Research Article

Prediction of Linalool Content in Osmanthus fragrans Using E-Nose Technology

Table 1

Features of E-nose sensor.

Sensor no.Sensor nameSensitive componentsReference, mL·m−3(ppm)

1W1CAromatic compoundsToluene, 10
2W5CBroad-range sensitivity, reacts with nitrogen oxides, very sensitive with negative signalNO2, 1
3W3CAmmonia, used as a sensor for aromatic compoundsBenzene, 10
4W6SMainly hydrogen, selectively (breath gases)H2, 100
5W5SAlkenes, aromatic compounds, less polar compoundsPropane, 1
6W1SSensitive to methane, broad range similar to no.8CH4, 100
7W1WReacts with sulfur compounds, sensitive to many terpenes and sulfur organic compounds, which are important for smell, limonene, and pyridineH2S, 1
8W2SDetects alcohols, partially aromatic compounds, broad rangeCO, 100
9W2WAromatic compounds, sulfur organic compoundsH2S, 1
10W3SReacts at high concentrations, sometime very selective (methane)CH4, 10