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Stigmasterol has been isolated from the stem bark extract of  Melochia umbellata  (Houtt) Stapf var. Visenia. The methods used include multilevel maceration, fractionation, and crystallization. Elusidation structure of compound based on spectroscopy data IR, 1H and  13 C NMR. Stigmasterol obtained has the potential as a dengue antiviral agent with IC50 9.11 μg / mL.

Potential of stigmasterol from EtOAc extract Melochia umbellata (Houtt) Stapf var. Visenia as Dengue Antivirus