Isolation and determination of optically pure carvone enantiomers from caraway (Carum carvi L.), dill (Anethum graveolens L.), spearmint (Mentha spicata L.) and Mentha longifolia (L.) Huds.
- 1 September 1987
- journal article
- research article
- Published by Wiley in Flavour and Fragrance Journal
- Vol. 2 (3) , 95-97
- https://doi.org/10.1002/ffj.2730020303
Abstract
Optically pure (S)‐(+)‐carvone was isolated from the essential oils of the fruits of caraway and dill. Optically pure (R)‐(−)‐carvone was isolated from the essential oils of the leaves of spearmint and Mentha longifolia. Determination of the enantiomeric purity of the natural flavour was performed by 1H‐NMR spectroscopy using a chiral lanthanide shift reagent, Eu(hfc)3.Keywords
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