Aroma Compounds


Aroma Compounds

Alcohols
Benzyl alcohol (oxidises to benzaldehyde, almond)
Ethyl maltol (sugary, cooked fruit)
Furaneol (strawberry)
1-Hexanol (herbaceous, woody)
cis-3-Hexen-1-ol (fresh cut grass)
Menthol (peppermint)

Aldehydes
Acetaldehyde (pungent)
Benzaldehyde (marzipan, almond)
Hexanal (green, grassy)
Cinnamaldehyde (cinnamon)
Citral (lemongrass, lemon oil)
cis-3-Hexenal (green tomatoes)
Furfural (burnt oats)
Neral (citrus, lemongrass)
Vanillin (vanilla)

Amines
Cadaverine (rotting flesh)
Indole (jasmine flowery, feces)
Putrescine (rotting flesh)
Pyridine (very unpleasant)
Skatole (bad breath, feces)
Substituted pyrazines: 2-ethoxy-3-isopropylpyrazine, 2-methoxy-3-sec-butylpyrazine, 2-methoxy-3-methylpyrazine (toasted seeds of fenugreek, cumin, and coriander)
Alkylpyrazines
Methoxypyrazines
Trimethylamine (fish)

Esters
Ethyl acetate (fruity, solvent)
Ethyl butanoate (fruity) – also known as ethyl butyrate
Ethyl decanoate – also known as ethyl caprate
Ethyl hexanoate – also known as ethyl caproate
Ethyl octanoate – also known as ethyl caprylate
Hexyl acetate (apple, floral, fruity)
Isoamyl acetate (banana)
Methyl butanoate (apple, fruity) – also known as methyl butyrate
Methyl salicylate (oil of wintergreen)
Pentyl butanoate (pear, apricot)
Pentyl pentanoate (apple, pineapple)
Sotolon (maple syrup, curry, fenugreek)
Strawberry aldehyde (strawberry)
Fructone (fruity, apple-like)

Ethers
Anethole (liquorice, anise seed, ouzo, fennel)
Anisole (anise seed)
Eugenol (clove oil)
2,4,6-Trichloroanisole (cork taint)

Ketones
Dihydrojasmone (fruity woody floral)
Oct-1-en-3-one (blood, metallic, mushroom-like)[1]
2-Acetyl-1-pyrroline (fresh bread, jasmine rice)
6-Acetyl-2,3,4,5-tetrahydropyridine (fresh bread, tortillas, pop corn)

Lactones
gamma-Decalactone intense peach flavor
gamma-Nonalactone coconut odor, popular in suntan lotions
delta-Octalactone creamy note
Jasmine lactone powerful fatty fruity peach and apricot
Massoia lactone powerful creamy coconut

Terpenes
Camphor (Cinnamomum camphora)
Citronellol (rose)
Linalool (floral, citrus, coriander)
Nerol (sweet rose)
Nerolidol (wood, fresh bark)
alpha-Terpineol (lilac)
Thujone (juniper, common sage, Nootka cypress, and wormwood)
Thymol (Thyme-like)

Thiols
Ethanethiol, formerly called Ethyl mercaptan (Durian or leek, added to natural gas)
Grapefruit mercaptan (grapefruit)
Methanethiol, formerly called Methyl mercaptan (added to natural gas)
Miscellaneous compounds
Methylphosphine and dimethylphosphine (garlic-metallic, two of the most potent odorants known)[1]
Nerolin (orange flowers)
Tetrahydrothiophene (added to natural gas)

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