ハッサク(Citrus hassaku HORT.)およびオレンジ(Citrus sinensis OSBECK.)果皮中のフェニルプロパノイド配糖体の構造と生理活性 : 柑橘類果皮中の生理活性物質(第11報)

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The structure and hypotensive effect of phenyl propanoid glycosides in hassaku and orange peels are described in a series of studies of physiologically active substances in citrus peels. Six phenyl propanoid glycosides were isolated, and their structures were established : coniferin [1], syrinsin [2], dehydrodiconiferyl alcohol-4-β-glucoside [3], 1-(4-glucosyl-3-methoxyphenyl)-2-{2-methoxy-4-[1-(E)-propene-3-ol]-phenoxy}-propane-1,3-diol [4], 1-(4-glucosyl-3-methoxyphenyl)-2-{2,6-dimethoxy-4-[1-(E)-propene-3-ol]-phenoxy}-propane-1,3-diol [5] and 1-(4-glucosyl-3-methoxyphen-yl)-propane-2-ene [6] by MS, UV, ^1H-NMR and ^<13>C-NMR spectroscopy and chemical evidence. We propose the terms citrusin A, B and C for these new phenyl propanoid glycosides([4], [5] and [6]). Each component was intravenously injected in SHR-SP rats (1mg/100g body weight), and compounds [1] and [2] were found to raise rat blood pressure, but compounds [3], [4] and [6] lower rat blood pressure.
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