PS268 Lecture : Xanthines
Document Summary
History three plants containing xanthines have been used by humans for thousands of yours. Current north american consumption: about 100 litres per year. Decaf coffee resolve organic mechanisms by the use of solvents harsh chemicals purified and made safe after. *the point is that different ways of making it, makes a difference on the amount of caffeine in your beverage. Has caffeine but a lot less amount than coffee it also has theophylline: significant medical usage, as it expands the lungs letting more air in asthma puffers in small amount in tea. Laurier data consumption of coffee and tea among students is almost identical. Caffeine content is very small theobromide very weak stimulus for the brain: don t give your kids chocolate, or they will be hyper no scientific evidence. Until 1906, the beverage did contain a small amount of cocaine made with coca leaves. *some energy drinks actually have less caffeine than a beverage from starbucks.
