Technical Compounds

barrel aging

Eugenol

All spice, cinnamon, nutmeg, general spiciness

Benzaldehyde

Bitter almonds, marzipan

Guaiacol

Smoke

trans-Lactone and cis-Lactone

Fresh Oak, coconut

Furfural

Bread/Toast/Butterscotch/Caramel; Acrid in very high concentrations

ester

Ethyl Hexanoate

Red Apple, aniseed

Terpinyl Acetate

Cherry

Ethyl Formate

Raspberry

Heptanol butyrate

Red currant

Isoamyl octonoate

Pear or melon

benzyl acetate

cherry soda, cherry flavoring

linalyl acetate

Lavender, Earl Grey Tea (ester)

hops

cis-3-hexenol

Grassy

Linalool

citrus orange, floral, blueberry, rosewood

Beta-pinene

Piney, spicy

Alpha-Humulene

Spicy, ginger beer

Dimethyl Trisulphide

onion, garlic

3-mercaptohexyl acetate

passionfruit, gooseberry, guava (thiol)

3-mercaptohexanol

Grapefruit (thiol)

2-methylbutyl isobutyrate

green apple, apricot

Geraniol

Floral, roses

beta-caryophyllene

woody, cedar, cigar box, black pepper

Alpha-pinene

Pine Resin, woody (from hops)

beta-citronellol

floral, lime, lemongrass, insect repellent (from hops)

beta-farnesene

woody, damp wood, decaying leaves (from hops)

cis-6-nonenal

honeydew melon, cantaloupe (from hops)

D-limonene

Orange juice (from hops)

Gamma-undecalactone

Peach (from hops)

oxidation

Ethyl phenylacetate

Honey

furfuryl octanoate

sherry (malt shift)

smoked malt

Guaiacol

Smoke

other

2-isobutyl 3-methoxypyrazine

Green Pepper (oxidation of coffee)

Caprylic Acid

waxy, candle wax, wax crayons, goaty (autolysis)

Butyric Acid

baby vomit, putrid, rancid cheese (infection)

malt

2-Aceytl Pyridine

Malty, Biscuty, malt dust (found in almost every beer)

2-furfurylthiol

Burnt coffee (from dark malt)

2,3,5-trimethylpyrazine

Dark Chocolate, cocoa nibs (from dark malt)

Sotolon

Brown Sugar, Madeira wine, curry leaves (maillard reaction)

Trans-anethole

Aniseed, Fennel