Search Results - "Kim, Hyoung Ja"
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Chemical Constituents from Leaves of Hydrangea serrata and Their Anti-photoaging Effects on UVB-Irradiated Human Fibroblasts
Published in Biological & pharmaceutical bulletin (01-03-2019)“…Hydrangea serrata (THUNB.) SER. (Hydrangeaceae) leaves have been used as herbal teas in Korea and Japan. The objective of this study was to identify…”
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A New Diarylheptanoid Glycoside from the Stem Bark of Alnus hirsuta and Protective Effects of Diarylheptanoid Derivatives in Human HepG2 Cells
Published in Chemical & Pharmaceutical Bulletin (01-02-2010)“…To search for secondary metabolites of Alnus hirsuta (Betulaceae), various chromatographic separations of the ethyl acetate soluble fraction of the stem bark…”
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The Seed Extract of Cassia obtusifolia Ameliorates Learning and Memory Impairments Induced by Scopolamine or Transient Cerebral Hypoperfusion in Mice
Published in Journal of Pharmacological Sciences (2007)“…In the present study, we assessed the effect of the ethanolic extract of the seeds of Cassia obtusifolia (COE) on the learning and memory impairments induced…”
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Stilbene Derivatives as Human 5-HT6 Receptor Antagonists from the Root of Caragana sinica
Published in Biological & pharmaceutical bulletin (01-12-2010)“…The 5-HT6 receptor (5-HT6R) is a member of the class of recently discovered 5-hydroxytryptamine (5-HT) receptors. Due to the lack of selective 5-HT6R ligands,…”
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A New Chromone, 11-Hydroxy-sec-O-glucosylhamaudol from Ostericum koreanum
Published in Chemical & pharmaceutical bulletin (01-07-2007)“…From the ethyl acetate fraction of the roots of Ostericum koreanum, a new chromone, 11-hydroxy-sec-O-glucosylhamaudol (1) along with the known compounds: four…”
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Antioxidant and Inhibitory Activities of Filipendula glaberrima Leaf Constituents against HMG-CoA Reductase and Macrophage Foam Cell Formation
Published in Molecules (Basel, Switzerland) (10-01-2024)“…In our search for bioactive components, various chromatographic separations of the organic fractions from leaves led to the isolation of a new ellagitannin and…”
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Lupane Glycosides from the Leaves of Acanthopanax koreanum
Published in Chemical & Pharmaceutical Bulletin (01-11-2008)“…Three new lupane-type saponins, acankoreosides F—H (1—3) were isolated from the methanol extract of the leaves of Acanthopanax koreanum NAKAI. The structures…”
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A Novel Phenylsulfonamide Ameliorates the Cognitive Impairment in Mice Induced by Scopolamine
Published in Bulletin of the Korean Chemical Society (2018)Get full text
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An update on bioactive plant lignans
Published in Natural product reports (01-12-2005)“…Lignans are a class of secondary plant metabolites produced by oxidative dimerization of two phenylpropanoid units. Although their molecular backbone consists…”
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Hydrangenol Isolated from the Leaves of Hydrangea serrata Attenuates Wrinkle Formation and Repairs Skin Moisture in UVB-Irradiated Hairless Mice
Published in Nutrients (02-10-2019)“…Our previous study showed that hydrangenol isolated from leaves exerts antiphotoaging activity in vitro. In this study, we determined its antiphotoaging effect…”
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Hydrangea serrata (Thunb.) Ser. Extract Attenuate UVB-Induced Photoaging through MAPK/AP-1 Inactivation in Human Skin Fibroblasts and Hairless Mice
Published in Nutrients (01-03-2019)“…Skin photoaging is mainly caused by exposure to ultraviolet (UV) light, which increases expressions of matrix metalloproteinases (MMPs) and destroys collagen…”
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Development and Validation of a New Analytical HPLC-PDA Method for Simultaneous Determination of Cucurbitacins B and D from the Roots of Trichosanthes kirilowii
Published in Journal of chemistry (08-10-2022)“…Trichosanthes kirilowii, one of the herbal formulas named SH003, has been used for treatment in traditional medicine. This paper aimed to analyze the marker…”
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Antioxidant caffeic acid derivatives from leaves of Parthenocissus tricuspidata
Published in Archives of pharmacal research (01-03-2004)“…Five caffeic acid derivatives; methyl ester of caffeoylglycolic acid (1), dimethyl ester of caffeoyltartaric acid (2), dimethyl ester of caffeoyltartronic acid…”
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Aster glehni F. Schmidt Extract Modulates the Activities of HMG-CoA Reductase and Fatty Acid Synthase
Published in Plants (Basel) (25-10-2021)“…Aster glehni F. Schmidt (AG), is a natural product known to have anti-obesity effects, but the mechanism underlying these effects is not well documented. We…”
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Chemical constituents from aerial parts of Caryopteris incana and cytoprotective effects in human HepG2 cells
Published in Phytochemistry (Oxford) (01-05-2014)“…Three phenylpropanoid glycosides and two iridoid glycosides, together with 17 known compounds, were isolated from the aerial parts of Caryopteris incana…”
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Taraxinic Acid, a Hydrolysate of Sesquiterpene Lactone Glycoside from the Taraxacum coreanum NAKAI, Induces the Differentiation of Human Acute Promyelocytic Leukemia HL-60 Cells
Published in Biological & pharmaceutical bulletin (01-11-2002)“…The present work was performed to elucidate the active moiety of a sesquiterpene lactone, taraxinic acid-1′-O-β-D-glucopyranoside (1) from Taraxacum coreanum…”
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Neuroprotective effects of antioxidative flavonoids, quercetin, (+)-dihydroquercetin and quercetin 3-methyl ether, isolated from Opuntia ficus-indica var. saboten
Published in Brain research (07-03-2003)“…The flavonoids quercetin, (+)-dihydroquercetin, and quercetin 3-methyl ether were isolated from the ethyl acetate fractions of the fruits and stems of Opuntia…”
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Caffeoylquinic Acid-Rich Extract of Aster glehni F. Schmidt Ameliorates Nonalcoholic Fatty Liver through the Regulation of PPARδ and Adiponectin in ApoE KO Mice
Published in PPAR Research (01-01-2017)“…Aster glehni is well known for its therapeutic properties. This study was performed to investigate the effects of A. glehni on nonalcoholic fatty liver disease…”
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Corrigendum to “Caffeoylquinic Acid-Rich Extract of Aster glehni F. Schmidt Ameliorates Nonalcoholic Fatty Liver through the Regulation of PPARδ and Adiponectin in ApoE KO Mice”
Published in PPAR research (2019)“…In the article titled “Caffeoylquinic Acid-Rich Extract of Aster glehni F. Schmidt Ameliorates Nonalcoholic Fatty Liver through the Regulation of PPARδ and…”
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Constituents of the stems and fruits ofOpuntia ficus-indica var.saboten
Published in Archives of pharmacal research (01-12-2003)“…From the stems and fruits ofOpuntia ficus-indica var.saboten, eight flavonoids, kaempferol (1), quercetin (2), kaempferol 3-methyl ether (3), quercetin…”
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