Number of works published in the period 2001–2011 found through a search in the database Food Science and Technology Abstracts (FSTA) using as key terms the names of the analytical technique indicated in each case.
Technique
Number of ref.
Sample preparation
Microwave-assisted extraction
384
Headspace
2571
Solid phase extraction
3866
Supercritical fluid extraction
680
Purge and trap
151
Flow injection analysis
393
Pressurized liquid extraction
436
Microextraction
2201
Biological
Biosensors
750
PCR
7085
Microbiological analysis
416
Recombinant DNA
220
Immunological techniques
3008
Othersa
118
Separation
Liquid chromatography
8927
Gas chromatography
4798
SDS/PAGE
3227
Capillary electrophoresis
1155
Supercritical fluid chromatography
51
LC LC, LC-LC
27
GC GC, GC-GC
210
LC-GC
38
Spectroscopic
Mass spectrometry
5030
Fluorescence
4807
NMR
3735
Infrared
2369
X-ray
2119
Ultraviolet
1429
Atomic spectroscopy
1046
Electron spectroscopy
1026
Light scattering
891
Circular dichroism
468
Othersb
932
Rheological
Creep
205
Oscillatory shear
203
Rheometry
195
Viscometry
163
Stress relaxation
145
Normal stress
32
Thermal
DSC
551
Thermogravimetry
17
The mochemical
16
Differential thermal analysis
9
Radiochemical
Radioimmunoassay
96
Isotopic
140
Radiochemical
31
Radiometric
18
Radioisotope
8
Radiotracer
5
Radiolabelling
2
Electrochemical
Biosensors
750
Voltammetry
532
Potentiometry
234
Amperometry
245
Polarography
47
Conductometry
43
Coulometry
32
aThe group “others” includes radioimmunoassay and enzymatic analysis.
bThe group “others” includes raman (402), electron spin resonance (366), dielectric spectroscopy (57), refractometry (54), polarimetry (38), chemiluminescence (15), and photoacoustic (0).
