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Prof. Dr. Dorothea Ehlers                                                                                                          

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Ehlers D. and Pfister M.: Compounds of Vanillons (Vanilla pompona Schiede). Journal of Essential Oil Research 9 (1997) 427-431 (in English)



In literature the typical heliotropy odour of vanillons (Vanilla pompona Schiede, Guadeloupe vanilla) is frequently led back to a content of piperonal (heliotropin). This could not be confirmed by our HPLC analysis: although the examined pods showed a strong heliotropy odour, no piperonal was detectable. Furthermore it was ascertained that the vanillons contained p-hydroxybenzoic acid, vanillic acid, p-hydroxybenzaldehyde, p-anisyl alcohol, p-anisic acid and p-anisaldehyde additionally to vanillin, and that their composition evidently resembled more strongly Tahiti than Bourbon vanilla.


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