| # | Volatile Compound Name (Tier 4) | IUPAC Name | Compound Category | CAS | Odour Type | Odour Descriptor | Tier1 | Tier2 | Tier3 | Tier1 | Tier2 | Tier3 | Author |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | (-)-Cubenol | (1S,4R,4aR,8aR)-4,7-dimethyl-1-propan-2-yl-2,3,4,5,6,8a-hexahydro-1H-naphthalen-4a-ol | Alcohols | 21284-22-0 | Spicy | Spicy, herbal, tea, green tea | Spices | Clove | Vegetal | Green tea | [116] | ||
| 2 | (±)-Menthone | 5-methyl-2-propan-2-ylcyclohexan-1-one | Ketones | 89-80-5 | Minty | Minty | Vegetal | Mint | [116] | ||||
| 3 | (E)-2-Nonenal | (E)-non-2-enal | Aldehydes | 18829-56-6 | Fatty | Fatty, green, cucumber, aldehydic, citrus | Oily | Peanut | Fruity | Citric | Lemon | [10] | |
| 4 | (E)-3-Hexen-1-ol | (E)-3-hexen-1-ol | Alcohols | 928-97-2 | Green | Green, cortex, privet, leafy, floral, petal, oily, earthy | Vegetal | Herbal | Floral | Roses | [48] | ||
| 5 | (E)-a-Bergamotene | (1S,5S,6R)-2,6-dimethyl-6-(4-methylpent-3-en-1-yl)bicyclo[3.1.1]hept-2-ene | Terpene | 13474-59-4 | Woody | Woody, warm, tea | Woody | Resin | [116] | ||||
| 6 | (E)-b-Farnesene | (6E)-7,11-dimethyl-3-methylidenedodeca-1,6,10-triene | Terpene | 18794-84-8 | Woody | Woody, citrus, herbal, sweet | Woody | Resin | Fruity | Citric | Orange | [78] | |
| 7 | (E)-Ethyl dec-4-enoate | (E)-Ethyl dec-4-enoate | Esters | 76649-16-6 | Green | Green, fruity, waxy, cognac | Vegetal | Herbal | [94] | ||||
| 8 | (E)-Geranyl acetone | (5E)-6,10-dimethylundeca-5,9-dien-2-one | Ketones | 3796-70-1 | Floral | Fresh, green, fruity, waxy, roses, woody, magnolia, tropical, pear, guava. | Floral | Roses | Sweet | Honey | [116] | ||
| 9 | (E,E)-Farnesol | (2E,6E)-3,7,11-trimethyldodeca-2,6,10-trien-1-ol | Alcohols | 106-28-5 | Floral | Floral, sweet, lily, waxy | Floral | Roses | Fruity | Citric | Orange | [48,116] | |
| 10 | (Z)-Nerolidol | (6Z)-3,7,11-trimethyldodeca-1,6,10-trien-3-ol | Alcohols | 3790-78-1 | Waxy | Waxy, floral | Oily | Butter | [116] | ||||
| 11 | 10-Undecen-1-ol | 10-undecen-1-ol | Alcohols | 112-43-6 | Citrus | Fresh, floral, waxy, ozone, clean, citrus | Fruity | Citric | Lemon | [94,115] | |||
| 12 | 1-Dodecanol | 1-Dodecanol | Alcohols | 112-53-8 | Waxy | Earthy, soapy, waxy, fatty, honey, coconut | Oily | Butter | [48] | ||||
| 13 | 2,3-Butane diol | 2,3-butanediol | Diol | 513-85-9 | Creamy | Fruity, creamy, buttery | Oily | Butter | Sweet | Honey | [134] | ||
| 14 | 2,4-Nonadienal | Nona-2,4-dienal | Aldehydes | 6750-03-4 | Green | Fatty, green, cucumber, fruit, tropical fruit | Vegetal | Herbal | Fruity | Tropical | Pear | [10] | |
| 15 | 2,5-Diethyl tetrahydrofuran | 2,5-diethyloxolane | Ether | 41239-48-9 | Herbal | Sweet, herbal, caramellike | Vegetal | Herbal | Sweet | Caramel | [116] | ||
| 16 | 2-Butanol | Butan-2-ol | Alcohols | 78-92-2 | Fruity | Sweet, apricot | Fruity | Tropical | Apple | Sweet | Honey | [134] | |
| 17 | 2-Ethyl-1-hexanol | 2-ethylhexan-1-ol | Alcohols | 104-76-7 | Citrus | Citrus, fresh, floral, oily, sweet | Fruity | Citric | Lemon | Sweet | Honey | [48] | |
| 18 | 2-Heptanol | Heptan-2-ol | Alcohols | 543-49-7 | Citrus | Fresh, lemongrass, herbal, sweet, floral, fruity, green | Fruity | Citric | Lemon | Vegetal | Herbal | [94,115,116,134] | |
| 19 | 2-Methoxy-4-vinyl phenol | 4-ethenyl-2-methoxyphenol | Phenol | 7786-61-0 | Spicy | Spicy, clove, carnation, phenolic, peppery, smoky, woody, powdery | Spices | Clove | [10,134] | ||||
| 20 | 2-Methyl butyl acetate | 2-Methylbutyl acetate | Esters | 624-41-9 | Fruity | Fruit, overripe, sweet, banana, ripe, tropical fruit | Sweet | Honey | Fruity | Citric | Lemon | [94,115] | |
| 21 | 2-Methyl-1-butanol | 2-methylbutan-1-ol | Alcohols | 137-32-6 | Ethereal | Ethereal, fusel, alcoholic, fatty, greasy, winey, whiskey, leathery, cocoa, Fish oil, green, malt, onion, wine | Palate | Sensations | Alcoholic | Woody | Leather | [38,94,115,116] | |
| 22 | 2-Nonanol | Nonan-2-ol | Alcohols | 628-99-9 | Waxy | Waxy, green, creamy, citrus, orange, cheesy, fruity | Oily | Butter | [94,115] | ||||
| 23 | 2-Nonanone | Nonan-2-one | Ketones | 821-55-6 | Fruity | Fresh, sweet, green, weedy, earthy, herbal, fruity, waxy, soapy, cheesy, coconut | Sweet | Honey | Fruity | Citric | Lemon | [48] | |
| 24 | 2-Octanol | Octan-2-ol | Alcohols | 123-96-6 | Spicy | Fresh, spicy, green, woody, herbal, earthy | Spices | Clove | Vegetal | Herbal | [94,115] | ||
| 25 | 2-Undecanol | Undecan-2-ol | Alcohols | 1653-30-1 | Waxy | Fresh, waxy, cloth, laundered cloth, sarsaparilla | Oily | Butter | [94,115] | ||||
| 26 | 2-Undecanone | Undecan-2-one | Ketones | 112-12-9 | Fruity | Waxy, fruity, creamy, fatty, orris, floral, ketonic, pineapple | Sweet | Honey | Floral | Roses | [94,115] | ||
| 27 | 3-Methyl-1-pentanol | 3-methylpentan-1-ol | Alcohols | 589-35-5 | Fermented | Fusel, cognac, winey, cocoa, green, fruity, pungent | Palate | Sensations | Alcoholic | Vegetal | Herbal | [48,134] | |
| 28 | 4-Ethyl guaiacol | 4-Ethyl-2-methoxyphenol | Phenol | 2785-89-9 | Spicy | Spicy, smoky, bacon, phenolic, clove, medicinal, woody, sweet, vanilla | Spices | Clove | Woody | Vanilla | [10,94,115] | ||
| 29 | 4-Ethyl phenol | p-Ethylphenol | Phenol | 123-07-9 | Smoky | Phenolic, castoreum, smoky, guaiacol | Woody | Smoked | Chemical | Off flavours | Smoky | [48] | |
| 30 | 4-Methyl guaiacol | 2-methoxy-4-methylphenol | Phenolic Compounds | 93-51-6 | Spicy | Vanilla, clove, spicy, phenolic, medicinal, leathery, woody, smoky, burnt, candy, | Spices | Clove | Woody | Leather | [2] | ||
| 31 | 5-Hydroxymethyl furfural | 5-(hydroxymethyl)furan-2-carbaldehyde | Aldehydes | 67-47-0 | Fatty | Fatty, buttery, musty, waxy, caramellike | Oily | Butter | Sweet | Caramel | [42] | ||
| 32 | 5-Methyl hexanoic acid | 5-methylhexanoic acid | Acid | 628-46-6 | Fatty | Fatty, cheesy, oily, fruity | Oily | Peanut | Sweet | Honey | [116] | ||
| 33 | Acetal | 1,1-Diethoxyethane | Ether | 105-57-7 | Ethereal | Green, nutty, earthy, sweet, vegetable, Ethereal | Spices | Anise | Sweet | Honey | [94,115,116] | ||
| 34 | Acetaldehyde | Acetaldehyde | Aldehydes | 75-07-0 | Ethereal | Pungent, ethereal, aldehydic, fruity, musty, green apple | Palate | Sensations | Alcoholic | Sweet | Honey | [14,42,48,134] | |
| 35 | Acetic acid | Acetic acid | Acid | 64-19-7 | Acidic | Sharp, pungent, sour, vinegar | Chemical | Aggressive | Acetic | [14,38,42,48,78,134] | |||
| 36 | Acetone | Propan-2-one | Ketones | 67-64-1 | Solvent | Solvent, ethereal, apple, pear | Chemical | Aggressive | Solvent | Fruity | Tropical | Pear | [134] |
| 37 | Acetophenone | 1-phenylethanone | Ketones | 98-86-2 | Floral | Sweet, pungent, hawthorn, mimosa, almond, acacia, chemical, cherry, marzipan, coumarin, almond, nutty, heliotrope, vanilla | Floral | Roses | Sweet | Molasses | [42] | ||
| 38 | Acrolein | Acrolein | Aldehydes | 107-02-8 | Fruity | Almond, cherry | Fruity | Tropical | Apple | Sweet | Honey | [134] | |
| 39 | a-Farnesene | (3E,6E)-3,7,11-trimethyldodeca-1,3,6,10-tetraene | Terpene | 502-61-4 | Woody | Citrus, herbal, lavender, bergamot, myrrh, neroli, green, woody, vegetable, floral | Woody | Resin | Fruity | Citric | Lemon | [116] | |
| 40 | Amyl alcohol | Pentan-1-ol | Alcohols | 71-41-0 | Fermented | Fusel, oily, sweet, balsamic, pungent, fermented, bready, yeasty, fusel, winey, solvent | Palate | Sensations | Alcoholic | Chemical | Aggressive | Solvent | [14,38] |
| 41 | Anisole | Anisole | Ether | 100-66-3 | Phenolic | Phenolic, gasoline, ethereal, anise | Chemical | Aggressive | Medicinal | [94,115] | |||
| 42 | a-Terpeniol | 2-(4-methyl-1-cyclohex-3-enyl)propan-2-ol | Alcohols | 98-55-5 | Terpene | Pine, terpene, lilac, citrus, woody, floral, resinous, cooling, lemon, lime | Woody | Resin | Floral | Roses | [48] | ||
| 43 | b-Damascenone | (E)-1-(2,6,6-trimethyl-1-cyclohexa-1,3-dienyl)but-2-en-1-one | Ketones | 23696-85-7 | Floral | Natural, sweet, fruity, roses, plum, grape, raspberry, sugar, woody, earthy, green, floral, apple | Floral | Roses | Sweet | Honey | [94,115] | ||
| 44 | b-Damascone | (E)-1-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-2-buten-1-one | Ketones | 35044-68-9 | Fruity | Floral, black currant, plum, roses, honey, tobacco | Sweet | Honey | Floral | Roses | [116] | ||
| 45 | Benzaldehyde | Benzaldehyde | Aldehydes | 100-52-7 | Fruity | Sharp, sweet, bitter, almond, cherry, fruity, powdery, nutty, maraschino cherry | Fruity | Tropical | Apple | Sweet | Honey | [42,48,134] | |
| 46 | Benzoic acid | Benzoic acid | Acid | 65-85-0 | Balsamic | Balsamic, urine | Vegetal | Balsamic | [38] | ||||
| 47 | Bisabolene | 1-methyl-4-(6-methylhept-5-en-2-ylidene)cyclohexene | Terpene | 495-62-5 | Fruity | Balsamic, citrus, myrrh, spicy, woody, fruity, tropical, terpene, green, banana | Sweet | Honey | Fruity | Citric | Orange | [116] | |
| 48 | Butyl alcohol | Butan-1-ol | Alcohols | 71-36-3 | Fermented | Fusel, oily, sweet, balsamic, whiskey, Malty, solvent-like | Palate | Sensations | Alcoholic | Oily | Butter | [42,48,134] | |
| 49 | Butyl butyrate | Butyl butanoate | Esters | 109-21-7 | Fruity | Fruity, banana, pineapple, green, cherry, tropical fruit, ripe, sweet | Fruity | Tropical | Apple | Sweet | Honey | [134] | |
| 50 | Butyric acid | Butanoic acid | Acid | 107-92-6 | Cheesy | Sharp, acetic, cheesy, buttery, fruity, dairy | Oily | Butter | Sweet | Honey | [38,48] | ||
| 51 | Caryophyllene | (4Z)-4,11,11-trimethyl-8-methylenebicyclo(7.2.0)undec-4-ene | Sesquiterpene | 13877-93-5 | Spicy | Sweet, woody, spicy, clove, dry, terpene | Spices | Clove | Sweet | Honey | [116] | ||
| 52 | Cis-oak lactone | (4R,5R)-5-butyl-4-methyloxolan-2-one | Lactones | 55013-32-6 | Spicy | Coconut, flowery, woody, sweet, spicy, coconut, vanilla | Woody | Vanilla | Woody | Resin | [2] | ||
| 53 | D-Dihydrogeraniol | (3R)-3,7-Dimethyloct-6-en-1-ol | Alcohols | 1117-61-9 | Floral | Citronella, roses, leafy, oily, petal | Floral | Roses | Fruity | Citric | Orange | [48,78,94,115] | |
| 54 | Decanal | Decanal | Aldehydes | 112-31-2 | Aldehydic | Sweet, aldehydic, waxy, orange, peel citrus, floral | Fruity | Citric | Orange | Fruity | Red fruits | Strawberry | [116] |
| 55 | Decanoic acid | Decanoic acid | Acid | 334-48-5 | Fatty | Rancid, sour, fatty, citrus | Oily | Peanut | Fruity | Citric | Orange | [38,48,78,134] | |
| 56 | Decanol | Decan-1-ol | Alcohols | 112-30-1 | Fatty | Fatty, waxy, floral, orange, sweet, clean, watery | Oily | Peanut | Fruity | Citric | Orange | [94,115] | |
| 57 | Decyl acetate | Decyl acetate | Esters | 112-17-4 | Waxy | Waxy, clean, fresh, cloth, laundered cloth, citrus, soapy, sweet, fatty, creamy | Oily | Butter | [94,115] | ||||
| 58 | Dextro,laevo-menthol | 5-methyl-2-propan-2-ylcyclohexan-1-ol | Terpene alcohol | 89-78-1 | Menthol | Peppermint, cooling, woody | Vegetal | Mint | Oily | Peanut | [48,116] | ||
| 59 | Diacetyl | Butane-2,3-dione | Ketones | 431-03-8 | Buttery | Buttery, sweet, creamy, pungent, caramellike | Oily | Butter | [10,42] | ||||
| 60 | Diethyl malate | Diethyl malate | Esters | 7554-12-3 | Caramellike | Caramellike, sugar, brown sugar, sweet, winey, fruity, herbal | Sweet | Caramel | Fruity | Tropical | Pear | [38] | |
| 61 | Diethyl succinate | Diethyl butanedioate | Esters | 123-25-1 | Fruity | Fruity, apple, cooked apple, ylang | Fruity | Tropical | Apple | Sweet | Honey | [38,48,94,115,116,134] | |
| 62 | Dihydroeugenol | 2-Methoxy-4-propylphenol | Alcohols | 2785-87-7 | Spicy | Clove, sharp, spicy, sweet, phenolic, powdery, allspice | Spices | Clove | Sweet | Honey | [94,115] | ||
| 63 | Dimethyl sulfide | Methylsulfanylmethane | Thioether | 75-18-3 | Sulphurous | Sulphurous, onion, sweet corn, vegetable, cabbage, tomato, green, radish, creamy, tomato, fishy, seafood, berry, fruity | Chemical | Off flavours | Sulphurous | Vegetal | Herbal | [42] | |
| 64 | Ethanol | Ethanol | Alcohols | 64-17-5 | Alcoholic | Alcoholic, ethereal, medicinal | Chemical | Aggressive | Ethanol | [14,48,78] | |||
| 65 | Ethyl (E)-2-decenoate | Ethyl (E)-dec-2-enoate | Esters | 7367-88-6 | Green | Green, aldehydic, fatty, watercress, herbal, waxy, melon, unripe melon, metallic, green apple, pear, fruit | Vegetal | Herbal | Fruity | Tropical | Apple | [94,115] | |
| 66 | Ethyl (R)-2-hydroxy-4-methyl pentanoate | Ethyl (R)-2-hydroxy-4-methyl pentanoate | Esters | 60856-83-9 | Fruity | Fresh, blackberry | Fruity | Tropical | Apple | Sweet | Honey | [78] | |
| 67 | Ethyl (Z)-linoleate | Ethyl (Z)-linoleate | Esters | 544-35-4 | Fatty | Fatty, fruity, oily | Oily | Peanut | Sweet | Honey | [78] | ||
| 68 | Ethyl 2-methyl butyrate | Ethyl 2-methylbutanoate | Esters | 7452-79-1 | Fruity | Sharp, sweet, green apple, fruity, berry, fresh, tropical | Fruity | Tropical | Apple | Sweet | Honey | [94,115] | |
| 69 | Ethyl 9-decenoate | Ethyl 9-decenoate | Esters | 67233-91-4 | Fruity | Fruity, fatty | Sweet | Honey | [94,115,116] | ||||
| 70 | Ethyl acetate | Ethyl acetate | Esters | 141-78-6 | Ethereal | Ethereal, fruity, sweet, weedy, green, grape, rummy, pineapple, solvent | Chemical | Off flavours | Ethyl acetate | Sweet | Molasses | [14,38,42,48,78,80,94,115,116,134] | |
| 71 | Ethyl acrylate | Ethyl prop-2-enoate | Esters | 140-88-5 | Plastic | Plastic, acrylate, fruity | Chemical | Off flavours | Plastic | [10] | |||
| 72 | Ethyl butyrate | Ethyl butanoate | Esters | 105-54-4 | Fruity | Fruity, pineapple, cognac, sweet, “tutti frutti”, Ethereal, apple, buttery | Sweet | Honey | Fruity | Citric | Lemon | [10,38,42,80,94,115,116] | |
| 73 | Ethyl decanoate | Ethyl decanoate | Esters | 110-38-3 | Waxy | Sweet, waxy, fruity, apple, grape, oily, brandy, fatty, nut | Oily | Butter | [42,78,80,94,115,116,134] | ||||
| 74 | Ethyl formate | Ethyl formate | Esters | 109-94-4 | Ethereal | Ethereal, fruity, rum-like, green, alcoholic, roses, cognac, fermented, winey, cognac | Palate | Sensations | Alcoholic | Sweet | Molasses | [2] | |
| 75 | Ethyl heptanoate | Ethyl heptanoate | Esters | 106-30-9 | Fruity | Fruity, pineapple, cognac, rummy, winey, sweet, banana, berry, green, seedy | Sweet | Honey | Fruity | Citric | Lemon | [94,115] | |
| 76 | Ethyl hexanoate | Ethyl hexanoate | Esters | 123-66-0 | Fruity | Sweet, fruity, pineapple, waxy, green, banana | Sweet | Honey | Fruity | Citric | Lemon | [42,48,78,80,94,115,134] | |
| 77 | Ethyl isobutyrate | Ethyl 2-methylpropanoate | Esters | 97-62-1 | Fruity | Sweet, ethereal, fruity, alcoholic, fusel, rummy, pungent | Palate | Sensations | Alcoholic | Sweet | Honey | [94,115] | |
| 78 | Ethyl isovalerate | Ethyl 3-methylbutanoate | Esters | 108-64-5 | Fruity | Fruity, sweet, apple, pineapple, “tutti frutti”, sharp, apple, green, orange | Sweet | Honey | Fruity | Citric | Lemon | [94,115] | |
| 79 | Ethyl lactate | Ethyl 2-hydroxypropanoate | Esters | 97-64-3 | Fruity | Sharp, tart, fruity, buttery, butterscotch, sweet, acidic, ethereal, strawberry, perfumed | Sweet | Honey | Oily | Butter | [42,78,80,134] | ||
| 80 | Ethyl laurate | Ethyl dodecanoate | Esters | 106-33-2 | Waxy | Sweet, waxy, floral, soapy, clean, rummy, creamy, oily, fatty | Oily | Butter | [42,48,78,80,116,134] | ||||
| 81 | Ethyl myristate | Ethyl tetradecanoate | Esters | 124-06-1 | Waxy | Sweet, waxy, violet, orris | Oily | Butter | [48,115,116] [94,134] | ||||
| 82 | Ethyl nonanoate | Ethyl nonanoate | Esters | 123-29-5 | Waxy | Fruity, roses, waxy, rummy, winey, tropical, cognac, apple, banana | Oily | Butter | [42,80,94,115,116] | ||||
| 83 | Ethyl octanoate | Ethyl octanoate | Esters | 106-32-1 | Waxy | Fruity, winey, waxy, sweet, apricot, banana, brandy, pear, musty, pineapple, creamy, dairy, cognac | Oily | Butter | [38,42,48,78,80,94,115,116,134] | ||||
| 84 | Ethyl palmitate | Ethyl hexadecanoate | Esters | 628-97-7 | Waxy | Waxy, fruity, creamy, milky, balsamic, greasy, oily | Oily | Butter | [116,134] | ||||
| 85 | Ethyl pentadecanoate | Ethyl pentadecanoate | Esters | 41114-00-5 | Sweet | Honey, sweet | Sweet | Honey | [78] | ||||
| 86 | Ethyl phenyl acetate | Ethyl 2-phenylacetate | Esters | 101-97-3 | Floral | Sweet, floral, honey, roses, balsamic, cocoa, chocolate, dark chocolate, anisic, liquorice, black liquorice. | Floral | Roses | Sweet | Honey | [10] | ||
| 87 | Ethyl propionate | Ethyl propanoate | Esters | 105-37-3 | Fruity | Sweet, fruity, rummy, grape, pineapple, ethereal, winey, fermented, egg-nog, rum-like | Sweet | Honey | Fruity | Citric | Lemon | [94,115] | |
| 88 | Ethyl undecanoate | Ethyl undecanoate | Esters | 627-90-7 | Soapy | Soapy, waxy, fatty, cognac, coconut, buttery | Chemical | Off flavours | Soap | Oily | Butter | [94,115] | |
| 89 | Ethyl valerate | Ethyl pentanoate | Esters | 539-82-2 | Fruity | Fruity, apple, sweet, pineapple, green, tropical, acidic, berry | Fruity | Tropical | Pineapple | Fruity | Tropical | Banana | [2] |
| 90 | Eugenol | 2-methoxy-4-prop-2-enylphenol | Phenolic ether | 97-53-0 | Spicy | Sweet, spicy, clove, woody, phenolic, savoury, ham, bacon, cinnamon, allspice | Spices | Clove | [94,115] | ||||
| 91 | Farnesyl acetate | 3,7,11-trimethyldodeca-2,6,10-trienyl acetate | Esters | 29548-30-9 | Floral | green, floral, orchid, metallic, cortex, waxy, roses, citrus | Floral | Roses | Fruity | Citric | Orange | [116] | |
| 92 | Fenchol | 1,3,3-trimethylbicyclo[2.2.1]heptan-2-ol | Alcohols | 1632-73-1 | Camphoraceous | Camphoraceous, pine, woody, dry, sweet, lemon | Woody | Resin | Fruity | Citric | Lemon | [116] | |
| 93 | Furfural | Furan-2-carbaldehyde | Aldehydes | 98-01-1 | Bready | Sweet, woody, almond, bread, baked, caramellike, phenolic | Woody | Resin | Sweet | Caramel | [38,42,134] | ||
| 94 | Furfuryl acetate | Furan-2-ylmethyl acetate | Esters | 623-17-6 | Fruity | Sweet, fruity, banana, horseradish | Sweet | Honey | [48] | ||||
| 95 | Furfuryl alcohol | Furan-2-ylmethanol | Alcohols | 98-00-0 | Bready | Alcoholic, chemical, musty, sweet, caramellike, bready, coffee, sulphurous | Woody | Coffee | Sweet | Caramel | [38,48] | ||
| 96 | Geraniol | (2E)-3,7-dimethylocta-2,6-dien-1-ol | Alcohols | 106-24-1 | Floral | Sweet, floral, fruity, roses, waxy, citrus, citronella | Floral | Roses | Fruity | Citric | Lemon | [48] | |
| 97 | Heptanal | Heptanal | Aldehydes | 111-71-7 | Green | Fresh, aldehydic, fatty, green, herbal, cognac, ozone | Vegetal | Herbal | Palate | Sensations | Alcoholic | [10,94,115] | |
| 98 | Heptanoic acid | Heptanoic acid | Acid | 111-14-8 | Cheesy | Rancid, sour, cheesy, sweaty, waxy, fermented, pineapple, fruity | Chemical | Aggressive | Head fraction | Fruity | Tropical | Pineapple | [38,48] |
| 99 | Heptyl alcohol | 1-Heptanol | Alcohols | 111-70-6 | Green | Musty, leafy, violet, herbal, green, sweet, woody, peony | Vegetal | Herbal | Oily | Peanut | [48] | ||
| 100 | Hexadecanol | Hexadecan-1-ol | Alcohols | 36653-82-4 | Waxy | Waxy, clean, greasy, floral, oily | Oily | Butter | [134] | ||||
| 101 | Hexanal diethyl acetal | 1,1-Diethoxyhexane | Acetal | 3658-93-3 | Fermented | Cognac, pear, floral, hyacinth, apple, fruity | Palate | Sensations | Alcoholic | Sweet | Honey | [94,115] | |
| 102 | Hexanoic acid | Hexanoic acid | Acid | 42-62-1 | Fatty | Sour, fatty, sweaty, cheesy | Oily | Peanut | Chemical | Aggressive | Head fraction | [38,48,134] | |
| 103 | Hexanol | Hexan-1-ol | Alcohols | 111-27-3 | Herbal | Ethereal, fusel, oily, fruity, alcoholic, sweet, green, pungent | Vegetal | Herbal | Palate | Sensations | Alcoholic | [48,94,115] | |
| 104 | Isoamyl acetate | 3-methylbutyl acetate | Esters | 123-92-2 | Fruity | Sweet, fruity, banana, solvent, ripe | Sweet | Honey | [10,38] | ||||
| 105 | Isoamyl alcohol | 3-methylbutan-1-ol | Esters | 123-51-3 | Fermented | Fusel, alcoholic, whiskey, fruity, banana, pungent, ethereal, cognac, molasses | Palate | Sensations | Alcoholic | Sweet | Honey | [14,42,48,78,134] | |
| 106 | Isoamyl decanoate | 3-methylbutyl decanoate | Esters | 2306-91-4 | Waxy | Waxy, banana, fruity, sweet, cognac, green | Oily | Butter | [78] | ||||
| 107 | Isoamyl octanoate | 3-methylbutyl octanoate | Esters | 2035-99-6 | Fruity | Sweet, oily, fruity, green, soapy, pineapple, coconut | Sweet | Honey | Fruity | Citric | Lemon | [42,80,94,115,134] | |
| 108 | Isobutyl acetate | 2-Methylpropyl acetate | Esters | 110-19-0 | Fruity | Sweet, fruity, ethereal, banana, tropical, apple | Sweet | Honey | Fruity | Citric | Lemon | [38,94,115] | |
| 109 | Isobutyl alcohol | 2-methylpropan-1-ol | Alcohols | 78-83-1 | Ethereal | Ethereal, winey, malty | Palate | Sensations | Alcoholic | [14,42,48,116,134] | |||
| 110 | Isobutyl octanoate | 2-Methylpropyl octanoate | Esters | 5461-06-3 | Fruity | Fruity, green, oily, floral | Sweet | Honey | Floral | Roses | [94,115] | ||
| 111 | Isobutyraldehyde | 2-methylpropanal | Aldehydes | 78-84-2 | Aldehydic | Fresh, aldehydic, floral, pungent, green | Floral | Roses | Woody | Resin | [42] | ||
| 112 | Isobutyric acid | 2-methylpropanoic acid | Acid | 79-31-2 | Acidic | Acidic, sour, cheesy, dairy, buttery, rancid | Oily | Butter | Chemical | Aggressive | Solvent | [38] | |
| 113 | Isovaleraldehyde | 3-methylbutanal | Aldehydes | 590-86-3 | Aldehydic | Ethereal, aldehydic, chocolate, peach, fatty, green, sweet | Woody | Chocolate | Fruity | Tropical | Peach | [42] | |
| 114 | Linalool | 3,7-dimethylocta-1,6-dien-3-ol | Alcohols | 78-70-6 | Floral | Citrus, floral, sweet, bois de roses, woody, green, blueberry, orange, terpenic, waxy. | Floral | Roses | Fruity | Citric | Lemon | [38,48] | |
| 115 | Methyl 2-hydroxy-4-methyl valerate | Methyl 2-hydroxy-4-methylpentanoate | Esters | 40348-72-9 | Fruity | Sweet, fruity, musty | Sweet | Honey | [134] | ||||
| 116 | Methyl salicylate | Methyl 2-hydroxybenzoate | Esters | 119-36-8 | Minty | Wintergreen, minty, sweet, root beer, phenolic, camphoraceous | Vegetal | Mint | Vegetal | Balsamic | [2] | ||
| 117 | Methyl stearate | Methyl octadecanoate | Esters | 112-61-8 | Waxy | Oily, waxy | Oily | Butter | [134] | ||||
| 118 | Nerolidol | 3,7,11-trimethyldodeca-1,6,10-trien-3-ol | Terpene | 7212-44-4 | Floral | Floral, green, waxy, citrus, woody | Floral | Roses | Fruity | Citric | Lemon | [78,116] | |
| 119 | Nerolidol acetate | [(6E)-3,7,11-trimethyldodeca-1,6,10-trien-3-yl] acetate | Esters | 2306-78-7 | Floral | Fresh, sweet, citrus, waxy, freesia, woody | Floral | Roses | Fruity | Citric | Lemon | [116] | |
| 120 | Nonanal | Nonanal | Aldehydes | 124-19-6 | Aldehydic | Waxy, aldehydic, roses, fresh, orris, orange peel, fatty, citrus, green, lemon peel, cucumber | Floral | Roses | Fruity | Citric | Orange | [94,115] | |
| 121 | Nonanal diethyl acetal | 1,1-Diethoxynonane | Acetal | 54815-13-3 | Aldehydic | Aldehydic, floral, rose | Floral | Roses | [94,115] | ||||
| 122 | Nonanoic acid | Nonanoic acid | Acid | 112-05-0 | Waxy | Waxy, cheesy, dairy | Oily | Butter | [38,48] | ||||
| 123 | Nonanol | Nonan-1-ol | Alcohols | 143-08-8 | Floral | Fresh, clean, fatty, floral, roses, orange, dusty, wet, oily | Floral | Roses | Oily | Peanut | [94,115] | ||
| 124 | Octanal | Octanal | Aldehydes | 124-13-0 | Aldehydic | aldehydic, waxy, citrus, orange peel, green, herbal, fresh, fatty | Fruity | Citric | Orange | Vegetal | Herbal | [38,116] | |
| 125 | Octanoic acid | Octanoic acid | Acid | 124-07-2 | Fatty | Fatty, waxy, rancid, oily, vegetable, cheesy | Oily | Peanut | Vegetal | Herbal | [38,48,78,134] | ||
| 126 | Octanol | Octan-1-ol | Alcohols | 111-87-5 | Waxy | Waxy, green, orange, aldehydic, roses, mushroom, citrus, floral, sweet, fatty, coconut. | Oily | Butter | [48,78,116,134] | ||||
| 127 | Ortho-guaiacol | 2-methoxyphenol | Phenolic ether | 90-05-1 | Phenolic | Phenolic, smoky, spicy, vanilla, woody | Chemical | Aggressive | Medicinal | Sweet | Honey | [10,38,48] | |
| 128 | Palmitic acid | Hexadecanoic acid | Acid | 57-10-3 | Waxy | Waxy, fatty, creamy | Oily | Butter | [48] | ||||
| 129 | Phenethyl alcohol | 2-Phenylethanol | Alcohols | 60-12-8 | Floral | Floral, roses, dried roses, sweet, fresh, bready, honey | Floral | Roses | Sweet | Honey | [38,48,78,94,115,116,134] | ||
| 130 | Phenyl acetate | Phenyl acetate | Esters | 122-79-2 | Phenolic | Phenolic, medicinal, animal, resinous, castoreum, woody, smoky, burnt | Chemical | Aggressive | Medicinal | [48] | |||
| 131 | Phenylethyl acetate | 2-phenylethyl acetate | Esters | 103-45-7 | Floral | Floral, roses, sweet, honey, fruity, tropical, yeasty, cocoa, balsamic, raspberry. | Floral | Roses | Sweet | Honey | [38,48] | ||
| 132 | Propionaldehyde | Propanal | Aldehydes | 123-38-6 | Ethereal | Earthy, alcoholic, winey, whiskey, cocoa, nutty, ethereal, pungent, cognac, brandy, meaty, grape | Palate | Sensations | Alcoholic | Spices | Anise | [42,134] | |
| 133 | Propionic acid | Propanoic acid | Acid | 79-09-4 | Acidic | Pungent, acidic, cheesy, vinegar, dairy. | Chemical | Aggressive | Acetic | Oily | Butter | [38] | |
| 134 | Propyl acetate | Propyl acetate | Esters | 109-60-4 | Fruity | Solvent, celery, fruity, fusel, raspberry, pear, pungent, sweet | Fruity | Red fruits | Raspberry | Sweet | Honey | [38] | |
| 135 | Propyl alcohol | Propan-1-ol | Alcohols | 71-23-8 | Alcoholic | Alcoholic, fermented, fusel, musty, tequila, yeasty, sweet, fruity, apple, pear | Palate | Sensations | Alcoholic | Fruity | Tropical | Pear | [14,38,42,48,134] |
| 136 | Propyl decanoate | Propyl decanoate | Esters | 30673-60-0 | Waxy | Waxy, fruity, fatty, green, vegetable, woody, oily, fruity | Oily | Butter | [94,115] | ||||
| 137 | Propyl octanoate | Propyl octanoate | Esters | 624-13-5 | Coconut | Coconut, cocoa, cognac, winey, fatty | Oily | Coconut | [94,115] | ||||
| 138 | Valeraldehyde | Pentanal | Aldehydes | 110-62-3 | Fermented | Fermented, bready, fruity, nutty, berry | Palate | Sensations | Alcoholic | Sweet | Molasses | [42] | |
| 139 | Valeric acid | Pentanoic acid | Acids | 109-52-4 | Cheesy | Strong, pungent, cheesy, acidic, sweaty, rancid, sharp, sour milky, tobacco, fruity | Chemical | Aggressive | Medicinal | Woody | Tobacco | [2] | |
| 140 | Vanillin | 4-hydroxy-3-methoxybenzaldehyde | Phenolic aldehyde | 121-33-5 | Vanilla | Sweet, vanilla, creamy, chocolate, phenolic | Sweet | Vanilla | Sweet | Chocolate | [10] | ||
| 141 | Vinyl amyl ketone | 1-octen-3-one | Ketones | 4312-99-6 | Earthy | Herbal, mushroom, earthy, musty, dirty, metallic, vegetable, cabbage, broccoli, savoury, fishy, chicken | Vegetal | Herbal | Woody | Resin | [10] | ||
| 142 | α-Bisabolol | (2R)-6-methyl-2-[(1R)-4-methyl-1-cyclohex-3-enyl]hept-5-en-2-ol | Terpene alcohol | 515-69-5 | Floral | Floral, peppery, balsamic, clean | Floral | Roses | Spices | Pepper | [116] | ||
| 143 | γ-Nonalactone | 5-pentyloxolan-2-one | Lactones | 104-61-0 | Coconut | Coconut, creamy, waxy, buttery, sweet, oily, fatty | Oily | Coconut | Oily | Butter | [2] | ||
| The odour type and odour descriptors were obtained from the Good Scents Company Information System [200]. | |||||||||||||