Results 101 to 110 of about 436 (127)
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Gallic acid esters of bergenin and norbergenin from Mallotus japonicus
Phytochemistry, 1990Abstract Four new gallotannins, 3,4-di-O-, 4,11-di-O- and 3,4,11-tri-O-galloylbergenins and 4-O-galloylnorbergenin, have been isolated from the bark and leaves of Mallotus japonicus, and their structures elucidated on the basis of chemical and spectroscopic evidence.
Reiko Saijo +2 more
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Cryo-scanning electron microscopy studies of pits in Pinus Wallichiana and Mallotus Japonicus
IAWA Journal, 2010Pits of a softwood (Pinus wallichiana) and a hardwood (Mallotus japonicus) were studied by Cryo-scanning electron microscopy (Cryo-SEM). The samples were chemically untreated and fully hydrated during freezing. Tori of P. wallichiana were frequently aspirated.
Roth-Nebelsick, A., Voigt, D., Gorb, S.
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Food Chemistry, 2008
The antioxidative properties of a hot water extract of the leaves of Mallotus japonicus were evaluated. The extract had a high phenolic content and strong antioxidative activity, compared with green tea, rooibos tea, and red wine. Six phenolic compounds were isolated as antioxidative components by HPLC.
Hiromasa, Tabata +5 more
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The antioxidative properties of a hot water extract of the leaves of Mallotus japonicus were evaluated. The extract had a high phenolic content and strong antioxidative activity, compared with green tea, rooibos tea, and red wine. Six phenolic compounds were isolated as antioxidative components by HPLC.
Hiromasa, Tabata +5 more
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Glucosylation of isomeric hydroxybenzoic acids by cell suspension cultures of Mallotus japonicus
Phytochemistry, 1990Abstract Cultured cells of Mallotus japonicus converted exogenous o -hydroxybenzoic acid into its O -glucoside after a lag period of 8 hr during which time the aglycone was taken up rapidly by the cells, partly excreted and then re-absorbed. The glucosylation of the aglycone into o - O -β- d -glucosylbenzoic acid began almost simultaneously with
Shigeo Tanaka +3 more
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Journal of Ethnopharmacology, 2000
To determine the antihepatotoxic activity of bergenin from Mallotus japonicus, carbon tetrachloride (CCl4)-induced cytotoxicity in primary cultured rat hepatocytes has been adopted as an assay system. Bergenin significantly reduced the activities of glutamic pyruvic transaminase and sorbitol dehydrogenase released from the CCl4-intoxicated hepatocytes.
H S, Kim, H K, Lim, M W, Chung, Y C, Kim
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To determine the antihepatotoxic activity of bergenin from Mallotus japonicus, carbon tetrachloride (CCl4)-induced cytotoxicity in primary cultured rat hepatocytes has been adopted as an assay system. Bergenin significantly reduced the activities of glutamic pyruvic transaminase and sorbitol dehydrogenase released from the CCl4-intoxicated hepatocytes.
H S, Kim, H K, Lim, M W, Chung, Y C, Kim
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Journal of Ethnopharmacology, 2000
The hepatoprotective effects of bergenin, a major constituent of Mallotus japonicus, were evaluated against carbon tetrachloride (CCl(4))-induced liver damage in rats. Bergenin at a dose of 50, 100 or 200 mg/kg was administered orally once daily for successive 7 days and then a mixture of 0.5 ml/kg (ip) of CCl(4) in olive oil (1:1) was injected two ...
H K, Lim +4 more
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The hepatoprotective effects of bergenin, a major constituent of Mallotus japonicus, were evaluated against carbon tetrachloride (CCl(4))-induced liver damage in rats. Bergenin at a dose of 50, 100 or 200 mg/kg was administered orally once daily for successive 7 days and then a mixture of 0.5 ml/kg (ip) of CCl(4) in olive oil (1:1) was injected two ...
H K, Lim +4 more
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Journal of Plant Research, 2017
The disadvantage of induced defenses compared with constitutive defenses is the time during which a plant is vulnerable to herbivory before activation. There is obvious importance in determining the costs and benefits of induced defenses. Some plants produce extrafloral nectaries (EFNs), which attract ants that protect against herbivores, and induce ...
Akira, Yamawo, Nobuhiko, Suzuki
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The disadvantage of induced defenses compared with constitutive defenses is the time during which a plant is vulnerable to herbivory before activation. There is obvious importance in determining the costs and benefits of induced defenses. Some plants produce extrafloral nectaries (EFNs), which attract ants that protect against herbivores, and induce ...
Akira, Yamawo, Nobuhiko, Suzuki
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Journal of Ethnopharmacology, 2000
This study was designed to investigate the effects of bergenin against D-galactosamine-induced injury in primary cultured rat hepatocytes. Bergenin (100 microM) decreased the release of glutamic pyruvic transaminase and sorbitol dehydrogenase by 62 and 50%, respectively, into hepatocyte medium incubated for 14 h with 1.5 mM galactosamine. Decreased RNA
H K, Lim, H S, Kim, M W, Chung, Y C, Kim
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This study was designed to investigate the effects of bergenin against D-galactosamine-induced injury in primary cultured rat hepatocytes. Bergenin (100 microM) decreased the release of glutamic pyruvic transaminase and sorbitol dehydrogenase by 62 and 50%, respectively, into hepatocyte medium incubated for 14 h with 1.5 mM galactosamine. Decreased RNA
H K, Lim, H S, Kim, M W, Chung, Y C, Kim
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