Rosendo Archbold

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Based on the previously reported in vitro antiplasmodial activity of several xanthones from Garcinia mangostana, two xanthones, α-mangostin and a new compound, δ-mangostin, were isolated from mangosteen husk, and the in vitro antiplasmodial and cytotoxic effects were determined. α-Mangostin was more active against the resistant Plasmodium falciparum(More)
Phenylphenalenones represent a kind of phytoalexins produced in leaves and rhyzomes of banana and plantains (Musaceae), as well as in species of other families. These compounds are synthesized in plants by induction with aminoglycosides, or in the first stages of attack by the pathogenic fungus Mycosphaerella fijensis, a causal agent of the disease known as(More)
Ground pearl (Eurhizococcus colombianus) is a crop pest in Colombia, with special impact on fig, grass, rubus and tomato plants. The insect is resistant to external insecticide application because it produces a thick waxy shell that isolates it from the environment. The composition of this shell was determined by NMR and MS as a triglyceride, whose fatty(More)
Unfortunately, the original version of this article was published with mistakes. The corrections are given in this erratum article. First page: Börger (1940)—Börger (1944). Second page: irenolone (number)—irenolone (1). Third page: belonging to to the Musaceae—belonging to the same taxonomical group of Musaceae; or(More)
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