Abstract
Representatives from eight wild populations ofHypericum perforatum L. were collected from Montana and Northern California at flowering, and subsequently analyzed for hypericin and pseudohypericin using HPLC analysis. Total individual plant concentrations in these wild populations were from 0.0003–0.1250% dry weight (DW) hypericin and 0.0019–0.8458% DW pseudohypericin. In general, hypericin concentrations were highest in the plant’s reproductive (flower and bud) tissues, followed by leaf and stem tissues, respectively. Hypericin and pseudohypericin concentrations were positively correlated in all samples, although the relative ratio of hypericin to pseudohypericin varied with site location.
Resumen
Los representantes a partir de ocho poblaciones silvestres delHypericum perforatum L. fueron recogidos de Montana y de California norteña en el florecimiento, y analizados posteriormente para el hypericin y el pseudohypericin usando análisis del HPLC. Las concentraciones totales de la planta individual en estas poblaciones silvestres eran a partir de 0,0003–0,1250% peso seco hypericin y 0,0019–0,8458% peso seco pseudohypericin. En general, las concentraciones del hypericin eran las más altas de los tejidos reproductivos de la planta (flor y capullos), seguidos por la hoja y los tejidos del tallo, respectivamente. Las concentraciones de Hypericin y del pseudohypericin fueron correlacionadas positivamente en todas las muestras, aunque la relación relativa del hypericin al pseudohypericin varió con la localización de sitio.
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Sirvent, T.M., Walker, L., Vance, N. et al. Variation in Hypericins from wild populations ofHypericum perforatum L. in the Pacific Northwest of the U.S.A.. Econ Bot 56, 41–48 (2002). https://doi.org/10.1663/0013-0001(2002)056[0041:VIHFWP]2.0.CO;2
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DOI: https://doi.org/10.1663/0013-0001(2002)056[0041:VIHFWP]2.0.CO;2