(R)-( +)-limonene - fresh citrus, orange-like Odor Threshold = 200 ppb Ref: L. Friedman & J.G. Miller, Odor incongruity and chirality, Science, 172, 1044-6 (1971); G. Ohloff, Scent and Fragrances, Springer-Verlag (1994), p. 43; Mans H. Boelens, Harrie Boelens & Leo J. van Gemert, Perfumer & Flavorist, Vol. 18, No. 6, 1-15, 1993

(S)-(-)-limonene - harsh, turpentine-like, lemon note Odor Threshold = 500 ppb Ref: L. Friedman & J.G. Miller, Odor incongruity and chirality, Science, 172, 1044-6 (1971); G. Ohloff, Scent and Fragrances, Springer-Verlag (1994), p. 43; Mans H. Boelens, Harrie Boelens & Leo J. van Gemert, Perfumer & Flavorist, Vol. 18, No. 6, 1-15, 1993

Ionones, Irones, Damascones & Structurally Related Odorants

Acyclics (Alcohols, Esters, Acids, Aldehydes)

Lactones

Sesquiterpenoid Related Odorants