Chirality & Odour Perception
John C. Leffingwell, Ph.D.

The Linalools

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Photo by permission of M. Roudintska - Art & Parfum

(R)-(-)-linalool - floral, woody lavender note

Odor Threshold = 9-11 ppb in air (Christoph); 0.8 ppb (Padrayuttawat et. al.)

Ref: G. Ohloff and E. Klein, Die absolute konfiguration des linalools durch verknüpfung mit dem pinansystem, Tetrahedron, 18, 37-42 (1962); Mans H. Boelens, Harrie Boelens & Leo J. van Gemert, Sensory Properties of Optical Isomers, Perfumer & Flavorist, Vol. 18, No. 6, 1-15, 1993; Christoph, N.: Die Anwendung der gaschromatographischen Sniffing – Technik zur Bestimmung von Geruchsschwellen und Aromawerten. Dissertation TU München, 1983; Padrayuttawat, A.; Yoshizawa, T.; Tamura, H.; Tokunaga, T. Optical isomers and odor thresholds of volatile constituents in Citrus sudachi. Food Sci. Technol. Int. Tokyo, 1997, 3, 402-408.

(S)-(+)-linalool - sweet, floral; odor reminiscent of petitgrain and lavender

Odor Threshold = 35-40 ppb in air (Christoph); 7.4 ppb (Padrayuttawat et. al.)

Ref: G. Ohloff and E. Klein, Die absolute konfiguration des linalools durch verknüpfung mit dem pinansystem, Tetrahedron, 18, 37-42 (1962); Mans H. Boelens, Harrie Boelens & Leo J. van Gemert, Sensory Properties of Optical Isomers, Perfumer & Flavorist, Vol. 18, No. 6, 1-15, 1993; Christoph, N.: Die Anwendung der gaschromatographischen Sniffing – Technik zur Bestimmung von Geruchsschwellen und Aromawerten. Dissertation TU München, 1983; Padrayuttawat, A.; Yoshizawa, T.; Tamura, H.; Tokunaga, T. Optical isomers and odor thresholds of volatile constituents in Citrus sudachi. Food Sci. Technol. Int. Tokyo, 1997, 3, 402-408.

Cyclic Terpenoid Odorants

Bicyclic Terpenoid Odorants

Acyclic Terpenoid Odorants

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants

Steroid Urine Type Odorants

Sandalwood Type Odorants

Musk Odorants

Miscellaneous

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