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Michiyo Tsujimura Biography, Career and Death.

Michiyo Tsujimura Biography

Tsujimura was born in what is now Okegawa, Saitama Prefecture, in 1888.
She graduated from Tokyo Prefecture Women’s Normal School in 1909 and went on to the Division of Biochemical Science at Tokyo Women’s Higher Normal School. Tsujimura was taught there by biologist Kono Yasui, who sparked her interest in scientific research. She graduated in 1913 and went on to teach at Kanagawa Prefecture’s Yokohama High School for Women. She returned to Saitama Prefecture in 1917 to teach at the Saitama Women’s Normal School.

Michiyo Tsujimura Career and Death

Michiyo Tsujimura was a Japanese agricultural scientist and biochemist who studied green tea components. She was Japan’s first woman to receive a doctorate in agriculture.
Tsujimura’s research career began in 1920, when she began working as a laboratory assistant at Hokkaido Imperial University.
She studied the nutrition of silkworms there before moving on to the Medical Chemical Laboratory at Tokyo Imperial University in 1922.
Tsujimura isolated the flavonoid catechin from green tea in 1929. In 1930, she extracted tannin crystals from green tea.
In 1956, she received the Japan Prize of Agricultural Science for her research on green tea, and in 1968, she was awarded the Order of the Precious Crown of the Fourth Class. She died on June 1, 1969, at the age of 80, in Toyohashi.



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