Abstract
Resveratrol was glucosylated to its 3- and 4'-β-glucosides by cultured cells of Phytolacca americana. On the other hand, cultured P. americana cells glucosylated pterostilbene to its 4'-β-glucoside. P. americana cells converted piceatannol into its 4'-β-glucoside. The 3- and 4'-β-glucosides of resveratrol were further glucosylated to 3- and 4'-β-maltosides of resveratrol, 4'-β-maltoside of which is a new compound, by cyclodextrin glucanotransferase. Resveratrol 3-β-glucoside and 3-β-maltoside showed low 2,2-diphenyl-1-picrylhydrazyl free-radical-scavenging activity, whereas other glucosides had no radical-scavenging activity. Piceatannol 4'-β-glucoside showed the strongest inhibitory activity among the stilbene glycosides towards histamine release from rat peritoneal mast cells. Pterostilbene 4'-β-glucoside showed high phosphodiesterase inhibitory activity.
Keywords:
glycoside; piceatannol; pterostilbene; resveratrol.
MeSH terms
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Animals
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Anti-Allergic Agents / chemical synthesis
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Anti-Allergic Agents / chemistry
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Anti-Allergic Agents / pharmacology
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Biphenyl Compounds
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Cell Line
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Chemistry Techniques, Synthetic
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Free Radical Scavengers / chemical synthesis
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Free Radical Scavengers / chemistry
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Free Radical Scavengers / pharmacology
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Glycosides / chemistry*
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Histamine Release / drug effects
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Male
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Neuroprotective Agents / chemical synthesis
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Neuroprotective Agents / chemistry
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Neuroprotective Agents / pharmacology
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Phosphodiesterase Inhibitors / chemical synthesis
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Phosphodiesterase Inhibitors / chemistry
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Phosphodiesterase Inhibitors / pharmacology
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Picrates
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Rats
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Resveratrol
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Stilbenes / chemical synthesis*
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Stilbenes / chemistry
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Stilbenes / pharmacology*
Substances
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Anti-Allergic Agents
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Biphenyl Compounds
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Free Radical Scavengers
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Glycosides
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Neuroprotective Agents
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Phosphodiesterase Inhibitors
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Picrates
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Stilbenes
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pterostilbene
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3,3',4,5'-tetrahydroxystilbene
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1,1-diphenyl-2-picrylhydrazyl
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Resveratrol