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Enantiomer & Odor
Description
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Odour Threshold (PPB)
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Acyclic Terpenoid
Odorants
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.
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(S)-(+)-linalool
- sweet, floral; odor reminiscent of petitgrain and
lavender
|
7.4
|
|
(R)-(-)-linalool
- floral, woody lavender note
|
0.8
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|
(S)-(-)-citronellol
- floral, rose-like odor, reminiscent of geranium
oil; Described by Yamamoto et. al.. as very fresh
light and clean rosy-leafy,
petal-like
|
40-50
|
|
(R)-(+)-citronellol
- citronella oil-like; Described by Yamamoto et.
al.., as slightly oily light rosy-leafy, petal like
odor with irritating top note
|
50
|
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(6S)-(-)-6,7-epoxygeraniol
- lactone like-rosy
|
NA
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|
(6R)-(+)-6,7-epoxygeraniol
- metallic-rosy
|
NA
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|
(2S,3S)-(+)-Epoxygeraniol
- green-rosy
|
NA
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|
(2R,3R)-(-)-Epoxygeraniol
- floral-rosy
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NA
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|
(3S)-(-)-citronellal
- powerful, fresh, bright clean,
herbaceous-citrusy
|
25
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(3R)-(+)-citronellal
- powerful, fresh,
herbaceous-citrusy
|
25
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(3S)-(-)-citronellyl
acetate - fresh lime citrus
odor with camphoraceous note
|
250
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(3R)-(+)-citronellyl
acetate - fresh citrus lime
odor with dirty aldehyde note
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250
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(3RS)-citronellyl
(2R)-lactate - a flowery character of lily of
the valley type, warm and rich and more natural
than rosy alcohols (Rosilial PlusTM);
this enantiomer (2-diastereomers) was introduced
into commerce by Rhodia in early 2003 and is
described in their literature as "Rosy floral note
with a citrus facet. It brings a natural
effect."
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NA
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|
(3RS)-citronellyl
(2S)-lactate - a flowery honeysuckle character
closer to citronellol, which gives it a less
natural effect than the (3RS)-citronellyl
(2R)-lactate.
|
NA
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|
(3S)-(-)-citronellyl
ethyl ether - clean sweet
rosy odor , powerful fresh topnote
|
500
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|
(3R)-(+)-citronellyl
ethyl ether - floral rosy
odor
|
250
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(3S)-(+)-citronellyl
nitrile - strong citrus odor
with aldehyde note
|
75
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(3R)-(-)-citronellyl
nitrile - mild fresh
citrus
|
100
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(3S)-(-)-dihydrocitronellal
- floral odor with sweet rosy note
|
5
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(3R)-(+)-dihydrocitronellal
- powerful rosy odor with irritative green
note
|
5
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(3S)-(-)-dihydrocitronellol
- floral odor like clean rose
|
250
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(3R)-(+)-dihydrocitronellol
- chemical, waxy and dry
rosy
|
100
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(3S)-(-)-dihydrocitronellyl
acetate - clean citrus and
muguet floral
|
250
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(3R)-(+)-dihydrocitronellyl
acetate - sweet citrus and
muguet floral
|
250
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(3RS)-dihydrocitronellyl
(2R)-lactate - citronella-like, grassy, woody
character
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NA
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(3RS)-dihydrocitronellyl
(2S)-lactate - rosy, woody, lemony
character
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NA
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(3S)-(-)-dihydrocitronellyl
ethyl ether - clean,
rosy
|
1000
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(3R)-(+)-dihydrocitronellyl
ethyl ether - fresh rosy odor
with clean fatty topnote
|
500
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(3S)-(+)-dihydrocitronellyl
nitrile - citrus floral with
fatty and herbal topnote
|
50
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(3R)-(-)-dihydrocitronellyl
nitrile - floral and slightly
citrus odor with natty and fatty
topnote
|
75
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(3S)-(+)-2-methylene-citronellal
- clean citrus odor like bergamot
|
250
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(3R)-(-)-2-methylene-citronellal
- citrus odor with citronellal-like side
note
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250
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(3S)-(+)-2-methylene-citronellol
- fresh citrus
peel
|
500
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(3R)-(-)-2-methylene-citronellol
- citrus odor with aliphatic
aldehyde
|
1000
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(3R)-(+)-7-hydroxy-6,7-dihydrocitronellal
-
weak floral (liley-of the-valley) green,
leaf-like and minty notes (Skorianetz et al.); also
described as "powerful irritating, rosy, liley-of
the-valley" (Yamamato)
|
NA
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(3S)-(-)-7-hydroxy-6,7-dihydrocitronellal
- fresh floral, sweet lily-of-the-valley
notes (Skorianetz et al.); also described as
"clean, green, lily-of-the-valley and is superior
in fine fragrance to its (3R)-(+)- antipode"
(Yamamato)
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NA
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(3S,6E)-
(-)-2,3-dihydrofarnesol - a
clean, graceful and long-lasting fragrance similar
to cyclamen
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NA
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(3R,6E)-(+)-2,3-dihydrofarnesol
- a weak fragrance with a
somewhat metallic and balsamic side
note
|
NA
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(3E,6R)-2,6-dimethylocta-3,7-diene-2,6-diol
- citrus, sweet, powdery
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NA
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(3E,6S)-2,6-dimethylocta-3,7-diene-2,6-diol
- herbal green
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NA
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(3R)-(-)-3,7-Dimethyl-2-methylene-6-octen-1-al
- a somewhat crude citronellal-like perfume
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NA
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(3S)-(+)-3,7-Dimethyl-2-methylene-6-octen-1-al
- an extremely fresh green bergamot-like
citrus-based fragrance
|
NA
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(-)-(2S)-5-methyl-2-[(1S)-1-methylprop-2-enyl]hex-4-en-1-ol
- possesses a floral rosy, natural note, very fine,
presenting multiple aspects, slightly rosinol and
green, reminding a little of rose oxide. It
provokes indeed odor notes of the family of roses
and geranium, with an extremely refined character
which evokes the best fractions of rose oil.
|
NA
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(+)-(2R)-5-methyl-2-[(1R)-1-methylprop-2-enyl]hex-4-en-1-ol
- develops a floral odorant note, rosy, with a
dimension of Rosacène (floral composition;
origin: Firmenich SA), tea rose - more pronounced
than that of its (S,S)-isomer to which the odor is
however closer to that of citronellol.
|
NA
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(R)-Lavandulol -
weak floral, herbal odor with slightly lemon-like,
fresh citrus fruity nuance
|
NA
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(S)-Lavandulol -
very weak odor
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NA
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(3S)-(+)-Hotrienol -
Green fresh flower aroma, graceful and sweet
|
NA
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(3R)-(-)-Hotrienol -
Citrus fruit-juice aroma with a pure sweet flower
aroma
|
NA
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(S)-(+)-Sulcatol -
Both enantiomers of sulcatol were odoriferous to
the human nose and smelled like geraniol with
almost no difference in the odor as tested by the
noses of the author (Mori) and his students
|
NA
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(R)-(-)-Sulcatol -
Both enantiomers of sulcatol were odoriferous to
the human nose and smelled like geraniol with
almost no difference in the odor as tested by the
noses of the author (Mori) and his students
|
NA
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(3R)-(+)-Aurantiol -
an orange flower fragrance that is not much
different from those (prepared from) the other
isomeric (d- or dl) forms of hydroxycitronellal,
but a more irritating odor, less clean, and less
(or none) of the green note as compared to the
laevo form. (Yamamato)
|
NA
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|
(3S)-(-)-Aurantiol -
an orange flower fragrance that is not much
different from those (prepared from) the other
isomeric (d- or dl) forms of hydroxycitronellal,
but with a less irritating odor and imparts a clean
and green note note as compared to the dextro or
racemic forms; therefore, the impression of this
substance was that it was of higher quality than
the other forms. (Yamamato)
|
NA
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