While matcha is often promoted for its high level of catechin and the fact that you drink the whole leaf, in fact on average matcha has less catechin than regular high grade, spring harvest Sencha.
Compared to the 50 mg of catechin per gram of matcha, this organic green tea powder product from Mitsui Meicha (one of the largest producers of tea in Japan after Ito En) has 5400 mg per 40 grams of green tea powder or 135 mg per gram.
Made 100% from green tea grown in Japan, on fields that have not used synthetic fertilizers nor synthetic pesticides for at least three years according to standard practice for certified organic tea.
Net weight: 40 grams
Ingredients: green tea powder, 100% Japan-grown, JAS Certified Organic
Instructions: Use 0.5 grams (about 1/2 teaspoon) per 100 ml of hot water, or use 1.5 grams per 500 ml of cold water, and mix well until clumps are dissolved.