Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Part 2 Odor Structure - Waste Management Engineering
Document related concepts
no text concepts found
Transcript
Douglas W. Hamilton Waste Management Specialist Biosystems and Agricultural Engineering Making Sense of Smells A Guide for Understanding Farmstead Odors Part 2: Odor Structure Odors need not be so mysterious … 1. They have structure 2. They are measurable Odors need not be so mysterious … 1. They have structure Perfume Structure Perfume Fragrances are mixtures of Notes 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 Perfume Fragrances are mixtures of Notes Notes are mixtures of Odorants 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 Perfume Fragrances are mixtures of Notes Notes are mixtures of Odorants Odorants are individual Chemicals 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 Odor Structure Perfume Fragrances Odors are mixtures of Notes are mixtures of Notes Notes Notes are mixtures of Odorants are groups of Odorants Odorants Odorants are individual Chemicals are individual Chemicals Farmstead Odorant Groups Organic Acids Acetic Acid Propionic Acid Butanoic Acid Iso-Valeric Acid Pentanoic Acid Alcohols, Aldehydes, Ketones Methanol Formaldehyde Acetone Methyl Ethyl Ketone Phenolic Compounds Sulfuric Compounds Phenol p-Cresol Hydrogen Sulfide Methyl mercaptan Dimethyl sulfide Diethyl sulfide Nitrogen Compounds Ammonia Methyl amine Dimethyl amine Diethyl amine Indole Skatole
