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Chiral gc analysis of menthone and isomenthone with high enantiomeric purities in laboratory-made and commercial essential oils

โœ Scribed by Uzi Ravid; Eli Putievsky; Irena Katzir

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
262 KB
Volume
9
Category
Article
ISSN
0882-5734

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โœฆ Synopsis

Direct separation of the enantiomers of the two diastereomers, menthone and isomenthone, was performed using an octakis-(IO-butyryl-2,6-di-O-pentyl)-y-cyclodextrin phase. Enantiomerically pure (-)-menthone and (+)isomenthone were detected in many oils of Mentha, Micromeria fruticosa (L.) Druce and Calamintha i n d n a (Sm.)

Heldr. High enantiomeric purities of (+)-menthone and (-)-isomenthone were detected in commercial and freshly distilled geranium oils. KEY WORDS (IS,4R)-(+)-Menthone (lRPS)-(-)-Menthone (IR,4R)-(+)-Isomenthone (lS,4S)-(-)-Isomenthone Enantiomeric composition Essential oils Menrha piperira L. Menrha longifolia (L.) Huds. Geranium Calmintha inc&na (Sm.) Heldr.

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Chiral GC analysis of (S)(+)- and (R)(โˆ’)-carvone with high enantiomeric purity in caraway, dill and spearmint oils
โœ Uzi Ravid; Eli Putievsky; Irena Katzir; Vera Weinstein; Raphael Ikan ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 261 KB ๐Ÿ‘ 1 views

S)( + )-Carvone with high enantiomeric purity was detected in the seed and herb oils of caraway and dill. High enantiometic purity of (RX -)-carvone was detected in the oils of spearmint from various sources. Direct enantiomer separation of carvone from essential oils and synthetic samples was perfo