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

Black Tea (Assam Fully Oxidized) vs. Matcha (Ceremonial Grade Green Tea)

Comparing 2 standards across 11 specifications. 11 key differences identified.

Comparing:
Black Tea (Assam Fully Oxidized)
Matcha (Ceremonial Grade Green Tea)

Assam black tea (Camellia sinensis assamica) is 100% fully oxidized tea leaf from northeast India. Steeping 2.5g in 200ml boiling water (95–100°C) for 3–5 minutes yields a robust, malty liquor with ~45mg caffeine per 100ml, theaflavins, and thearubigins.

View full Black Tea (Assam Fully Oxidized) spec sheet →

Ceremonial matcha is stone-ground powdered shade-grown green tea leaves (Camellia sinensis). Per 100g powder, it provides roughly 300 kcal, 30.6g protein, 3,200mg caffeine, 5,000–6,500mg epigallocatechin gallate (EGCG), and 2,000mg L-theanine, whisked into 70–80°C water.

View full Matcha (Ceremonial Grade Green Tea) spec sheet →

Specification Comparison Table

11 Parameters
Parameter / Spec
Product Class
Fully Oxidized Leaf Infusion (100% Oxidation) Whole Leaf Suspension (Shade-grown Tencha)
Brewing Water Temperature
95 – 100°C (203 – 212°F / Full Boil) 70 – 80°C (158 – 176°F) (Prevents catechin bitterness)
Steeping Duration
3 – 5 Minutes 0 min (Whisked mechanical suspension with bamboo chasen)
Caffeine Content (per 100ml)
~40 – 50 mg (200ml cup = ~80–100mg caffeine) mg ~90 – 100 mg (2g bowl = ~64–70mg caffeine) mg
Standard Brew Ratio (Leaf : Water)
2.5g leaf in 200ml water (1 : 80)
Oxidation Level
100% (Complete enzymatic polyphenol oxidation)
Theaflavin & Thearubigin Content
~80 – 120 mg per cup (Gives deep red color and brisk astringency) mg
Standard Brew Ratio (Powder : Water)
2.0g powder in 70ml water (Usucha standard)
Grind Size Range
5 – 10 µm (Granite stone-ground micro-powder)
EGCG Catechin Concentration
~100 – 130 mg per 2g serving (Among the most concentrated dietary sources of EGCG) mg
L-Theanine Amino Acid
~40 – 50 mg per 2g serving (Induces alpha brainwaves) mg