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Table 4 Terms used to describe odors perceived during olfactometric analysis of onions and examples associated

From: Evaluation of aroma profile differences between sué, sautéed, and pan-fried onions using an innovative olfactometric approach

Odor families

Terms

Examples associated

Fruity

  

Animal

  
 

Feet

 

Fishy

 

Fish, ammoniacal

Aldehyde

  
 

Butter

Fresh butter, melted butter

 

Fatty

Animal fat, margarine, lard

 

Frying oil

Oily, french fries

Herbal

  
 

Green

Green vegetables

 

Fresh

Cutted grass

Spicy

 

Clove, pepper, curry

Chemical

 

Pharmaceutical, medicine, solvent, alcohol

Acid

  
 

Piquant

vinegar

Sulfurous

  
 

Gas

Natural gas

 

Cabbage

 
 

Cooked potatoes

Boiled potatoes, purée

 

Alliaceous

Garlic, shallot, chive, ciboule

 

Raw leek

 
 

Onion skin/tannic

 
 

Raw onions

 
 

Sautéed/browned onions

 
 

Onion soup

 
 

Caramelized onion

 

Pyrogenic

  
 

Cooked vegetables

 
 

Broth

Soup

 

Meat stock

 
 

Caramel

Melted sugar, salted butter caramel

 

Roasted

Torrefied coffee, toasted bread, grilled meat

Malty

 

Chocolate, beer, basmati rice

Sweet

 

Candy, vanilla

Flower

  

Mint

 

Chewing gum with menthol, anise

Woody

  
 

Mushroom

Wet cellars, earthy, musty

Unknown

  

Others