What You Need to Know
Bamboo tines create turbulent microcurrents that entrain air while shearing matcha particle aggregates. The chasen's 80-120 prongs optimize laminar-to-turbulent flow transition at 60°C.
Achieves velvety emulsion without bitterness from incomplete dispersion or aeration.
Key Parameters
Temperature
75°C
65°C - 85°C
Time
45 seconds
30 seconds - 90 seconds
Equipment
Chasen (16mm base diameter, 48mm height)Chawan (12cm diameter, 7cm depth)Hishaku (bamboo ladle)
Steps
- 1.
Koicha (thick tea) (Uji): Creates paste-like consistency for ceremonial use
- 2.
Usucha (thin tea) (Kyoto): Achieves daily-drinkable emulsion
The Science
Primary Reaction
Oxidation of Epigallocatechin Gallate (EGCG)