Abstract

Two new Erythrina alkaloid glycosides, 1 and 2, and three new diarylpropanoid glycosides 12–14 together with nine known compounds were isolated from the MeOH extracts of the seeds of Erythrina velutina. The structures and absolute configurations of these new compounds were elucidated through comprehensive spectroscopic analyses as well as experimental and calculated ECD data. The inhibitory potency of these compounds against nitric oxide production in LPS-induced RAW 264.7 cells and the cytotoxicity of these compounds against the HeLa and HL-60 human cancer cell lines were also discussed.

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