was a Japanese scientist, born in what is now part of

Makinohara, Shizuoka 270px, Makinohara City Hall is a city located in western Shizuoka Prefecture, Japan. , the city had an estimated population of 45,813 in 16980 households and a population density of 410 persons per km². The total area of the city was . Geogra ...

, Japan. He was a member of the Imperial Academy, and a recipient of the Grand Cordon of the

Order of the Sacred Treasure The is a Japanese order, established on 4 January 1888 by Emperor Meiji as the Order of Meiji. Originally awarded in eight classes (from 8th to 1st, in ascending order of importance), since 2003 it has been awarded in six classes, the lowest ...

and the

Order of Culture The is a Japanese order, established on February 11, 1937. The order has one class only, and may be awarded to men and women for contributions to Japan's art, literature, science, technology, or anything related to culture in general; recipien ...

. His research was among the earliest of modern

vitamin A vitamin is an organic molecule (or a set of molecules closely related chemically, i.e. vitamers) that is an Nutrient#Essential nutrients, essential micronutrient that an organism needs in small quantities for the proper functioning of its ...

research.

Biography

Suzuki was born as the second son of a farmer in

Haibara District, Shizuoka is a rural district located in Shizuoka Prefecture, Japan. As of July 2012, the district has an estimated population of 37,550 and a population density of 72.6 persons per km2. The total area was 517.56 km2. Towns and villages Haibara Dis ...

. He was a graduate of

Tokyo Imperial University , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...

and subsequently worked as a research scientist at Riken. In 1901, he studied

Peptide synthesis In organic chemistry, peptide synthesis is the production of peptides, compounds where multiple amino acids are linked via amide bonds, also known as peptide bonds. Peptides are chemically synthesized by the condensation reaction of the carboxyl ...

at the

Humboldt University of Berlin Humboldt-Universität zu Berlin (german: Humboldt-Universität zu Berlin, abbreviated HU Berlin) is a German public research university in the central borough of Mitte in Berlin. It was established by Frederick William III on the initiative o ...

under

Emil Fischer Hermann Emil Louis Fischer (; 9 October 1852 – 15 July 1919) was a German chemist and 1902 recipient of the Nobel Prize in Chemistry. He discovered the Fischer esterification. He also developed the Fischer projection, a symbolic way of dra ...

. He returned to Japan in 1906, and accepted a post as professor of agricultural chemistry at Tokyo Imperial University in 1907. In

1910 Events January * January 13 – The first public radio broadcast takes place; live performances of the operas '' Cavalleria rusticana'' and ''Pagliacci'' are sent out over the airwaves, from the Metropolitan Opera House in New York C ...

, Suzuki succeeded in extracting a water-soluble complex of micronutrients from

rice Rice is the seed of the grass species ''Oryza sativa'' (Asian rice) or less commonly ''Oryza glaberrima ''Oryza glaberrima'', commonly known as African rice, is one of the two domesticated rice species. It was first domesticated and grown i ...

bran Bran, also known as miller's bran, is the hard outer layers of Cereal, cereal grain. It consists of the combined aleurone and pericarp. Corn (maize) bran also includes the pedicel (tip cap). Along with cereal germ, germ, it is an integral pa ...

and named it aberic acid, and which had the effect of curing patients of

beriberi Thiamine deficiency is a medical condition of low levels of thiamine (Vitamin B1). A severe and chronic form is known as beriberi. The two main types in adults are wet beriberi and dry beriberi. Wet beriberi affects the cardiovascular system, r ...

. He published this discovery in a Japanese scientific journal. When the article was translated into German, the translation failed to state that it was a newly discovered nutrient, a claim made in the original Japanese article, and hence his discovery failed to gain publicity. Polish biochemist

Kazimierz Funk Kazimierz Funk (; February 23, 1884 – November 19, 1967), commonly anglicized as Casimir Funk, was a Polish-American biochemist generally credited with being among the first to formulate (in 1912) the concept of vitamins, which he called "vit ...

isolated the same complex of micronutrients and proposed the complex be named "

Vitamin A vitamin is an organic molecule (or a set of molecules closely related chemically, i.e. vitamers) that is an Nutrient#Essential nutrients, essential micronutrient that an organism needs in small quantities for the proper functioning of its ...

e" (from "vital amine") in 1912. In 1935, this compound was refined and correctly described as

thiamine Thiamine, also known as thiamin and vitamin B1, is a vitamin, an essential micronutrient, that cannot be made in the body. It is found in food and commercially synthesized to be a dietary supplement or medication. Phosphorylated forms of thi ...

. On April 18, 1985, the

Japan Patent Office The is a Japanese governmental agency in charge of industrial property right affairs, under the Ministry of Economy, Trade and Industry. The Japan Patent Office is located in Kasumigaseki, Chiyoda, Tokyo and is one of the world's largest pa ...

selected him as one of

Ten Japanese Great Inventors The system of industrial rights in Japan celebrated 100 years of its existence in 1985. In celebration of the one-hundredth anniversary of the Japanese system of industrial property rights, the Japan Patent Office selected ten great inventors wh ...

References

1874 births 1943 deaths Japanese inventors Japanese scientists People from Shizuoka Prefecture Recipients of the Order of Culture Riken personnel Vitamin researchers {{japan-scientist-stub