PPT-Extraction of caffeine Ito Takumi

Sawada Taiki Takahashi Y usuke Hayashi Haruka I dont feel sleepy We are sometimes sleepy during class And we drink energy drink or coffee 　　 　. Caffeine is found in numerous plants the most widely consumed being coffee tea cola nut cocao pod guarana and mat It is estimated that in North America between 80 and 90 percent of adults and children habitually consume caffeine About 15 of the gene Manmade caffeine is sometimes added to foods drinks and medicines Ninety percent of people in t he world use caffeine in one form or another In the US 80 percent of adul ts consume caffeine every day the average adult has an intake of 200 mg per da To the average Joe questioning the existence of caffeine addiction probably seems absurd The web abounds with quotes and expos57577s about the addictive nature of caffeine using catchy slogans about coffee that borrow from other substance addiction By Sarah French. Eng 104-43. November 16,2009. Addiction is defined as being abnormally tolerant to and dependant on something that is psychologically or physically habit forming. Once caffeine enters the blood stream it only takes minutes for the caffeine to reach the entire body . Jennifer Velez. Kaplan University. HW499. What is Caffeine?. Caffeine . is a chemical found it plants that stimulates . the . central nervous system (. CNS), heart, muscles, and the centers that control blood . Coffee Packets. Eric Anderson. Alana Warner-. Tuhy. Introduction. Reason for Study. Experimental Parameters. Results. Conclusions. References. Justification for Study. Warning on the back of coffee packet. Did you know… . Caffeine is a DRUG. What is Caffeine found in… . Brainstorm. !. C. offee. Tea. Energy drinks. Pastries . Chocolate. Coca cola . Ice cream. Soft drinks . Cakes . What it does…. Caffeine acts as a stimulant which increases alertness in the body. . 03 September 2013. © AWDTS 2013. © AWDTS 2013 . History. most . widely used psychoactive drug . found . in more than 60 . species . of . plants. coffee. , tea, cocoa beverages, . Organics in MST using Micro Extraction with LVI . GC/MS. Method developed by Michael Muramoto. Presentation by Felix Zboralski. Objective & Challenge. . Develop . an Organic Analysis . method that is quick and economical and can be used to support microbial analysis in tracking waste water intrusion into storm water pathways. . Rob “Rockstar” Flynn. Steele “Full Throttle” Taylor. Or Great Thing?. Rough . Timeline . of . Caffeine in America. Tea Gains Prominence. Coffee. Dr. Pepper. Coca Cola / Pepsi. Jolt Cola. Red Bull. Names. Anhydrous Caffeine. Cafeina. Caffeine Anhydrous Citrated. Caffeine . Trimethylxanthine. . Sodium . Benzonate. Scientific names. 1,3,7-Trimethylpurine-2,6-dione. C. 8. H. 10. N. 4. O. 2. Slang Terms. Caffeine - Background. Caffeine is . a naturally occurring alkaloid that belongs to a class of compounds called . xanthines. . . It is found . in varying quantities in the seeds, leaves, and . fruits . Caffeine is one of the most widely used drugs in the world.. It is estimated that ______% of adults in the United States regularly drink caffeinated beverages. . It has also been estimated that the average adult caffeine intake in the United States is 200 to 400 mg per day. . PART . II. Pure caffeine is a white, tasteless substance that makes up as much as 5% of the weight of tea leaves. Caffeine found in deoxyribonucleic acid (DNA).. Many natural products contain caffeine that helps the nerve system to be relaxed and .