(4R,5R)-(-)-epoxy-(E)-2-decenal - At 0.02 ppb in water - faint smell, mild metallic taste (strongest enantiomer) At 0.2 ppb in water - strong metallic smell/taste At 20 ppb in water - strong metallic and bean taste/smell "The profile in all the samples is similar, with the (-) isomer at least 3-5 times stronger than the (+/-) racemate, or 10 times stronger than the (+) isomer." Ref: Daniher, Andrew; Furrer, Stefan; Goeke, Andreas; Epoxydecenal isomers, United States Patent 6,335,047 (January 1, 2002)

(4S,5S)-(+)-epoxy-(E)-2-decenal - At 0.02 ppb in water - no smell, no taste (weakest enantiomer) At 0.2 ppb in water - mild metallic smell and taste At 20 ppb in water - clear metallic and bean taste/smell "The profile in all the samples is similar, with the (-) isomer at least 3-5 times stronger than the (+/-) racemate, or 10 times stronger than the (+) isomer." Ref: Daniher, Andrew; Furrer, Stefan; Goeke, Andreas; Epoxydecenal isomers, United States Patent 6,335,047 (January 1, 2002)

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants