摘要：

OBJECTIVE To study the chemical constituents of Euonymus alatus(Thunb.)Sieb..METHODS Isolation and purification were carried out on silica gel,sephardex LH-20,macroporous absorbent resin and HPLC,et al.Constituents were identified by physicochemical properties and spectral analysis.RESULTS Wilforlide A(1),quercetin(2),phenylformic acid(3),hop-(22)-29-en-3β-ol(4),5-hydroxymethyl furfural(5),caffeine(6),squalene(7),and n-Pentacosane(8) were obtained and identified.CONCLUSION Compound 4-8 were isolated from Euonymus alatus for the first time.

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