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-(-)-(z)-7-gamma-decenolactone.gif)
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(R)-(-)-(Z)-7-gamma-decenolactone
- racemate-like, fruity, intensive peach-like,
coconut, distinctly stronger than (S)-(+)-
antipode; Bourdineaud et. al. describe this as:
Exhibits a mild floral, lactonic and
coumarine-like note. It is more intense than the
S-(-)-enantiomer. Each of these two enantiomers
is very ddifferent from the racemate, which is
strongly fatty .
=
(R)-(-)-gamma-jasmin lactone
Ref: P.
Werkhoff et. al,. Z. Lebensm. Unters. Forsch.
196, 307-328 (1993); N. Fischer et. al., in
Progress in Flavour Precursor Studies, P.
Schreier and P. Winterhalter, eds, Int'l Symp.
Univ. Wuerzburg, (Sept. 30-0ct. 2,1992), Carol
Stream,Illinois, USA, Allured Publ, (1993) pp.
287-294; Mans H. Boelens, Harrie Boelens &
Leo J. van Gemert, Perfumer & Flavorist,
Vol. 18, No. 6, 1-15, 1993; Bourdineaud,
Jean-Paul; Ehret, Charles; Petrzilka, Martin;
Optically active lactones, World Patent
WO/94107887, April 19, 1994
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-(+)-(z)-7-gamma-decenolactone.gif)
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(S)-(+)-(Z)-7-gamma-decenolactone
- creamy, milky, soft, caramel, fruity
gamma-decalactone-like, weakly peach-like;
Bourdineaud et. al. describe this as: More heavy
and lactonic, but less floral and mild than the
(R)-(+)-enantiomer. Approaches rather a tuberose
note, whereas the (S)-(+)-enantiomer tends
towards jasmin. The (S)-(+)-enantiomer is
organoleptically clearly less interesting than
the (R)-(+)-enantiomer, but it is more tenacious
and assures the coconut base of the
racemate.
=
(S)-(+)-gamma-jasmin lactone
Ref: P.
Werkhoff et. al,. Z. Lebensm. Unters. Forsch.
196, 307-328 (1993); N. Fischer et. al., in
Progress in Flavour Precursor Studies, P.
Schreier and P. Winterhalter, eds, Int'l Symp.
Univ. Wuerzburg, (Sept. 30-0ct. 2,1992), Carol
Stream,Illinois, USA, Allured Publ, (1993) pp.
287-294; Mans H. Boelens, Harrie Boelens &
Leo J. van Gemert, Perfumer & Flavorist,
Vol. 18, No. 6, 1-15, 1993; Bourdineaud,
Jean-Paul; Ehret, Charles; Petrzilka, Martin;
Optically active lactones, World Patent
WO/94107887, April 19, 1994
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