Michio Tsujimura’s 133rd Birth Anniversary: ​​Know All About the Star of Today’s Google Doodle

Today (September 17, 2021), Google is paying tribute to Japanese agricultural scientist Michio Sujimura on his 133rd birth anniversary with a doodle. Tsujimura was the first woman in Japan to receive a doctorate degree in agriculture and her research focused on the health properties of green tea, a drink that has grown in popularity in today’s fitness-conscious world.

Tea scientist Michio Tsujimura was born in 1888 in Okegawa, Saitama Prefecture, Japan. A female scientist was not a common occurrence in the 19th century, and Tsujimura had her share of struggles in her professional journey. She began her career as an unpaid laboratory assistant at Hokkaido Imperial University, when the university did not even accept female students.

After a few years, Tsujimura attended Tokyo Imperial University and began researching the biochemistry of green tea, along with Dr. Umetaro Suzuki, who is famous for the discovery of vitamin B1. They found that green tea contained significant amounts of vitamin C – this was the first of several unknown molecular compounds in green tea waiting under the microscope.

During his research, he discovered what makes green tea bitter. Tsujimura isolated the flavonoid catechin, which is the bitter component of tea, in 1929. A year later he extracted tannins in crystal form from green tea. It was in 1932 that her findings on the constituents of green tea – her research paper ‘On the Chemical Components of Green Tea’ – led her to graduate from Tokyo Imperial University as Japan’s first female doctor of agriculture.

Also read: Diet containing green tea, cocoa may help in survival in the elderly

Tsujimura also made a name for himself as a teacher. There were many firsts for him in this section as well. In 1949 she became a professor at Ochanomizu University. She was a professor at Tokyo Women’s Higher Normal School since 1950 and was also the first dean of home economics. And in 1956 he was awarded the Japan Prize of Agricultural Sciences.

Sujimura died in 1969, at the age of 81. A monument in his memory can be seen in the city of Okegawa to this day.

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