Google Doodle honors pioneering green tea chemist Michiyo Tsujimura Japanese scientist's groundbreaking research led to her becoming the first woman in Japan to earn a doctorate in agriculture.

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The phenomenal research of the Japanese scientist made her the first woman in Japan to receive a doctorate degree in agriculture.

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Michio Tsujimura did extensive research on the components of green tea.


If you enjoy the taste of green tea, as well as appreciate its nutritional benefits, then you have Michio Tsujimura to thank.

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Tsujimura was a Japanese agricultural scientist and biochemist whose groundbreaking research on the components of green tea earned her the first doctorate in agriculture to a woman in Japan. To honor his achievements, Google will dedicate its doodle to Sujimura on his 133rd birthday on Friday.

Born on September 17, 1888 in what is now Okegawa, Japan, Sujimura spent her early career teaching science at a women’s high school. In 1920, she focused her attention on becoming a scientific researcher, joining Hokkaido Imperial University as an unpaid laboratory assistant, as the school had not yet admitted female students.

His work was initially focused on silkworm nutrition, but he joined Dr. to research the biochemistry of green tea at Tokyo Imperial University in 1922. Umetaro Suzuki, early researcher of vitamins.

Two years later, she and her colleague Sitaro Miura discovered vitamin C in green tea, which led to an increase in green tea exports to North America. Five years later, he isolated the catechins, which provide the bitter taste in green tea. Next year, she will begin extracting tannins from green tea in crystal form.

His thesis on components of green tea earned him a doctorate in agriculture from Tokyo Imperial University in 1932. She went on to become a professor and lecturer in various schools and universities before being awarded the Japan Prize of Agricultural Sciences for her research in 1956. in green tea.

Tsujimura died in 1969 at the age of 81.

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