norartocarpetin/duonmedis

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StraipsniaiKlinikiniai tyrimaiPatentai

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14 rezultatus

Norartocarpetin from a folk medicine Artocarpus communis plays a melanogenesis inhibitor without cytotoxicity in B16F10 cell and skin irritation in mice.

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BACKGROUND Many natural products used in preventive medicine have also been developed as cosmeceutical ingredients in skin care products, such as Scutellaria baicalensis and Gardenia jasminoides. Norartocarpetin is one of the antioxidant and antityrosinase activity compound in Artocarpus communis;

Flavonoids and triterpenes from the leaves of Artocarpus fulvicortex.

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Five flavonoids, 5-hydroxy-(6:7,3':4')-di(2,2-dimethylpyrano)flavone 1, carpachromene 2, cycloartocarpesin 3, norartocarpetin 4 and 2'-hydroxy-4,4',6'-trimethoxychalcone 5, along with three triterpenes, friedelin 6, lupeol 7 and 13-sitosterol 8 were isolated for the first time from the leaves of

Chemical components and tyrosinase inhibitors from the twigs of Artocarpus heterophyllus.

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An HPLC method was developed and validated to compare the chemical profiles and tyrosinase inhibitors in the woods, twigs, roots, and leaves of Artocarpus heterophyllus . Five active tyrosinase inhibitors including dihydromorin, steppogenin, norartocarpetin, artocarpanone, and artocarpesin were used

Anti-inflammatory effects of phenolic compounds isolated from the fruits of Artocarpus heterophyllus.

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Artocarpus heterophyllus Lam is a large evergreen tree cultivated throughout Southeast Asia for its fruits. Its leaves and roots have been used for medicinal purposes. The aim of this work was to study the in vitro anti-inflammatory effects of phenolic compounds isolated from the ethyl acetate

Prenylated flavonoids from Artocarpus altilis: antioxidant activities and inhibitory effects on melanin production.

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Flavonoids, 10-oxoartogomezianone (1), 8-geranyl-3-(hydroxyprenyl)isoetin (2), hydroxyartoflavone A (3), isocycloartobiloxanthone (4), and furanocyclocommunin (5), together with 12 known compounds, were isolated from heartwood and cortex of Artocarpus altilis, and their structures were identified by

Stilbenes and flavonoids from Artocarpus nitidus subsp. lingnanensis.

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The first stilbene possessing a γ-aminobutyric acid lactam function, artocarpene (1), and a new flavanone, 2-hydroxynaringenin 4'-O-β-d-glucopyranoside (2), were isolated from the stems of Artocarpus nitidus subsp. lingnanensis along with four known compounds, 2-hydroxynaringenin (3), oxyresveratrol

Chemical constituents derived from Artocarpus xanthocarpus as inhibitors of melanin biosynthesis.

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Twenty-four compounds, including the previously unknown artoxanthocarpuone A, artoxanthocarpuone B, hydroxylakoochin A, methoxylakoochin A, epoxylakoochin A, and artoxanthol, were isolated and characterized spectroscopically. Among them, artoxanthol is stilbene oligomer presumably constructed in a

Tyrosinase inhibitors from Artocarpus gomezianus.

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Eight compounds including, phenyl-beta-naphthylamine (1), isocyclomorusin (2), cycloartocarpin (3), artocarpin (4), norartocarpetin (5), cudraflavone C (6), albanin A (7), and resveratrol (8) were isolated from the roots of Artocarpus gomezianus. Compounds 5 and 8 exhibited potent tyrosinase

Isolation of tyrosinase inhibitors from Artocarpus heterophyllus and use of its extract as antibrowning agent.

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A new furanoflavone, 7-(2,4-dihydroxyphenyl)-4-hydroxy-2-(2-hydroxy propan-2-yl)-2, 3-dihydrofuro(3, 2-g)chromen-5-one (artocarpfuranol, 1), together with 14 known compounds, dihydromorin (2), steppogenin (3), norartocarpetin (4), artocarpanone (5), artocarpesin (6), artocarpin (7), cycloartocarpin

Constituents of the bark and twigs of Artocarpus dadah with cyclooxygenase inhibitory activity.

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Fractionation of an ethyl acetate-soluble extract of the bark of Artocarpus dadah has led to the isolation of three new prenylated stilbenoid derivatives, 3-(gamma,gamma-dimethylallyl)resveratrol (1), 5-(gamma,gamma-dimethylallyl)oxyresveratrol (2), 3-(2,3-dihydroxy-3-methylbutyl)resveratrol (3),

Antiherpetic flavones from the heartwood of Artocarpus gomezianus.

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The heartwood of Artocarpus gomezianus was investigated for anti-herpetic principles. During the course of the separation, a new compound, artogomezianone (1), was isolated, along with the known compounds cycloartocarpin (2), isocyclomorusin (3), artocarpin (4), norcycloartocarpin (5),

Artocarpus plants as a potential source of skin whitening agents.

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Artocarpus plants have been a focus of constant attention due to the potential for skin whitening agents. In the in vitro experiment, compounds from the Artocarpus plants, such as artocarpanone, norartocarpetin, artocarpesin, artogomezianol, andalasin, artocarbene, and chlorophorin showed tyrosinase

Artocarmins G-M, Prenylated 4-Chromenones from the Stems of Artocarpus rigida and Their Tyrosinase Inhibitory Activities.

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Phytochemical analysis of an EtOAc extract of the stems of Artocarpus rigida led to the identification of seven new prenylated 4-chromenones, artocarmins G-M (1-7), and nine known compounds (8-17). Their structures were identified based on physical data analysis. In the tyrosinase inhibitory

Tyrosinase inhibitory activity of flavonoids from Artocarpus heterophyllous.

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BACKGROUND Tyrosinase is an oxidoreductase that is very important in medicine and cosmetics because the excessive production of melanin causes hyperpigmentation. The development of novel, effective tyrosinase inhibitors has long been pursued. In preliminary tests, we found that an extract of the

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