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Your search keyword '"Yukio Fujiwara"' showing total 8 results
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8 results on '"Yukio Fujiwara"'

1. ChemInform Abstract: Serralongamines B-D, Three New Lycopodium Alkaloids from Lycopodium serratum var. longipetiolatum, and Their Inhibitory Effects on Foam Cell Formation in Macrophages

Author

Kan'ichiro Ishiuchi, Wen Ping Jiang, Jin-Bin Wu, Susumu Kitanaka, and Yukio Fujiwara

Subjects
Lycopodium, biology, Chemistry, General Medicine, biology.organism_classification, Inhibitory postsynaptic potential, Molecular biology, Foam cell
Abstract

Serralongamines B (I) and D (IIb) exhibit significant inhibitory activity against foam cell formation in human macrophages.

Published
2016
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3. ChemInform Abstract: Acyclic Sulfides, Garlicnins L-1-L-4, E, and F, from Allium sativum

Author

Koki Yamaguchi, Yukio Fujiwara, Hideyuki Manabe, Tsuyoshi Ikeda, Kotaro Murakami, Masateru Ono, Junei Kinjo, Daisuke Nakano, and Toshihiro Nohara

Subjects
Stereochemistry, Chemistry, General Medicine, M2 Macrophage, Allium sativum
Abstract

Six novel acyclic sulfides, named garlicnins L-1 (I), L-2, L-3, L-4 (II), E (III) and F are isolated which are able to suppress M2 macrophage activation.

Published
2014
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4. ChemInform Abstract: Cyclic Sulfoxides Garlicnins B2, B3, B4, C2, and C3from Allium sativum

Author

Yukio Fujiwara, Tsuyoshi Ikeda, Toshihiro Nohara, Daisuke Nakano, Masateru Ono, Kohtaro Murakami, and Junei Kinjo

Subjects
stomatognathic diseases, Chemistry, Organic chemistry, General Medicine, Allium sativum, Isolation (microbiology)
Abstract

The isolation of five novel natural sulfoxides as well as the elucidation of their relative structures are reported.

Published
2013
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5. ChemInform Abstract: A Pregnane Glycoside from Overripe Tomato

Author

Tsuyoshi Ikeda, Hitoshi Yoshimitsu, Masateru Ono, Eriko Iwakawa, Toshihiro Nohara, Yukio Fujiwara, Hiroyuki Miyashita, and Sayaka Matsushita

Subjects
Horticulture, biology, Chemistry, General Medicine, biology.organism_classification, Pregnane glycoside, Lycopersicon
Abstract

A new pregnane glycoside, 3-O-β-lycotetraosyl 5α-pregna-3β,26β-diol-20-one was isolated from overripe tomato, the fruit of Lycopersicon esculentum MILL.

Published
2008
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6. ChemInform Abstract: Conversion of Esculeoside A into Esculeogenin B

Author

Mona El Aasr, Yukio Fujiwara, Hiroyuki Miyashita, Masateru Ono, Yukino Oshiro, Toshihiro Nohara, Hitoshi Yoshimitsu, and Tsuyoshi Ikeda

Subjects
chemistry.chemical_classification, biology, Chemistry, Esculeogenin B, Component (thermodynamics), Organic chemistry, Glycoside, Acid hydrolysis, General Medicine, biology.organism_classification, Lycopersicon
Abstract

Conversion of the spirosolane-type glycoside, esculeoside A, a major component contained in the ripe tomato Lycopersicon esculentum fruits, into a solanocapsine-type sapogenol, esculeogenin B-2, (5alpha,22S,23R,25S)-22,26-epimino-16beta,23-epoxy-3beta,23,27-trihydroxycholestane, and esculeogenin B-1, (5alpha,22R,23S,25S)-22,26-epimino-16beta,23-epoxy-3beta,23,27-trihydroxycholestane, which are rare naturally occurring compounds was attained by acid hydrolysis with 2 N HCl in dioxane and water (1 : 1).

Published
2008
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7. Steroidal Alkaloid Glycosides, Esculeosides C and D, from the Ripe Fruit of Cherry Tomato

Author

Masateru Ono, Yuuki Takara, Toshihiro Nohara, Koichi Uranaka, Tsuyoshi Ikeda, Masamichi Egami, Hitoshi Yoshimitsu, Yukio Fujiwara, and Sayaka Matsushita

Subjects
Models, Molecular, Molecular Sequence Data, Molecular Conformation, Spectrometry, Mass, Fast Atom Bombardment, Molecular conformation, Lycopersicon, chemistry.chemical_compound, Solanum lycopersicum, Cherry tomato, Drug Discovery, Botany, Glycosides, chemistry.chemical_classification, biology, Pregnane, Glycoside, General Chemistry, General Medicine, biology.organism_classification, Lycoperoside G, Horticulture, Carbohydrate Sequence, chemistry, Steroids, Solanocapsine, Steroidal alkaloid
Abstract

Two new steroidal alkaloid glycosides, esculeosides C and D, have been isolated from the ripe fruit of Cherry tomato [Lycopersicon esculentum var. cerasiforme (DUNAL) ALEF.], along with three known steroidal alkaloid glycosides, esculeoside A, esculeoiside B, and lycoperoside G. Their chemical structures were determined on the basis of spectroscopic data.

Published
2006
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8. Cytotoxic Major Saponin from Tomato Fruits

Author

Shoji Yahara, Masateru Ono, Tsuyoshi Ikeda, Toshihiro Nohara, and Yukio Fujiwara

Subjects
endocrine system, Saponin, Pharmacognosy, complex mixtures, Lycopersicon, Solanum lycopersicum, Drug Discovery, Cytotoxic T cell, heterocyclic compounds, chemistry.chemical_classification, biology, Traditional medicine, Plant Extracts, Alkaloid, organic chemicals, food and beverages, Glycoside, Biological activity, General Chemistry, General Medicine, Saponins, biology.organism_classification, Biochemistry, chemistry, Fruit, Steroidal alkaloid, Solanaceae
Abstract

A major novel steroidal alkaloid glycoside, possessing cytotoxic activity has been isolated from the fruits of Lycopersicon esculentum.

Published
2003
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