About 30 mg the first steep, each time you steep the same leaves the caffeine is decreased significantly (to almost zero). Most of the caffeine is in the first infusion.

On the second infusion you could do 30, and from then on go 90 seconds. You should get 3 good infusions and after that they'll get progressively weaker.

We used to carry certificates for the first 4 years after the disasters. However, unsafe levels of radiation were never found in any green tea from Southern Japan where this and most of our teas are produced. It is no long necessary for us to keep supplying certificates for non-existent radiation issues. Regardless, Japanese teas are still tested yearly by the Japanese government and private agencies. If there is ever an issue where radiation is found in Japanese green tea, we would resume posting test results. Until that time, we no longer post radiation certificates for any of our green teas.

Hi,

Look for the sticker in Japanese with this characters: ”新茶” (Shincha)

Both of these green teas are considered deep steamed but to different degrees - the Sae Midori is greener in color, very cloudy, more deeply steamed, but less aromatic than Yutaka Midori. Sae Midori is also much easier to brew and it is not as astringent. The Yutaka Midori is not quite as green in color, however it is more aromatic, has more flavor, and is bolder.