Analysis of pulegone and its enanthiomeric distribution in mint-flavoured food products

A procedure for the extraction and determination of pulegone enanthiomers in mint essential oils and mint products (syrups, dried leaves, toothpaste, lozenges, candy and chewing-gum) was developed. The compounds were recovered from the food matrices by employing a simultaneous distillation-extractio...

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Bibliographic Details
Published in:Food additives and contaminants 2005-03, Vol.22 (3), p.197-103
Main Authors: Siano, F, Catalfamo, M, Cautela, D, Servillo, L, Castaldo, D
Format: Article
Language:English
Subjects:
Aroma and flavouring agent industries
artificial flavorings
Biological and medical sciences
candy
chemical analysis
chewing gum
chiral analysis
dried herbs
enantiomers
Flavoring Agents - chemistry
food analysis
Food Analysis - methods
Food engineering
Food industries
Food Industry - methods
food products
Fundamental and applied biological sciences. Psychology
Gas Chromatography-Mass Spectrometry - methods
General aspects
Mentha
Mentha - chemistry
Mentha piperita - chemistry
mint
Monoterpenes - analysis
natural additives
Oils, Volatile - chemistry
peppermint oil
Plant Leaves - chemistry
Plant Oils - chemistry
Pulegone
simultaneous distillation extraction (SDE)
syrups
toxic substances
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Summary:A procedure for the extraction and determination of pulegone enanthiomers in mint essential oils and mint products (syrups, dried leaves, toothpaste, lozenges, candy and chewing-gum) was developed. The compounds were recovered from the food matrices by employing a simultaneous distillation-extraction (SDE) technique with a Likens-Nickerson apparatus using dichloromethane as an extraction solvent. The analyses were performed by capillary gas chromatography mass spectrometry (GC/MS). Experiments on food products spiked at different pulegone concentrations showed recoveries ranging from 95 to 106%. The detection limit was about 5 mg l(-1) for both pulegone enanthiomers and good linearity was found in the concentration range 0.5-25 mg l(-1). In a number of repeated analyses, the pulegone peak height repeatability (RSD) was 0.2%. The pulegone enanthiomers were separated and quantified by enanthioselective multidimensional gas chromatography. The results of analyses conducted on essential mint oils and mint-flavoured food products are reported.
ISSN:0265-203X
1464-5122
DOI:10.1080/02652030500041581