Table 3.
RT (min) | KIexp a | KIrefb | Odor Descriptor | MF (%) | Compound |
---|---|---|---|---|---|
7.268 | 1011 | 970 | Diacetyl, cream, sweet, yogurt, curd, wood, fruity | 83 | Diacetyl (2,3-Butanedione) |
9.188 | 1120 | 1084 | Grass, herb, green, flower, solvent, chemical | 76 | Hexanal |
10.468 | 1177 | 1150 | Fruity, ester, candies, jelly, plastic, varnish | 53 | m-Xylene |
13.849 | 1321 | 1280 | Aldehyde, medicine, chemical, herb, flower, field, lemon, grapefruit, orange | 82 | Octanal |
16.314 | 1424 | 1385 | Aldehyde, bleach or lemon cleaner, unpleasant | 77 | Nonanal |
17.668 | 1481 | 1450 | Acid, unpleasant, solvent, glue, sweat, sunflower seeds | 79 | Acetic acid |
18.732 | 1527 | 1484 | Aldehyde, powdered sugar, acid | 51 | Decanal |
19.029 | 1540 | 1490 | Gas, burnt, green shield bug, fresh wood, fried, oily | 71 | Acetylfuran |
19.316 | 1553 | 1491 | Dry fruit, nut, almond, mold, dense | 58 | Camphor |
21.655 | 1658 | - | Cheese, rancid cheese, butiric or propanoic acid | 77 | Unknown |
22.611 | 1702 | - | Acid, cheese, butiric acid | 76 | Unknown |
23.080 | 1724 | 1720 | Bug, nail polish remover, naphthalene balls | 53 | α-Terpineol |
26.123 | 1872 | 1829 | Acid, trash, waste, foot, wood, hair removal wax, licorice | 74 | Hexanoic acid (caproic acid) |
26.508 | 1891 | 1859 | Phenol, shoeshine, medicine, sweat, bug, vanilla | 65 | 2-Methoxyphenol (Guaiacol) |
28.105 | 1973 | - | Phenol, aromatic, sweet, zinc oxide adhesive plaster, opium, hospital | 74 | Unknown |
30.857 | 2075 | - | Unpleasant, acid, wood, manure | 65 | Terpin hydrate |
32.727 | 2130 | 2198 | Lactone, burnt, car tire, rubber | 35 c | 2-Methoxy-4-vinylphenol (4-Vinylguaiacol) |
35.655 | 2204 | 2358 d | Flower, salt water, hair removal wax | 38 c | Diethyl phthalate (DEP) |
39.374 | 2270 | 2569 | Car tire, vanilla, soluble chocolate powder, burnt | 53 | Vanillin |
Kovats retention index calculated from BP-20, 30 m column;
Kovats retention index reported in the Flavornet Database (Carbowax™ 20 m column);
Compounds with MF < 50% but relevant to the sample;
Kovats retention index calculated from DB-Wax 60 m column.