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

French Press (Cafetiere Immersion Coffee) vs. Oolong Tea (Tie Guan Yin Semi-Oxidized)

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

Comparing:
French Press (Cafetiere Immersion Coffee)
Oolong Tea (Tie Guan Yin Semi-Oxidized)

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.

View full French Press (Cafetiere Immersion Coffee) spec sheet →

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.

View full Oolong Tea (Tie Guan Yin Semi-Oxidized) spec sheet →

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