Temperature: The Silent Variable

Brewing green tea is a dialogue between temperature and time. Boiling water is the master of extraction, but with delicate teas like Sencha or Gyokuro, it is a harsh negotiator. At 100°C, the water quickly dissolves bitter catechins and astringent tannins, overpowering the sweet, savory qualities hidden within.

By lowering the water temperature to 60°C or 70°C, we encourage the gentle release of L-theanine—an amino acid responsible for the deep savory taste known as umami. The water acts as a soft sponge, absorbing light, sweet, and oceanic notes with pristine precision.

Our analytical guides break down how minor shifts of even two degrees Celsius can emphasize citrusy or vegetal highlights, turning a standard afternoon cuppa into an ethereal, customized sensory ritual.