Methyl (R)-(-)-3-hydroxyhexanoate - sweet, woody, fruity. Odor threshold: 2.1 ng/L in air; 3.76 ppm in water The racemate is described as sweet woody, overipe ripe fruity estry, pineapple, juicy, oily Ref: Andrea Buettner and Peter Schieberle, Evaluation of Key Aroma Compounds in Hand-Squeezed Grapefruit Juice (Citrus paradisi Macfayden) by Quantitation and Flavor Reconstitution Experiments, J. Agric. Food Chem. 2001, 49, 1358-1363; see pineapple hydroxyhexanoate (Good Scents Co.)

Methyl (S)-(+)-3-hydroxyhexanoate - weak and aldehyde-like. Odor threshold: 4380 ng/L in air Ref: Andrea Buettner and Peter Schieberle, Evaluation of Key Aroma Compounds in Hand-Squeezed Grapefruit Juice (Citrus paradisi Macfayden) by Quantitation and Flavor Reconstitution Experiments, J. Agric. Food Chem. 2001, 49, 1358-1363

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants