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Making Sense of Smells. Douglas W. Hamilton BAE 1022 Spring 2010. Odors need not be so mysterious …. They have structure They are measurable. Five Senses. Physical. Five Senses. Chemical. Touch. Physical. Five Senses. Chemical. Touch. Physical. Hearing. Five Senses. Chemical.
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Making Sense of Smells Douglas W. Hamilton BAE 1022 Spring 2010
Odors need not be so mysterious … • They have structure • They are measurable
Physical Five Senses Chemical
Touch Physical Five Senses Chemical
Touch Physical Hearing Five Senses Chemical
Touch Physical Hearing Sight Five Senses Chemical
Touch Physical Hearing Sight Five Senses Smell Chemical Taste
Animal Sense of Smell Vomeronasal Organ Olfactory Organ Trigeminal Nerve
Human Sense of Smell Vomeronasal Organ Olfactory Organ Trigeminal Nerve
The Human Nose And Olfactory Organ
Smelling with the Olfactory Organ and Limbic System
Trigeminal Nerve Maxillary Opthalmic Mandibular Pain Response !
Some Odorants Sensed Through the Trigeminal Nerve Menthol Capsaicin Ammonia Acetic Acid
Odors need not be so mysterious … • They have structure
Perfume Structure Rose de Grasse is characterized by a honey note, resembling very slightly a delicate peppery note, shading off into a light tonality of natural carnation … it is possible to perceive a slightly green odor … Billot, M. and F.V. Wells. Perfumery Technology: Art, Science, Industry. New York:John Wiley.
Perfume Structure Rose de Grasse is characterized by a honey note, resembling very slightly a delicate peppery note, shading off into a light tonality of natural carnation … it is possible to perceive a slightly green odor … Billot, M. and F.V. Wells. Perfumery Technology: Art, Science, Industry. New York:John Wiley.
Perfume Structure Hyacinth Green Base No. 10 Hydroxycitonellel Phenylethyl acetate Phenylethyl alcohol isoEugenol Cinnamic alcohol Phenylacetaldehyde Phenylacetaldehyde dimethyl acetal Folial Benzyl acetate Phenylethyl formate Terpineol Rhodiniol alpha-Amaylcinnamic aldehyde Paracetone Dimethyl phthalate
Odors need not be so mysterious … • They have structure • They are measurable
How does it smell? How Long? How Much? How Strong? Character Persistence Concentration Intensity Odor Measurement
Persistence NH3
Persistence NH3 H3C-NH-CH3
Persistence NH3 CH3 H3C-NH-CH3 N