Natural aromatic raw materials: production

  • Study level

    BAC +4

  • ECTS

    2 credits

  • Component

    Faculty of Science

Description

- Terms and definition of natural raw materials (ISO/TC54 "Essential oils") 

- Extraction methods for volatile constituents: obtaining essential oils, flavor extraction, supercritical CO2 extraction, ESAM process, VMHD extraction, headspace extraction techniques, SPME...
- Characterization of volatile constituents: Gas Chromatography (GC), Ultra Fast Gas Chromatography (UFGC), Flame Ionization Detector (FID), Gas Chromatography-Mass Spectrometry (GC-MS), GC-FTIR, Comprehensive two-dimensional gas chromatography (GC-GC), chiral chromatographic analysis, GC-olfactometry, electronic nose.

Hourly volumes* :

CM: 12h

Practical work: 8h

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Objectives

Knowledge of the origin, natural occurrence, extraction conditions and characterization of the volatile fraction of aromatic plants (essential oils) and flavors.

Experimental training: Application of theoretical teaching on the extraction of flavors and essential oils and their characterization.

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Necessary prerequisites

Organic and Analytical Chemistry Bachelor's degree level

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Knowledge control

70% Written (2 sessions)

30% TP (1 session)                                        

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Syllabus

Essential oils, concretes, absolutes, alcoholates, hydrolates, oleoresins, resinoids, tinctures, infusions, rectification, deterpenation.

Hydrodistillation, steam distillation, expression, dry distillation, volatile solvent extraction, supercritical fluids, enfleurage, microwave-assisted extractions (SFME, VMHD, ESAM), solid-phase microextraction (SPME).

GC, UFGC, GC-FID, GC-MS, GC-O, GC-FTIR, GC-GC.

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Further information

Administrative contact(s) :

 

Secretariat Master Chemistry

master-chimie @ umontpellier.fr @

https://master-chimie.edu.umontpellier.fr

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