# item.guide
Side-by-Side Comparison Coffee Roasts & Botanical Teas

Espresso (Standard Double Shot 1:2) vs. Sencha (Japanese Green Tea)

Comparing 2 standards across 13 specifications. 13 key differences identified.

Comparing:
Espresso (Standard Double Shot 1:2)
Sencha (Japanese Green Tea)

A standard double espresso is prepared by forcing 9 bars of pressurized hot water (90–93.5°C) through 18g of finely ground coffee in 25–30 seconds, yielding 36g of liquid beverage. Per 100ml, it delivers ~212mg caffeine, an 8.5–11.0% TDS, and a persistent crema emulsion.

View full Espresso (Standard Double Shot 1:2) spec sheet →

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.

View full Sencha (Japanese Green Tea) spec sheet →

Specification Comparison Table

13 Parameters
Parameter / Spec
Product Class
Pressurized Coffee Extraction Steamed Unoxidized Infusion (0% Oxidation)
Brewing Water Temperature
90 – 93.5°C (194 – 200°F) 70 – 75°C (158 – 167°F)
Caffeine Content (per 100ml)
~212 mg (Single 36g double shot = ~75–80mg caffeine) mg ~20 – 30 mg mg
Standard Brew Ratio (Dose : Yield)
1 : 2.0 (18g dry coffee -> 36g liquid espresso)
Extraction Pressure
9.0 Bar (0.9 MPa / 130 PSI)
Extraction Time
25 – 30 Seconds
Grind Size Range
200 – 350 µm (Fine)
Total Dissolved Solids (TDS)
8.5 – 11.0 % (Heavy concentration) %
Extraction Yield (EY)
18.0 – 22.0 % (SCA Golden Cup Standard) %
Standard Brew Ratio (Leaf : Water)
3.0g leaf in 150ml water (1 : 50)
Steeping Duration
60 Seconds (1st infusion), 30s (2nd infusion)
Oxidation Level
0% (Steam-inactivated polyphenol oxidase)
EGCG Catechin Content
~50 – 70 mg per 150ml cup mg