Is Michiyo Tsujimura still alive?

Retirement, death, and legacy She died in Toyohashi on 1 June 1969 at the age of 80. Tsujimura’s 133rd birthday was celebrated with a Google Doodle on September 16, 2021.

What did Michiyo tsujimura discover?

It was Michiyo Tsujimura who first discovered the chemical structure of the substances that compose the particular bitter-astringent taste of tea. Michiyo Tsujimura succeeded to draw out the bitter-astringent component of tea as a crystal form and elucidated four kinds of catechins.