| Summary: | 碩士 === 靜宜大學 === 應用化學系 === 87 === Erythrina arborescens Roxb.(Leguminosae) is a large deciduous tree widely distributed in the subtropical and tropical regions. It is also often planted in garden and roadside.
From the methanolic extracts of stem bark of Erythrina arborescens Roxb. eleven components were obtained. These components are including p-hydroxybenzoic acid, p-hydroxy -benzoic methyl ester, squalene, oleanolic acid, uracil, phyto -sterols, phytosterol glucosides, alpinumisoflavone, erythri-varone C, warangalone, erythrinin C. These structures were indentified by spectroscopic and chemical methods.
Among the above components, p-hydroxybenzoic acid, p-hydroxybenzoic methyl ester, squalene, oleanolic acid, uracil, phytosterol glucosides, alpinumisoflavone, erythriva-rone C, warangalone, erythrinin C were first isolated from this plant.
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