains a comparatively smaller amount of amino acid L-theanine that increases brain alertness and focus.Contains a comparatively larger quantity of L-theanine boosting the brain.
Effect on Weight LossBlack tea has less effect on weight loss.The caffeine and catechin content of green tea aid in faster weight loss.
Effect on CancerSince it is low on antioxidants, it has less effect on cancer cells.Since it is high in antioxidants, it is highly effective against cancer cells.

What is Black Tea?

Black tea is the most popular tea type consumed. Its leaves come from the plant Camellia sinensis. These leaves are either hand or machine picked.

Black tea is high in caffeine content, and this effectively energizes the mind and helps the brain to get alert and focused. It has theaflavins that act as an antioxidant and calms the mind.

Black tea can be consumed by boiling the leaves in water for a minute or two. Additional flavouring is also added in these leaves like ginger, cardamom etc.

black tea

What is Green Tea?

Green tea is a health beneficial beverage whose leaves are obtained from the plant Camellia sinensis. These leaves and plucked and dried to form the commercially available product.

Green is correctly brewed by soaking the leaves in warm water as boiling the leaves like black tea might destroy its antioxidant properties.

It has a lower caffeine content and hence is an alternative if you are looking for a less startling drink. It also has other substances like catechins that aid in all the above-mentioned functions.

The famous varieties of green tea are Macha, Sencha, Gyokoru, Longjing, Gunpowder etc.

green tea

Main Differences Between Black Tea and Green Tea

  1. Black tea has lower health benefits than green tea due to its higher caffeine and lower quantity of antioxidant content in comparison to green tea.
  2. Black tea is more widely consumed than green tea. It is also prepared with milk, while green tea is consumed as it is.
Difference Between Black Tea and Green Tea


  1. https://www.sciencedirect.com/science/article/pii/S0091743504005456
  2. https://www.tandfonline.com/doi/abs/10.1080/07315724.2006.10719518
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