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Shoot cultures of eight Hypericum species belonging to the sections Hypericum, Oligostema, Ascyreia and Webbia were evaluated for their phytochemical profiles by high-performance liquid chromatography. In total, 17 secondary metabolites assigned to the groups of anthraquinones, phloroglucinols,
The fungus Pyrenophora tritici-repentis can infect wheat kernels, causing red smudge, and has been shown to produce the anthraquinone mycotoxins emodin, catenarin, and islandicin. The growth of 8 fungal isolates from diverse regions was evaluated on various culture media and was found to be
For the first time, an endophytic fungus has been isolated from the stems of the medicinal herb Hypericum perforatum (St. John's Wort). The fungus produced the napthodianthrone derivative hypericin ( 1) in rich mycological medium (potato dextrose broth) under shake flask and bench scale fermentation