Review Article

Electronic Nose for Microbiological Quality Control of Food Products

Table 1

Applications of chemical sensors in the food microbiology sector.

Food categorySpecific productInstrumental system and/or sensor technologyNature of the contaminationReference

Grains  MaizeEOS835, Sacmi
(thin film MOX)
Fungi and fumonisins[15, 20]
MOXAflatoxins[19]
  MaizeLibraNose
(quartz Microbalances)
Fungi[17]
PolymersFungi[18]
  BarleyCyranose-320 (carbon-black polymer sensors)Fungi[38]
VCM 422 S-SENCE MOSFET, tin oxide Taguchi sensorsFungi[16]
VCM 422 S-SENCE MOSFET, tin oxide Taguchi sensorsFungi, Ochratoxin A[39]
Oats rye and barleyMOSFET and TaguchiFungi and bacteria[40]

Bakery productsBakery analogousMS e-noseFungi[22]
Bread analogousBloodhound BH-114Bacteria, yeasts, and fungi[23]

MeatBeef strip loinsCyranose-320 (Carbon-black polymer sensors)Bacteria[24]
Beef strip loinsTaguchi sensorsBacteria (Salmonella typhimurium)[25]
Beef and sheep meatTaguchi sensorsBacteria[26]
PorkMOXBacteria[27]

FishSardinesDoped tin oxideBacteria[31]
Alaska pink salmon (Oncorhynchus gorbuscha)Cyranose 320 (carbon-black polymer sensors)Bacteria[30]
Fresh Atlantic salmon (Salmo salar)AromaScan (conductive polymers)Bacteria[29]
Cold-smoked Atlantic salmon (Salmo salar)FishNose (GEMINI-6 MOS sensor)Bacteria[28]

Milk and dairy productMilkMOX, MOSFETBacteria[41]
Ewe milkMOX, MOSFETAflatoxin B1[32]
MilkPolymer sensorsBacteria, yeasts[42]
MilkMOXBacteria[14]

Processed vegetables/fruitOnionSmith Detection Inc., Pasadena, CA (Polymer sensors)Bacteria, fungi[33]
TomatoesEOS835, Sacmi (thin-film MOX)Fungi, bacteria, yeasts [34]
Fruit juicesEOS835, Sacmi (thin-film MOX)Bacteria (Alicyclobacillus)[13, 35]

DrinksSoft drinksEOS835, Sacmi (thin-film MOX)Bacteria (Alicyclobacillus)[36]
Red wineFOX 3000 Alpha MOs (MOX sensors)Yeast (Brettanomyces)[37]