Table 2 The sensor and its corresponding aroma type.

From: Quality comparison of Gastrodia elata grown using artificial mushroom cultivation kits and traditional wood-based cultivation

Array sequence number

Sensor name

Performance description

1

W1C

Sensitive to aromatic compounds

2

W5S

Sensitive to nitrogen oxides

3

W3C

Sensitive to ammonia and aromatic compounds

4

W6S

Sensitive to hydrogen

5

W5C

Sensitive to alkanes, aromatic compounds

6

W1S

Sensitive to methane (methyl group)

7

W1W

Sensitive to inorganic sulfides and terpenes

8

W2S

Sensitive to alcohols and some aromatic compounds

9

W2W

Sensitive to organic sulfides and aromatic components

10

W3S

Sensitive to alkanes