Three New Multiflorane-Type Triterpenes from Pumpkin (Cucurbita maxima) Seeds

Three new multiflorane-type triterpenes; 7α-methoxymultiflor-8-ene-3α,29-diol 3-acetate-29-benzoate (1), 7-oxomultiflor-8-ene-3α,29-diol 3-acetate-29-benzoate (2), and multiflora-7,9(11)-diene-3α,29-diol 3-p-hydroxybenzoate-29-benzoate (3), were isolated from seeds of Cucurbita maxima, along with th...

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Detalles Bibliográficos
Autores principales: Kikuchi, Takashi, Takebayashi, Mika, Shinto, Mayumi, Yamada, Takeshi, Tanaka, Reiko
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2013
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6270121/
https://www.ncbi.nlm.nih.gov/pubmed/23673529
http://dx.doi.org/10.3390/molecules18055568
Descripción
Sumario:Three new multiflorane-type triterpenes; 7α-methoxymultiflor-8-ene-3α,29-diol 3-acetate-29-benzoate (1), 7-oxomultiflor-8-ene-3α,29-diol 3-acetate-29-benzoate (2), and multiflora-7,9(11)-diene-3α,29-diol 3-p-hydroxybenzoate-29-benzoate (3), were isolated from seeds of Cucurbita maxima, along with three known compounds. Compound 3 and multiflora-7,9(11)-diene-3α-29-diol 3-benzoate (5) exhibited potent inhibitory effects on melanogenesis, with low cytotoxicities, and 2 exhibited single-digit micromolar cytotoxicity against HL-60 and P388 cells.

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