Share to: one of the best answers is on http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli (commonly E. coli; pronounced /ËÉÊÉªËrÉªkiÉ ËkoÊlaÉª/, /iË ~/, and name â¦ d for its discoverer), is a Gram negative bacterium that is commonly found in the lower intestine of warmblooded organisms (endotherms).6 people found this useful. 1  Signs and Symptoms of an Escherichia Coli Infection Escherichia coli, more commonly referred to as E. coli, is a bacterium that causes significant symptoms in children in some instances.
And for more on how much caffeine is in tea, soft drinks and other products, click here. Dark roast coffees actually have less caffeine than lighter roasts. A strong, rich flavor might seem to indicate an extra dose of caffeine, but the truth is that light roasts actually pack more of a jolt than dark roasts.
But, there are so many variables that determine the amount of caffeine in a cup of coffee, it is near impossible to estimate an exact amount. 1  Caffeine varies by roasting type. 2  Different types of beans will produce more caffeine than others.  The finer that a coffee is ground the more caffeine it will contain.