(2R)-2-phenylpropanal - No fragrance impression at >2.5 ppm in air Odor threshold = >2500 ppb in air Ref: D. Bartschat and A. Mosandl, Stereoisomeric flavour compounds LXXIV: 2-phenyl propanol, 2-phenylpropanal, 2-phenylpropanal dimethyl acetal: structure elucidation ans structure-function relationship, Z. Lebensm.-Unters. Forsch. 202, 266-269, 1996.

(2S)-2-phenylpropanal - Intensive flowery, green, reminiscent of hyacinth odor, pleasant up to a high concentration without negative impression Odor threshold = 20 ppb in air Ref: D. Bartschat and A. Mosandl, Stereoisomeric flavour compounds LXXIV: 2-phenyl propanol, 2-phenylpropanal, 2-phenylpropanal dimethyl acetal: structure elucidation ans structure-function relationship, Z. Lebensm.-Unters. Forsch. 202, 266-269, 1996.

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants