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Designer drugs in herbal aphrodisiacs

Designer drugs in herbal aphrodisiacs

  1. ThirdEyeFloond
    Forensic Science International
    Volume 177, Issues 2-3, 20 May 2008, Pages e25-e27

    Bastiaan J. Venhuis, Leonore Blok-Tip and Dries de Kaste

    Abstract

    In the presented case three herbal aphrodisiacs (Libidfit, Satibo and Viamax) were investigated for the presence of regular pharmaceuticals against erectile dysfunction. However, high-performance liquid chromatography with diode array detection and mass spectrometry (HPLC-DAD–MS) and nuclear magnetic resonance (NMR) analyses revealed the presence of ingredients, having a molecular structure strongly resembling those of sildenafil (Viagra) and vardenafil (Levitra).

    The health risk posed by these analogous substances is high because they were found to be potent phosphodiesterase 5 (PDE5) inhibitors used in pharmacologically relevant quantities having no known safety profile.

    Based on structural and functional analogy these analogs represent a new class of designer drugs and should be taken off the market for being unapproved drug substances. In the Libidfit court case this was done successfully, setting a precedent.