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Fungus from St. John’s Wort Produces Hypericin.

Posted on June 21, 2008 by Dr. Gary Pack

For the first time the authors have extracted an endophytic fungus from the stems of St. John’s Wort herb (Hypericum perforatum) which produces hypericin. The fungus produces emodin, also. The authors believe emodin is a precursor to hypericin, as is protohypericin. St. John’s Wort, which is of limited supply, is the only known source of […]

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