Sencha (Japanese Green Tea)
Coffee Roasts & Botanical Teas · 7 specs
Direct Answer
Sencha is unshaded, steamed green tea leaf (Camellia sinensis). Steeping 3g in 150ml water at 70–75°C for 60 seconds delivers a refreshing, grassy liquor with ~30mg caffeine per 100ml and rich EGCG catechins.
Source: World Tea Academy / Japan Tea Central Council · Last reviewed Aug 28, 2026
Specs
| Product Class | Steamed Unoxidized Infusion (0% Oxidation) |
| Standard Brew Ratio (Leaf : Water) | 3.0g leaf in 150ml water (1 : 50) |
| Brewing Water Temperature | 70 – 75°C (158 – 167°F) |
| Steeping Duration | 60 Seconds (1st infusion), 30s (2nd infusion) |
| Oxidation Level | 0% (Steam-inactivated polyphenol oxidase) |
| Caffeine Content (per 100ml) | ~20 – 30 mg mg |
| EGCG Catechin Content | ~50 – 70 mg per 150ml cup mg |
Steam Deactivation (Asamushi vs Fukamushi)
Steaming freshly picked tea leaves for 30–60 seconds halts oxidative browning enzymes, locking in vibrant green chlorophyll and sweet marine umami.
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