The term micronization usually refers to the reduction of average particle diameters to the micrometer range, but can also describe further reduction to the nanometer scale. Common applications include the production of active chemical ingredients, foodstuff ingredients, and pharmaceuticals.
BUT remember, the general rules still apply. Now, letâs quickly go through the most popular types of tea and their perfect steeping conditions. 1  Black tea: 0.5 teaspoon per cup; water temperature 96Â°C (205Â°F); steep for 3 minutes.  Green tea: 1 tsp/cup; temp. 65-80Â°C (150-175Â°F); 3-4 minutes.
Genmaicha, like other green teas, should be steeped at a lower temperature than black or oolong teas. The ideal water temperature is 176 to 185 degrees Fahrenheit. Steep your genmaicha for no longer than three minutes to avoid an overly bitter tea.