(-)-(2S)-Heptane-2-thiol - bell pepper, fruity, vegetable at lower concentrations; at higher concentrations (100-1000 times the threshold) - sulfury, onion, with some mushroom note; No differences in odor note and threshold value were observed for the enantiomeric forms. Odor Threshold = 10 ppbb Ref: Herve Simian, Fabien Robert, and Imre Blank, Identification and Synthesis of 2-Heptanethiol, a New Flavor Compound Found in Bell Peppers, J. Agric. Food Chem., 52 (2), 306 -310, 2004

(+)-(2R)-Heptane-2-thiol - bell pepper, fruity, vegetable at lower concentrations; at higher concentrations (100-1000 times the threshold) - sulfury, onion, with some mushroom note Odor Threshold = 10 ppbb Ref: Herve Simian, Fabien Robert, and Imre Blank, Identification and Synthesis of 2-Heptanethiol, a New Flavor Compound Found in Bell Peppers, J. Agric. Food Chem., 52 (2), 306 -310, 2004

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants