Science
Primary Reaction
Oxidation of polyunsaturated fatty acids
Parameters
Temperature
25°C optimal
20°C to 30°C range
Cold pressing is typically done at room temperature
Time
Depends on the specific process
Several hours – Several days
Equipment
Manual or mechanical press
Sensory Profile
Aroma ()
NuttyEarthyFruity
Compounds: Oleic acid, Linoleic acid, Vitamin E
Taste
Umami
Texture
SmoothRichVelvety
Wine Analogy
Similar aromatic complexity to aged Chardonnay with nutty oxidative notes
Coffee Analogy
Resembles the toasted nut aromas of medium-roast Ethiopian Yirgacheffe
Perfume Analogy
Shares warm, earthy base notes with amber-based perfumes
Culinary Applications
AmlouMoroccoCold-pressed oil binds honey and almond paste into a breakfast dip
Zaalouk dressingNorth AfricaRaw oil adds nutty depth to smoked eggplant salads
Argan couscousBerber tribesUsed as finishing oil to enhance grain aroma
Molecular Pairing
Key Compounds Produced
Oleic acidLinoleic acidTocopherol (vitamin E)Ferulic acidSinapic acid