Chemoreception & Tobacco Leffingwell & a Ssociates
Chemoreception & Tobacco John C. Leffingwell Centers for Disease Control and Prevention Leffingwell Leffingwell & Associates October 6, 2014 Aspects of Oral Perception • Taste (Gustation) • Aroma (Olfaction) • Mouthfeel • Thermal & Chemesthetic (e.g. Trigeminal) Cooling Ingredients • Menthol Production • Menthol & Perception • Other Cooling Ingredients Tobacco & Flavoring • The Old Cigarette Companies • The Changing Cigarette • Filters - Lower Tar & Nicotine • Smoke pH, Ammonia & DAP • Tobacco Flavors E-Cigarettes & Flavors Leffingwell Leffingwell & Associates • The New Wild West Leffingwell & Associates ASPECTS OF ORAL PERCEPTION ORAL ASPECTSOF ASPECTS OF ORAL PERCEPTION Taste Umami Sweet (MSG) (Sugars) Taste (Gustation) Sour Bitter (Citric (Quinine) acid) Salty (NaCl) Leffingwell Leffingwell & Associates And is “Kokumi” the sixth taste? ASPECTS OF ORAL PERCEPTION Almond, Peanut, Pine, Amber Walnut, Hazelnut Patchouli Bell pepper, Peas, Carrot, Hay, Mushroom, Moldy Grass, Tobacco, Nutty Woody Corky, Geosmin Mint Herbal Earthy Citrus, Berry, Fig, Vegetable Raisin, Cherry, Plastic, Apple, Banana, Gasoline, Melon Solventy Fruity Chemical Clove, Nutmeg, Aroma Vinegar, Cinnamon, Anise, Spicy Pungent Basil, Coriander, Mustard, (Olfaction) Horseradish Black pepper Phenolic Floral Magnolia, Rose, Smoky, Orange blossom, Leather, Violet, Geranium Micro- Vanilla, Roasted biological Medicinal Yeasty, Buttery, Putrid Animal Cocoa, Sweaty, Horsey, Coffee, Mousey Meat Leffingwell Leffingwell & Associates Fecal Musk, Castoreum ASPECTS OF ORAL PERCEPTION
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