Satoru Kusama
University of Tsukuba
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Publication
Featured researches published by Satoru Kusama.
Agricultural and biological chemistry | 1986
Satoru Kusama; Isao Kusakabe; Yasuyuki Nakamura; Shigeru Eda; Kazuo Murakami
The enzyme system from Streptomyces sp. W19–1 formed several kinds of transfer products (TPs) when incubated in the presence of both stevioside (ST) and curdlan. Three of the major TPs (A, B, and C) were separated and purified using HP-20 column chromatography, gel filtration on TOYOPEARL HW-40F, and preparative high-performance liquid chromatography.The structures of the three were identified by chemical and enzymatic methods; A is 13-O-β-sophorosyl-19-O-β-laminaribiosyl steviol, B is 13-O-β-32-β-glucosylsophorosyl-19-O-β-glucosyl steviol, and C is 13-O-β-sophorosyl-19-O-β-laminaritriosyl steviol. The three were obtained for the first time in a pure state.
Agricultural and biological chemistry | 1983
Koichi Kimoto; Satoru Kusama; Kazuo Murakami
Agricultural and biological chemistry | 1984
Rihei Takahashi; Isao Kusakabe; Satoru Kusama; Yoshio Sakurai; Kazuo Murakami; Akio Maekawa; Takao Suzuki
Agricultural and biological chemistry | 1984
Rihei Takahashi; Isao Kusakabe; Satoru Kusama; Yoshio Sakurai; Kazuo Murakami; Akio Maekawa; Takao Suzuki
Agricultural and biological chemistry | 1984
Satoru Kusama; Isao Kusakabe; Mitsuko Zama; Kazuo Muralami; Tsimeo Yasui
Agricultural and biological chemistry | 2014
Satoru Kusama; Isao Kusakabe; Kazuo Murakami
Agricultural and biological chemistry | 1986
Satoru Kusama; Isao Kusakabe; Kazuo Murakami
Agricultural and biological chemistry | 1986
Satoru Kusama; Isao Kusakabe; Yasuyuki Nakamura; Shigeru Eda; Kazuo Murakami
Agricultural and biological chemistry | 1984
Satoru Kusama; Isao Kusakabe; Kazuo Murakami
Agricultural and biological chemistry | 1985
Satoru Kusama; Isao Kusakabe; Kazuo Murakami
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