Level of study
BAC +4
ECTS
2 credits
Component
Faculty of Science
Description
- Terms and definition of natural raw materials (ISO/TC54 "Essential oil")
- Extraction methods of volatile constituents: obtaining essential oils, extraction of aromas, extraction with supercritical CO2, ESAM process, VMHD extraction techniques of the headspace, 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
TP : 8h
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 the theoretical teaching on the extraction of flavors and essential oils and their characterization.
Necessary pre-requisites
Organic and analytical chemistry at the Bachelor's level
Knowledge control
70% Written (2 sessions)
30% TP (1 session)
Syllabus
Essential oils, concretes, absolutes, alcoholates, hydrolates, oleoresins, resinoids, tinctures, infusions, rectifications, deterpenation.
Hydrodistillation, steam stripping, 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.
Additional information
Administrative contact(s):
Secretariat Master Chemistry
master-chimie @ umontpellier.fr @
https://master-chimie.edu.umontpellier.fr