Table 1.
Identification of volatile flavor compounds in shiitake mushrooms with different hot-air-drying conditions by GC-IMS.
| No. | RI | Compound | CAS Number | Formula | Comment |
|---|---|---|---|---|---|
| 1 | 990.8 | 1-Octen-3-ol | 3391-86-4 | C8H16O | |
| 2 | 991.0 | 3-Octanone | 106-68-3 | C8H16O | Monomer |
| 3 | 991.8 | 3-Octanone | 106-68-3 | C8H16O | Dimer |
| 4 | 975.3 | Benzaldehyde | 100-52-7 | C7H6O | Monomer |
| 5 | 975.3 | Benzaldehyde | 100-52-7 | C7H6O | Dimer |
| 6 | 973.2 | Dimethyl trisulfide | 3658-80-8 | C2H6S3 | |
| 7 | 794.6 | Hexanal | 66-25-1 | C6H12O | Monomer |
| 8 | 795.4 | Hexanal | 66-25-1 | C6H12O | Dimer |
| 9 | 742.3 | (E)-2-Pentenal | 1576-87-0 | C5H8O | |
| 10 | 739.5 | 3-Methyl-1-butanol | 123-51-3 | C5H12O | Monomer |
| 11 | 740.2 | 3-Methyl-1-butanol | 123-51-3 | C5H12O | Dimer |
| 12 | 709.7 | Propyl acetate | 109-60-4 | C5H10O2 | Monomer |
| 13 | 707.4 | Propyl acetate | 109-60-4 | C5H10O2 | Dimer |
| 14 | 603.6 | Ethyl acetate | 141-78-6 | C4H8O2 | Monomer |
| 15 | 604.1 | Ethyl acetate | 141-78-6 | C4H8O2 | Dimer |
| 16 | 559.5 | 2-Methylpropanal | 78-84-2 | C4H8O | |
| 17 | 583.5 | Acetic acid | 64-19-7 | C2H4O2 | |
| 18 | 507.6 | 2-Propanol | 67-63-0 | C3H8O | |
| 19 | 502.6 | Acetone | 67-64-1 | C3H6O | |
| 20 | 476.2 | Ethanol | 64-17-5 | C2H6O | Monomer |
| 21 | 480.4 | Ethanol | 64-17-5 | C2H6O | Dimer |
| 22 | 724.2 | Acetoin | 513-86-0 | C4H8O2 | |
| 23 | 624.9 | 2-Methyl-1-propanol | 78-83-1 | C4H10O | Monomer |
| 24 | 625.2 | 2-Methyl-1-propanol | 78-83-1 | C4H10O | Dimer |
| 25 | 1102.4 | 1-Nonanal | 124-19-6 | C9H18O | |
| 26 | 1067.5 | (E)-2-Octenal | 2548-87-0 | C8H14O | |
| 27 | 1065.2 | Phenylacetaldehyde | 122-78-1 | C8H8O | |
| 28 | 903.5 | Heptanal | 111-71-7 | C7H14O | |
| 29 | 862.0 | (E)-2-Hexenal | 6728-26-3 | C6H10O | |
| 30 | 588.7 | Butanal | 123-72-8 | C4H8O | |
| 31 | 662.4 | 2-Methylbutanal | 96-17-3 | C5H10O | |
| 32 | 645.8 | 3-Methylbutanal | 590-86-3 | C5H10O |
RI, retention index; CAS, chemical abstracts service.