12/31/2014 ACS Webinars™ Have Questions? Use the Questions Box! We will start momentarily at 2pm ET Or tweet using #acswebinars Download slides after webinar: http://acswebinars.org/crosby Download slides after webinar: http://acswebinars.org/crosby Contact ACS Webinars™at [email protected] 1 Contact ACS Webinars™at [email protected] 2 1 12/31/2014 Next Food Chemistry Upcoming ACS Webinars™ www.acswebinars.org www.acswebinars.org More Advanced Beer and Brewing Thursday February 23, 2012 –Tips, Tricks, and Tidbits You Wish Secret Science of Movie Stunts and Special You Knew Effects Steve Wolf, founder of Science in the Movies and President of Special FX International Thursday March 15, 2012 Thursday March 1, 2012 Secrets from the Other Side – What Recruiters Know that You Don’t Dr. Dennis Guthrie, Associate Director of Research & Development at The Dow Chemical Company Charles Bamforth Anheuser-Busch Endowed Professor of Malting & Brewing Sciences at UC Davis Contact ACS Webinars™ at [email protected] 3 Contact ACS Webinars™ at [email protected] 4 2 12/31/2014 ACS WEBINARS™ Stay tuned… you could win! February 16, 2012 Top Five Chemistry Tips for the Kitchen One Year Subscription to Cook’s Illustrated Guy Crosby, Sara Risch, America’s Test Kitchen Popz Microwave Popcorn Download slides after webinar: http://acswebinars.org/crosby Contact ACS Webinars™at [email protected] 5 Contact ACS Webinars™at [email protected] 6 3 12/31/2014 Top Five Chemistry Tips for the Question Kitchen  How important is the application of science to home cooking? Guy Crosby, Ph.D.  Very important  Somewhat important  Not very important  Not at all-cooking is an art 7 8 4 12/31/2014 Outline Preserving Fresh Produce  Preserving fresh produce  Photosynthesis and respiration  Applications for baking soda 6 CO + 6 H 0 C H O + 6 O 2 2 6 12 6 2  A quicker way to make stock  Le Châtelier’s Principle  The best way for staling bread (modified atmosphere)  Making really chewy brownies  Application at home  Questions and answers (salad greens, others?) 9 10 5 12/31/2014 Applications for Baking Soda A Quicker Way to Make Stock •Aqueous NaHCO is alkaline •Decomposes to Na CO + H O + CO  Traditional stocks require hours of cooking 3 2 3 2 2 •Rapid breakdown of pectin at  Collagen slowly breaks pH > 5-6 weakens cell walls down to gelatin • Applications in the kitchen (polenta, oven roasted home fries, carrot cake)  Applications in the kitchen (bolognese sauce, beef stew, horseradish crusted beef tenderloin) 11 12 6 12/31/2014 The Best Way for Staling Bread Making Really Chewy Brownies  Starch gelatinization and retrogradation  The crystal structure of fat plays a key role in the chewy texture of brownies  Fat occurs in 3 basic crystal structures  What happens when bread stales? Alpha-crystals Beta-prime-crystals Beta-crystals  Applications in the kitchen (bread pudding,  Applications in the kitchen (brownies, sugar cookies, tomato-bread salad-panzanella) chocolate truffles, chocolate pudding) 13 14 7 12/31/2014 Bonus Tip – Maillard Reaction Resources  Flavors of roasted meat, baked bread, chocolate, coffee  The Science of Good Cooking (Cook’s Illustrated 2012)  Culinary Reactions (Field 2012)  Louis-Camille Maillard 1912  Food-The Chemistry of its Components (Coultate 2009)  Reaction of reducing sugars with  Food Chemistry (Belitz, Grosch & Schieberle 2009) amino acids (example: pyrazines)  Kitchen Chemistry (Lister & Blumenthal 2005)  Favored by dry, hot conditions pH 5-7  What Einstein Told His Cook 1 & 2 (Wolke 2002 & 2005)  On Food and Cooking (McGee 2004)  Applications in the kitchen (pan-roasted  The Science of Cooking (Barham 2001) fish fillets-halibut, sea bass, snapper) 15 16 8 12/31/2014 ACS WEBINARS™ February 16, 2012 Top Five Chemistry Tips for the Kitchen Questions and Answers [email protected] Guy Crosby, Sara Risch, America’s Test Kitchen Popz Microwave Popcorn Download slides after webinar: http://acswebinars.org/crosby 17 Contact ACS Webinars™at [email protected] 18 9 12/31/2014 Stay tuned… you could win! Stay Connected… ACS Network (search for group acswebinars) One Year Subscription to Cook’s Illustrated LinkedIn (search group for acswebinars) www.twitter.com/acswebinars www.facebook.com/acswebinars Contact ACS Webinars™at [email protected] 19 Contact ACS Webinars™at [email protected] 20 10