An iridoid diester from Valeriana officinalis var. sambucifolia hairy roots

agrobacterium rhizogenes analytical methods chemical structure cultivo in vitro culture in vitro drug plants espectrometria genetic transformation glicosidos glycoside glycosides in vitro culture iridoids medicinal plants plantas medicinales plante medicinale racine roots spectral analysis spectrometrie spectrometry structure chimique technique analytique valeriana officinalis valerianaceae