Common Questions about Green Tea
Does Green Tea Stain Teeth?
Yes, naturally. Green tea contains plant compounds called tannins which can cause mild surface staining over time. However, it typically stains less than coffee or black tea and is easily minimised by swishing water after drinking. To learn more about how tea compounds interact with your body, read our full guide on The Health Benefits of Drinking Tea.
How to Make Green Tea?
The secret is temperature control. Never use boiling water, which burns the leaf and creates bitterness. Use water cooled to 70°C – 80°C and steep for just 2–3 minutes. Green tea is just one category; to understand how processing affects brewing across the spectrum, explore our complete guide to the A Complete List of the 6 Tea Types.
Is Green Tea Caffeinated?
Yes. Because it comes from the Camellia sinensis plant, green tea naturally contains caffeine—typically 20–45mg per cup. This is significantly less than black tea or coffee, offering a gentler energy boost. For a detailed comparison chart of all tea types, see our guide: How Much Caffeine in Tea?
Famous Types of Green Tea
Green tea stays unoxidised because the leaf is heat-fixed soon after picking (Sha Qing / “kill-green”). Below are ten well-known types of green tea—from nutty, pan-fired Chinese classics to the more vegetal, steamed Japanese styles.
What Does Green Tea Taste Like?
Fresh and vegetal, because it is unoxidised. Steamed styles lean savoury, grassy, and umami; pan-fired styles lean toasted, nutty, and more mellow. Bitterness usually comes from boiling water.
What is Green Tea?
Green tea is unoxidised tea from the Camellia sinensis plant. After picking, the leaves are heat-fixed (steamed or pan-fired) to stop oxidation and preserve their natural green colour. Flavour profiles range from fresh and grassy (steamed styles) to toasted and nutty (pan-fired styles).
Green Tea at a Glance
If you’re wondering what green tea is and what green tea tastes like, this quick profile covers its unoxidised processing, typical caffeine range, and best brewing temperature.
Oxidation level | Processing | Caffeine | Brewing temperature | Flavour |
|---|---|---|---|---|
Unoxidised (heat-fixed) | Withered → Fixed (steamed or pan-fired) → Rolled/Shaped → Dried | Low–Medium (~20–45 mg per cup) | 70–80°C (cooler water helps prevent bitterness) | Fresh, vegetal; grassy/umami or toasted/nutty |
How Green Tea is Made?
Green tea is defined by heat-fixing (Sha Qing / "Kill-Green"). The leaves are heated soon after picking (pan-fired in China, steamed in Japan) to stop enzymatic oxidation and preserve a fresh green profile.