The invention relates to a gamma-undecenolactone of formula (I), wherein a lactonic cycle can carry an unsaturation between carbon N
o
2 and carbon N
o
3 and is preferably saturated, RI is a possibly substituted C
7
alkenyl or alkynyl group comprising at least one unsaturation, and preferably RI is an CH
2
═CH—CH
2
—CH
2
—CH
2
—CH
2
—CH
2
group, said gamma-undecenolactone contains an asymmetric carbon in position 4 having (R) or (S) configuration. The biosynthesis of said gamma-undecenolactone and the use thereon for perfumery and for a food flavouring agent are also disclosed.
本发明涉及一种公式(I)的γ-十一烯内酯,其中内酯环可以在碳2和碳3之间带有不饱和度并且最好是饱和的,RI是可能被取代的C7烯基或炔基,包括至少一个不饱和度,最好的RI是一个
CH2═CH— — — — — 基团,所述的γ-十一烯内酯在4位具有(R)或(S)构型的不对称碳。还公开了所述γ-十一烯内酯的
生物合成以及其用于
香料和食品调味剂的用途。