Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

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Chemical constituents of Cycas flabellata

Author(s): Vincent Antonio S. Ng, Esperanza Maribel G. Agoo, and Chien-Chang and Consolacion Y. Ragasa

Chemical investigation of the dichlroromethane extracts of Cycas flabellata, a plant endemic to the Philippines afforded squalene(1), phytyl fatty acid ester (2), lutein (3),and long chain 1-alkenes (4) from the leaflets; a mixture of β-sitosterol (5) andstigmasterol (6), triacylglycerols (7), and hydrocarbons (8)from the bark; 7and β-sitosteryl fatty acid esters (9) from the sarcotesta; and a mixture of 5and 6, 8, and 9from the megasporophyll lamina. The structures of 1-9 were identified by comparison of their NMR data with literature data.


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