The invention relates to substance mixtures, containing (a) 20 to 80 wt% of monocyclic terpenes and (b) 80 to 20 wt% of active ingredients, selected from the group comprising rebaudiosides or plant extracts containing rebaudiosides, steviosides or plant extracts containing steviosides, naringin dihydrochalcone, mogrosides or plant extracts containing mogrosides, and rubusosides or plant extracts containing rubusosides.