The Chemistry of Chocolate

Report
Topics to Cover
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History
How It is Made
Organic Compounds in Chocolate
Health Benefits
Fun Facts
Written Assignment
History
 Mesoamericas
 200 BC
 Currency
 1519
 Hernán Cortés
How Chocolate is
Made
 Theobroma cocoa
 Greek
 Theos= god ; broma =
food (“Food of the
Gods”)
 Natively found in
Central and South
America
 Cultivation
 Ivory Coast
• Seeds = beans
• Pulp
Opened Cocoa pod
• Roasting
• Aroma
• Flavor
• Cocoa “nibs” ground
Roasting Cocoa seeds
• Chocolate Liquor
• Cocoa butter extraction
• White chocolate
Cocoa “nibs”
Main Types of
Chocolate
 Dark
 Purest
 Mostly chocolate liquor
 Milk
 Some chocolate liquor and
cocoa butter
 Milk fat
 White
 No chocolate liquor (cocoa
solids)
 Mostly cocoa butter
Organic Compounds
in Chocolate
 Xanthine Alkaloids
 Theobromine
 Phenylethylamine
 Caffeine
 Lecithin (soy)
 Anandamide
 Flavonoids
 Sugars
 Tannins
 Many others….
Theobromine
 Derived from xanthine
 High concentration in
chocolate
 Blocks adenosine in the
brain to reduce sleepiness
 Toxicity to animals
 Metabolism
Xanthine
Phenylethylamine
• Known for psychoactive
stimulant effects
• Amphetamine
•
ADD (Adderall)
• Norepinephrine and
Dopamine
Phenylethylamine
Dopamine
Amphetamine
Norepinephrine
Caffeine
 Found only in small
quantities
 Theobromine vs. Caffeine
 Theobromine’s stimulant
effects last longer than
caffeine
 Caffeine is fast acting
 Caffeine has stronger effect
 Withdrawal
 Addiction
 Caffeine in the body
 Metabolism
Lecithin (Soy)
• Soy Lecithin
• emulsifier
Flavonoids/Flavols
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 Antioxidant
effects
 Flavan-3-ol
Health Benefits
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Diuretic
Reduces heart disease
Reduces chance of stroke
Cough suppressant
Tooth Decay Prevention
Anti- oxidant
 Dark chocolate
Random Facts
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 Lethal Dose
 German chocolate cake was
actually named after an American
named Sam German
 Mayans sometimes used chocolate
for baptisms
 People suffering from depression
eat about twice as much chocolate
as other people
 One chocolate chip provides
enough energy for someone to
walk 150 feet
Written Assignment
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References
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Drugs Society & Human Behavior by. Carl L. Hart, Charles Ksir, and Oakley Ray
Organic Chemistry by. Paula Yurkanis Bruice
http://ulecology.com/piclib/241.jpg
http://ww1.prweb.com/prfiles/2010/09/29/3966964/compressedcomal.jpg
http://images6.fanpop.com/image/photos/33300000/Cocoa-beans-chocolate33389867-800-600.jpg
http://1.bp.blogspot.com/_O5yqxEVCkA/TM25OD8J1_I/AAAAAAAAARo/2M1GJ9jIPPc/s1600/Cocoa-bean-split-open.png
http://chocolatelovers.info/wp-content/uploads/2014/05/dog_chocolatee1295305464721-266x300.jpg
http://s4.favim.com/orig/50/chocolate-comfort-console-cry-depression-Favim.com458047.jpg
https://c2.staticflickr.com/8/7140/7713808438_e482aecc71.jpg
http://www.olympiacandy.com/assets/images/category-images/chocolate-coins.jpg
http://news.bbc.co.uk/2/hi/health/892591.stm
http://upload.wikimedia.org/wikipedia/commons/5/5a/Cortes.jpg
http://www.indiana.edu/~oso/Fat/FatImg/lecithin.jpg
References
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http://www.athenapub.com/chocolat.htm
http://facts-about-chocolate.com/how-is-chocolate-made/
http://racetams.net/2014/07/23/phenylethylamine-chocolate-benefits/
http://www.factslides.com/s-Chocolate
http://www.acs.org/content/dam/acsorg/education/resources/highschool/c
hemmatters/chocolate-the-new-health-food-or-is-it.pdf
http://thestoryofchocolate.com/What/content.cfm?ItemNumber=3439&navIte
mNumber=3442
http://www.xocoatl.org/science.htm
http://www.amanochocolate.com/articles/how-much-caffeine-is-inchocolate/
http://www.xocoatl.org/caffeine.htm
http://antoine.frostburg.edu/chem/senese/101/features/anandamide.shtml
http://www.ncbi.nlm.nih.gov/pubmed/22301923
http://www.cocoavia.com/mars-and-cocoa-flavanols/
http://facts.randomhistory.com/chocolate-facts.html
http://brewedchoc.com/theobromine-vs-caffeine/
http://ajcn.nutrition.org/content/95/3/740.full
http://www.everydayhealth.com/cold-and-flu/1210/chocolate-a-cure-for-thecommon-cough-4924.aspx

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