Food%20Slides%204pp

Food%20Slides%204pp - The World of Chemistry...

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1 The World of Chemistry Chemistry 150 david.harpp@mcgill.ca ariel.fenster@mcgill.ca joe.schwarcz@mcgill.ca Offices in Otto Maass Chemistry The World of Chemistry 150 – Food SEE Vista - It contains a syllabus and summary notes on the various topics under COURSE INFORMATION TENTATIVE LECTURE SCHEDULE JAN. 6 INTRODUCTION/FOOD I JAN. 13 FOOD II and THE FOOD CRISIS JAN. 20 VITAMINS JAN. 27 DIET AND HEART DISEASE FEB. 3 WEIGHT CONTROL FEB. 9 MID TERM EXAM I Coverage to the end of Jan. 27. FEB. 10 MINERALS FEB. 17 DIET AND CANCER FEB. 24 - MAR 1 STUDY BREAK MAR. 3 FOOD BORNE ILLNESSES MAR. 10 FOOD ADDITIVES MAR. 12 MID TERM EXAM II Coverage to the end of March 3. MAR. 17 SWEETENERS/PESTICIDES MAR. 24 THE HEALTH FOOD BUSINESS MAR. 31 CHOCOLATE/COOKING APR. 7 WINE/CHEESE
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2 Lecture Retrieval from the Web http:// cool .mcgill.ca co urses o n l ine 2 MidTerm Exams 60% Final Exam 40% Feb. 9, Monday (coverage to end of Jan. 27) Mar. 12 , Thursday (coverage to end of Mar. 3) 6:15 – 8:30 Rooms and seating to be announced There will be two questions on the subject of each lecture on each midterm exam as well as the final exam. Thus there will be 8 questions for each exam. The topics will be assigned and will be found in the “Assigned Readings” section on the website. It is in the Bookstore Why This Course ?
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3 http://www.mypyramid.gov/ “…way back when there weren’t that many problems with health” March 12, 1989 6:40 am FM 93 Plattsburgh, NY Comments on the radio…. WHO -- UNESCO
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4 Vegetable oil Milk powder Powdered sugar Vitamins Minerals 2- year shelf life no water needed food YOU ARE WHAT YOUR MOTHER ATE
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5
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6 Lavoisier- late 1700s CO 2 produced on eating Historically… conservation of mass demonstrated New York t - late 1800s NOW CaSO 4
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7 cabbage looper ~ 40% of crops are destroyed by insects INDIA USA
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8 Protein fat A chemistry approach is necessary 96% H 2 O Flavors Sugar water
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9 Ethyl acetate Ethyl butyrate Ethyl formate Ethyl hexanoate Ethyl pentanoate Ethyl propionate Formaldehyde Formic acid Furfural Geraniol Hexanal Hexanoic acid n-Hexanoic acid 2-Hexanone 2-Hexen-1-ol 2-Hexenyl acetate Isobutanol Isopentane Methanol 2-Methylbutanal 3-methylbutanal 2-Methylbutan-1-ol Acetaldehyde Acetic acid Acetone Acetophenone Benzoic acid Benzyl acetate Butanal Butanone 2-Butanone 1-Butoxy-1-ethoxyethane Butyl acetate Butyl butyrate Butyl hexanoate Butyl propionate Butyric acid Diacetyl Diethyl ether 1,1-Diethoxyethane Ethanol 1-Ethoxy-1-hexoxyethane 1-Ethoxy-1-methoxyethane 1-Ethoxy-1-propoxyethane 1-Methyl-naphtalene Methyl butyrate 2-Methyl propanal Nonanal Pentanal Pentanoic acid 2-Pentanone 3-Pentanone Pentyl acetate Pentyl butyrate Pentyl-2-methylbutyrate 2-Phenylethyl acetate Propanal Propanol 2-Propanol Propionaldehyde Propionic acid Propyl acetate 2-Propyl acetate Propyl butyrate Propyl pentanoate Propyl propionate … + = % CAL G/DAY Fat 30 65
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Food%20Slides%204pp - The World of Chemistry...

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