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    Article

    Bisindole alkaloids from Voacanga grandifolia leaves

    Two new bisindole alkaloids, 12′-O-demethyl-vobtusine-5-lactam and isovobtusine-N-oxide (1 and 2), were isolated from the leaves of Voacanga grandifolia, together with two known bisindole alkaloids. Their structu...

    Alfarius Eko Nugroho, Yurika Ono, Eunji ** in Journal of Natural Medicines (2021)

  2. Article

    Open Access

    Antiviral activities of Indonesian medicinal plants in the East Java region against hepatitis C virus

    Hepatitis C virus (HCV) is a major cause of liver disease and a potential cause of substantial morbidity and mortality worldwide. The overall prevalence of HCV infection is 2%, representing 120 million people ...

    Tutik Sri Wahyuni, Lydia Tumewu, Adita Ayu Permanasari, Evhy Apriani in Virology Journal (2013)

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    Article

    Sanjecumins A and B: new limonoids from Sandoricum koetjape

    Two new limonoids, sanjecumins A (1) and B (2), have been isolated from the leaves of Sandoricum koetjape, together with sandoripins A (3) and B (4). Their structures and absolute configurations were elucidated o...

    Yuta Nagakura, Alfarius Eko Nugroho, Yusuke Hirasawa in Journal of Natural Medicines (2013)