During the cold-brew process, time replaces heat, yielding a coffee concentrate that is 67% less acidic than hot-brewing. Todd Simpson, a chemical engineering graduate of Cornell, and who developed the Toddy cold brew system, discovered that high temperature facilitates the release of undesirable flavor elements.
A roasted coffee bean contains many compounds that are extracted during the brewing process. Some of those compounds, including certain oils and fatty acids, are soluble only at a high temperature. During the cold brew process, coffee beans are never exposed to high temperature (this only occurs after a rich liquid coffee concentrate has been produced).
When ordering coffee for use in the Toddy Cold Brew System, be sure and specify "Grind for French Press - Coarse" as the desired grind method, unless you plan to grind it yourself. Do not use " Grind for Auto-Drip - Regular" as the grounds will be too small, causing improper extraction, a clogged filter and at least one frustrated coffee drinker! We love our Mocha Java blend when using the Toddy Cold Brew system, but your favorite Raphael's coffee will work too!
Deceptively simple, cold water brewing extracts the delicious flavor compounds (and some of the caffeine) from coffee beans, but leaves behind a myriad bitter oils and biting fatty acids, including undesirable elements such as ketons, esters and amids.
These are the same bitter acids and fatty oils that surface to the top of your hot cup of coffee, and give hot-brewed coffee that familiar 'bite' (thus the reason that some 8 out of 10 people attempt to soften the acidic taste by adding milk or cream to their coffee).
The cold brew process creates a perfectly balanced and distinctively smooth cup of coffee - served steaming hot or iced cold. You're invited to taste the Toddy difference: the same taste that has delighted coffee drinkers for nearly 50 years.
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