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5.3 Individual Aroma Compounds 375

Table 5.27. Phenols in food

Name Structure Aroma Odor threshold Occcurrence

quality (µg/kg, water)

p-Cresol Smoky 55 Coffee, sherry, milk,

roasted peanuts,

asparagus

4-Ethylphenol Woody Milk, soya souce,

roasted peanuts,

tomatoes, coffee

Guaiacol

Smoky,

burning,

sweet

1 Coffee, milk, crispbread,

meat (fried)

4-Vinylphenol

Harsh,

smoky

10 Beer, milk,

roasted peanuts

2-Methoxy-4-vinylphenol Clove-like 5 Coffee, beer, apple

(cooked),

asparagus

Eugenol Spicy 1 Tomato paste,

brandy, plums,

cherries

Vanillin Vanilla 20 Vanilla, rum, coffee,

asparagus (cooked),

butter

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