Umami seasoning (component: monosodium L-glutamate), widely prevalent as the flavor enhancer "Ajinomoto" in many households in Japan, was discovered in 1907 by the late Prof. Kikunae Ikeda, who was a professor at the Department of Chemistry of Tokyo Imperial University (now the University of Tokyo). The bottle of the first sample of monosodium L-glutamate, extracted from dried kelp by Prof. Ikeda, has been handed down to successive professors in the Department of Chemistry as one of the historical materials of the Umami discovery.
Prof. Ikeda was born in 1864 in Kyoto as the second son of the head of the Kyoto branch of the feudal Satsuma clan. He enrolled in the Department of Chemistry of Tokyo Imperial University in 1885 and studied chemistry under Prof. Joji Sakurai, who also happened to be his brother-in-law. He graduated in 1889 and became an associate professor at the university. From 1899, Prof. Ikeda studied in Germany for two years at the laboratory of Prof. Friedrich Wilhelm Ostwald at the University of Leipzig, which was then the center of physical chemistry. Prof. Ostwald himself was a Nobel laureate in chemistry in 1909. After finishing his studies in Germany, Prof. Ikeda stayed for a while in London, where he lived in the same boarding house as the author Soseki Natsume. Soseki later wrote in a collection of his notes that Prof. Ikeda's philosophical insights had a great influence on his writing. After returning to Japan in 1901, Prof. Ikeda became a professor in the Department of Chemistry, Faculty of Science, Tokyo Imperial University. He introduced the field of physical chemistry to Japan and established its foundation.
เครื่องปรุงรสอูมามิ (ส่วนประกอบ: โมโนโซเดียมกลูตาเม L), แพร่หลายอย่างกว้างขวางเป็นการเพิ่มรสชาติ "ดีๆ" ในครัวเรือนจำนวนมากในประเทศญี่ปุ่น พบใน 1907 ปลายศาสตราจารย์ Kikunae อิเคดะ ผู้เป็นอาจารย์ที่ภาควิชาเคมีมหาวิทยาลัยอิมพีเรียลโตเกียว (ตอนนี้มหาวิทยาลัยโตเกียว) ขวดของตัวอย่างแรกของโมโนโซเดียมกลูตา L สกัดจากสาหร่ายทะเลแห้ง โดยศาสตราจารย์อิเคดะ การทอดไปต่อ ๆ มาอาจารย์ในภาควิชาเคมีเป็นหนึ่งในวัสดุทางประวัติศาสตร์ของการค้นพบอูมามิ Prof. Ikeda was born in 1864 in Kyoto as the second son of the head of the Kyoto branch of the feudal Satsuma clan. He enrolled in the Department of Chemistry of Tokyo Imperial University in 1885 and studied chemistry under Prof. Joji Sakurai, who also happened to be his brother-in-law. He graduated in 1889 and became an associate professor at the university. From 1899, Prof. Ikeda studied in Germany for two years at the laboratory of Prof. Friedrich Wilhelm Ostwald at the University of Leipzig, which was then the center of physical chemistry. Prof. Ostwald himself was a Nobel laureate in chemistry in 1909. After finishing his studies in Germany, Prof. Ikeda stayed for a while in London, where he lived in the same boarding house as the author Soseki Natsume. Soseki later wrote in a collection of his notes that Prof. Ikeda's philosophical insights had a great influence on his writing. After returning to Japan in 1901, Prof. Ikeda became a professor in the Department of Chemistry, Faculty of Science, Tokyo Imperial University. He introduced the field of physical chemistry to Japan and established its foundation.
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