French Press (Cafetiere Immersion Coffee) vs. Oolong Tea (Tie Guan Yin Semi-Oxidized)
Comparing 2 standards across 11 specifications. 11 key differences identified.
French Press is full-immersion brewing using coarse grounds steep in 92–96°C water for 4–5 minutes before metal mesh filtration. It produces a heavy-bodied cup with 1.30–1.60% TDS containing natural coffee lipids and cafestol diterpenes.
Tie Guan Yin is a prized semi-oxidized oolong tea (30–40% oxidation) from Anxi, China. Steeping 5g in 150ml water at 88–92°C in a Gaiwan for 45 seconds produces an orchid floral fragrance, rich theasinensins, and ~25mg caffeine per 100ml over 6+ infusions.
Specification Comparison Table
11 Parameters| Parameter / Spec | ||
|---|---|---|
|
Product Class
|
Full Immersion Metal-Mesh Filtered Coffee | Semi-Oxidized Rolled Oolong Tea (30–40% Oxidation) |
|
Brewing Water Temperature
|
93 – 96°C (200 – 205°F) | 88 – 92°C (190 – 198°F) |
|
Steeping Duration
|
4.0 – 5.0 Minutes | 45s (1st), +15s per subsequent infusion (6–8 steepings) |
|
Caffeine Content (per 100ml)
|
~65 – 80 mg (250ml mug = ~160–200mg caffeine) mg | ~25 – 35 mg mg |
|
Standard Brew Ratio (Dose : Water)
|
1 : 15 (60g coarse coffee per 900g water) | — |
|
Grind Size Range
|
800 – 1,100 µm (Coarse / Kosher salt texture) | — |
|
Total Dissolved Solids (TDS)
|
1.30 – 1.60 % (Full, heavy mouthfeel) % | — |
|
Extraction Yield (EY)
|
19.0 – 22.0 % % | — |
|
Standard Brew Ratio (Leaf : Water)
|
— | 5.0g in 150ml (Gongfu style 1 : 30) |
|
Oxidation Level
|
— | 30 – 40% (Partial enzymatic bruising and pan firing) |
|
Bioactive Polyphenols
|
— | Theasinensins (unique oolong dimers), EGCG, L-Theanine |