Phenylethanoid and phenylpropanoid glycosides with melanogenesis inhibitory activity from the flowers of Narcissus tazetta var. chinensis. 2016

Toshio Morikawa, and Kiyofumi Ninomiya, and Hiroyuki Kuramoto, and Iyori Kamei, and Masayuki Yoshikawa, and Osamu Muraoka

A methanol extract of the flowers of Narcissus tazetta var. chinensis Roem. (Amaryllidaceae) demonstrated inhibitory effects on melanogenesis in theophylline-stimulated murine B16 melanoma 4A5 cells. From the extract, four new phenylethanoid glycosides, tazettosides A–D (1–4), and a new phenylpropanoid glycoside, tazettoside E (5), were isolated along with 23 known compounds (6–28). Of the isolates, 1 (IC50 = 22.0 μM) and 4 (82.5 μM), 3-methoxy-8,9-methylenedioxy-3,4-dihydrophenanthridine (13, IC50 = 28.5 μM), 5,6-dihydrobicolorine (14, 23.7 μM), tazettine (16, 60.8 μM), benzyl β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside (18, 27.8 μM), 2-(3,4-dimethoxyphenyl)ethyl β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside (21, 74.6 μM), 3-phenylpropyl β-D-glucopyranoside (22, 59.0 μM), and cinnamyl β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside (24, 88.0 μM) showed inhibitory effects without notable cytotoxicity at the effective concentrations.

UI MeSH Term Description Entries
D008543 Melanins Insoluble polymers of TYROSINE derivatives found in and causing darkness in skin (SKIN PIGMENTATION), hair, and feathers providing protection against SUNBURN induced by SUNLIGHT. CAROTENES contribute yellow and red coloration. Allomelanins,Melanin,Phaeomelanins
D008546 Melanoma, Experimental Experimentally induced tumor that produces MELANIN in animals to provide a model for studying human MELANOMA. B16 Melanoma,Melanoma, B16,Melanoma, Cloudman S91,Melanoma, Harding-Passey,Experimental Melanoma,Experimental Melanomas,Harding Passey Melanoma,Melanomas, Experimental,B16 Melanomas,Cloudman S91 Melanoma,Harding-Passey Melanoma,Melanoma, Harding Passey,Melanomas, B16,S91 Melanoma, Cloudman
D010936 Plant Extracts Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard. Herbal Medicines,Plant Extract,Extract, Plant,Extracts, Plant,Medicines, Herbal
D006027 Glycosides Any compound that contains a constituent sugar, in which the hydroxyl group attached to the first carbon is substituted by an alcoholic, phenolic, or other group. They are named specifically for the sugar contained, such as glucoside (glucose), pentoside (pentose), fructoside (fructose), etc. Upon hydrolysis, a sugar and nonsugar component (aglycone) are formed. (From Dorland, 28th ed; From Miall's Dictionary of Chemistry, 5th ed) Glycoside
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014442 Monophenol Monooxygenase An enzyme of the oxidoreductase class that catalyzes the reaction between L-tyrosine, L-dopa, and oxygen to yield L-dopa, dopaquinone, and water. It is a copper protein that acts also on catechols, catalyzing some of the same reactions as CATECHOL OXIDASE. EC 1.14.18.1. Dopa Oxidase,Phenoloxidase,Tyrosinase,Cresolase,Phenol Oxidase,Phenoloxidase A,Phenoloxidase B,Monooxygenase, Monophenol,Oxidase, Dopa,Oxidase, Phenol
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D031427 Narcissus A plant genus of the family Amaryllidaceae. Members contain ungiminorine and LECTINS. Daffodil,Daffodils
D035264 Flowers The reproductive organs of plants. Blooms, Plant,Blossoms,Pistil,Plant Style,Anther, Plant,Carpal, Plant,Carpals, Plant,Filament, Flower,Flower Filament,Ovary, Plant,Petals, Plant,Plant Anther,Plant Calyx,Plant Carpals,Plant Corolla,Plant Ovary,Plant Petals,Plant Sepals,Plant Stamen,Plant Stigma,Sepals, Plant,Stamen, Plant,Stigma, Plant,Style, Plant,Anthers, Plant,Bloom, Plant,Blossom,Calyx, Plant,Calyxs, Plant,Corolla, Plant,Corollas, Plant,Filaments, Flower,Flower,Flower Filaments,Ovaries, Plant,Petal, Plant,Pistils,Plant Anthers,Plant Bloom,Plant Blooms,Plant Calyxs,Plant Carpal,Plant Corollas,Plant Ovaries,Plant Petal,Plant Sepal,Plant Stamens,Plant Stigmas,Plant Styles,Sepal, Plant,Stamens, Plant,Stigmas, Plant,Styles, Plant

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