A doodle honours Michiyo Tsujimura, a Japanese physicist


Madhya Pradesh: A Google doodle honouring Japanese professor and scientist Michiyo Tsujimura’s 133rd birthday was released on Friday.

Google Homepage shows she can be seen researching and extracting the chemical components of green tea. Michiyo Tsujimura, noted for her breakthrough study into the nutritional advantages of green tea, was born in 1888 in Okegawa, Saitama Prefecture, Japan.

Tsujimura spent her early career teaching science, according to the Google site. She began studying the nutritional characteristics of Japanese silkworms at Hokkaido Imperial University in 1920, pursuing her ambition of becoming a scientific researcher.

Michiyo Tsujimura Goolge

Tsujimura went to Tokyo Imperial University a few years later and began studying the biochemistry of green tea with Dr. Umetaro Suzuki, the man responsible for the discovery of vitamin B1.

Green tea contains substantial quantities of vitamin C, which was the first of several undiscovered chemical components in green tea that awaiting examination under the microscope.

About Michiyo Tsujimura

Tsujimura discovered catechin, a bitter component of tea, in 1929. She then isolated tannin, an even more bitter chemical, the next year. When she graduated as Japan’s first woman doctor of agriculture in 1932, she used these results to write her PhD thesis, “On the Chemical Components of Green Tea.”

Dr. Tsujimura created history as the first Dean of the Faculty of Home Economics at Tokyo Women’s Higher Normal School in 1950, in addition to her research accomplishments.

Michiyo Tsujimura

Dr. Tsujimura’s efforts are commemorated by a stone plaque in her hometown of Okegawa City.
Google Doodles, www.google.com/doodles