Fragrance and
flavor substances are comparatively strong-smelling organic compounds with
characteristic, usually pleasant odors.
The odors of
single chemical compounds are extremely difficult to describe unequivocally.
The odors of complex mixtures are often impossible to describe unless one of
the components is so characteristic that it largely determines the odor or
flavor of the composition. Although an objective classification is not
possible, an odor can be described by adjectives such as flowery, fruity,
woody, or hay-like, which relate the fragrances to natural or other known
products with similar odors. Such as, Pure ethyl
cinnamate has a fruity and balsamic odor.
A few terms used
to describe odors are listed below:
Aldehydic
|
odor note of the long-chain fatty aldehydes, e.g.,
fatty-sweaty, ironed laundry, seawater
|
Animal(ic)
|
typical notes from the animal kingdom, e.g., musk,
castoreum, skatole, civet, ambergris
|
Balsamic
|
heavy, sweet odors, e.g., cocoa, vanilla, cinnamon,
Peru balsam
|
Camphoraceous
|
reminiscent of camphor
|
Citrus
|
fresh, stimulating odor of citrus fruits such as lemon
or orange
|
Earthy
|
humus-like, reminiscent of humid earth
|
Fatty
|
reminiscent of animal fat and tallow
|
Floral, flowery
|
generic terms for odors of various flowers
|
Fruity
|
generic term for odors of various fruits
|
Green
|
typical odor of freshly cut grass and leaves
|
Herbaceous
|
noncharacteristic, complex odor of green herbs with,
e.g., sage, minty, eucalyptus-like, or earthy nuances
|
Medicinal
|
odor reminiscent of disinfectants, e.g., phenol,
lysol, methyl salicylate
|
Metallic
|
typical odor observed near metal surfaces, e.g., brass
or steel
|
Minty
|
peppermint-like odor
|
Mossy
|
typical note reminiscent of forests and seaweed
|
Powdery
|
note associated with toilet powders (talcum),
diffusively sweet
|
Resinous
|
aromatic odor of tree exudates
|
Spicy
|
generic term for odors of various spices
|
Waxy
|
odor resembling that of candle wax
|
Woody
|
generic term for the odor of wood, e.g., cedarwood,
sandalwood
|
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