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Application Of Gc In Flavour Analysis

980 words - 4 pages

Application of GC in Flavors and Fragrances

Dr. K. R.Swaminathan
International Flavor & Fragrances India Private Ltd, Chennai
November 24, 2012

GC – Flavor and Fragrance Industry
Identification & quantification
 Process control and monitoring
 Quality control and detection of non permitted
materials
 Product Development
 Shelf life stability studies
 Investigation of sensory complaints in end products

GC Qualitative Tool
Peak to peak comparison of the chromatograms of the
sample with reference
 Missing Peak? Or Missed addition
 Extra Peak? Or Wrong addition
 Over Addition?
 Cross Contamination

Comparison of Flavor Sample Vs Reference

...view middle of the document...

443

11.452

9.641

16.253
17.324
18.012

Sample
9.338
10.147
11.156 10.918
12.067
12.534
12.836

80
70
60
50
40
30
20
10
0

3.326
3.479
4.127
4.201
5.196

pA

3.747

FID1 A, (D:\CHEM
32\TEM
P\ECM
EXPORT362-000007.D)

30

40

m
in

Gold
Standard

9.328 9.635
10.136
11.143
11.440
12.046
12.158
12.513
12.801
13.236

80
70
60
50
40
30
20
10
0

3.323
3.476
4.123

pA

20

3.715

10
FID1 A, (D:\CHEM
32\TEM
P\ECM
EXPORT362-000010.D)

10

20

30

40

Significant intensity and peak differences in 8-20 min region.

m
in

Detection of Trace Contaminants
Toluene in Flavor Samples
 Diethyl Phthalate in Flavor & Fragrance Sample
 BHA & BHT in Flavor & Fragrance Sample
 Residual Solvents in in Flavor & Fragrance Raw
Material Sample

Diethyl phthalate in Fragrance Raw Material

Detection of Trace Contaminants

Residual Solvents

Quantification - SIM Mode
Scan

SIM

Gas Chromatography Olfactometry
Multidimensional GC System
• Complete software control
• Capillary Flow Technology
• Integrated cold trap system
• Cooled Injection System – CIS
• MACH/Agilent LTM
• Olfactory Detection Port - ODP
• Preparative Fraction Collector - PFC
• Multi Purpose Sampler - MPS
• Thermal Desorption System - TDS
• Twister Desorption System - TDU
• Agilent Technologies GC/MSD

Olfactory Detector Port allows the sensing of compounds by the human nose
as they elute from the column of a gas chromatograph. The effluent is split as
it leaves the column so that it arrives simultaneously at the nose and at
another detector such as a mass spectrometer

Olfactory –GC in Creation R&D

Professional tester analyzing an aroma extract by GC/O

Olfactory –GC in Creation...

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