Gamma undecalactone
is the molecule responsible for "Peach" scent/flavor. It occurs naturally in many fruits and fermented products and is not only important in peach flavored and scented products but also as part of apricot and strawberry flavors and scents.
Gamma undecalactone
C11 H20 O2
It is used as a flavoring for beverages, personal care, pharmaceutical and household goods, as well as a food additive