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Sensory Science 101

Sensory Science 101. Maryland Academy of Nutrition & Dietetics Annual Meeting April 25, 2014 Annette Hottenstein, MS, RD, LDN. Oh, the P laces You’ll G o. What IS Sensory Science? ACTIVITY: Mindful E ating, 5 Senses Style Sensory Science Toolbox ACTIVITY: Are you a Supertaster?

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Sensory Science 101

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  1. Sensory Science 101 Maryland Academy of Nutrition & Dietetics Annual Meeting April 25, 2014 Annette Hottenstein, MS, RD, LDN

  2. Oh, the Places You’ll Go...

  3. What IS Sensory Science? • ACTIVITY: Mindful Eating, 5 Senses Style • Sensory Science Toolbox • ACTIVITY: Are you a Supertaster? • Applications for Nutrition Professionals • Questions AGENDA

  4. “ A scientific discipline used to evoke, measure, analyze, and interpret reactions to the characteristics of food and materials as they are perceived by the senses of sight, smell, taste, touch, and hearing” - Institute of Food Technologists(IFT) What is Sensory Science?

  5. Wikipedia: WWII Field C Rations Photo: User “Skiff” Photo taken at the Mesa Historical Museum, in Mesa, Arizona Wikipedia: Coffee Cuppers Photo: Pete Lewis UK Department for International Development History of Sensory Evaluation

  6. "The New Fred Meyer on Interstate on Lombard" (7404 N Interstate Ave, Portland, OR). Use in Industry… Photo Credit: lyzadanger File:Fredmeyer edit 1.jpg From Wikimedia Commons, the free media repository

  7. A Sensory Scientist is Born….

  8. “We normally chew about a hundred times a minute. But if we let something linger in our mouth, feel its texture, smell its bouquet, roll it around on the tongue, then chew it slowly so that we can hear it’s echoes, what we’re really doing is savoring it, using several senses in a gustatory free for all” – Diane Ackerman, A Natural History of the Senses

  9. “Raisin” Exercise 2.0 Mark Williams, John Teasdale, Zindel Segal, and Jon Kabat-Zinn (2007). The Mindful Way through Depression: Freeing Yourself from Chronic Unhappiness. New York: Guilford Press.

  10. APPEARANCE: Color of Crust, Evenness of crumb color, Color of crumb, Chroma of crumb (intensity of color), Cell size, Cell uniformity, Uniformity of shape, Thickness, Distinctiveness of cap. AROMATICS: Raw grain, Cooked grain, Brown grain, Bran, Dairy / butter, Soured (milky, cheese, grain), Caramelized, Yeasty/fermented, Plastic, Chemical Leavening, Baking soda BASIC TASTES: Sweet, Salty, Sour, Bitter CHEMICAL FEELING FACTORS: Metallic, Astringent, Baking soda feel SURFACE TEXTURE: Roughness of crumb, Initial moistness FIRST CHEW: Crust Firmness, Crust Cohesiveness, Firmness of Crumb, Denseness of Crumb, Cohesiveness of Crumb, Uniformity of Chew CHEWDOWN (10 SEC): Moisture absorption, Moistness of Mass, Roughness of Mas, Lumpy, Grainy, Adhesiveness of Palate, Stickiness to Teeth RESIDUAL: Loose particles, Tacky Film 45 attributes for white bread! Source: Sensory Evaluation Techniques, 4th Edition. Meilgaard, Civille & Carr

  11. Sensory Toolbox

  12. TRIANGLE TEST Which sample is different? 897 607 345 Discrimination Testing

  13. Descriptive Evaluation

  14. 9 pt. Hedonic Scale 5 pt. Just About Right (JAR) Scale Which do you prefer? Focus Groups Consumer Testing (Quantitative & Qualitative)

  15. Statistics help to see the forest through the trees Statistics

  16. Physiology of the senses

  17. Are you a “Super Taster?” PTC Test

  18. “Tasters” “Super Tasters” “Non-Tasters” Supertaster, so what? Stucky, B. Taste: Surprising Stories and Science About Why Food Tastes Good. 2012. Savorite Things, LLC.

  19. Sensory Science for RDs 8130 - Sensory perception and evaluation of food and ingredients

  20. Applying Sensory to Nutrition & Dietetics

  21. Academia A Drewnoski, S Ahlstrom Henderson, A Driscoll; BJ Rolls. 1996. Salt taste perceptions and preferences are unrelated to sodium consumption in healthy older adults.Journal of the American Dietetic Association 96, (5): 471-474.

  22. Food Service

  23. Counseling

  24. Food Demo/Supermarkets

  25. Kids

  26. Older Adults Murphy, Claire, et al. "Prevalence of olfactory impairment in older adults." Jama288.18 (2002): 2307-2312.

  27. The Journey Continues….

  28. THANK YOU! QUESTIONS?

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