How is 4 minute cold brew possible?

Published by eum@frankdepaula.com BigCommerce on Jan 23rd 2020

How is cold brew
in 4 minutes possible?

Author Eduardo Umaña / Category Knowledge / Published: Jan-15-2020

Cold brew takes a minimum of 8 hours to make, right? Not anymore... Since we introduced FrankOne with VacTec™ it is now possible to make cold brew in just 4 minutes. How is that possible?

The answer comes down to the parameters that determine coffee extraction: temperature, time, pressure, and surface area of ground coffee. The reason why hot coffee can be prepared in a matter of 3-4 minutes with traditional methods comes down mainly to temperature. Hot water accelerates the extraction of coffee–so it is not necessary to tweak any of the other parameters to achieve a good level of extraction.

Cold brew takes hours to make because using hot water is not allowed (after all, it is cold brew-ed coffee). Since cold or room temperature water doesn't extract coffee very well, most methods rely on time in the measure of hours to days to achieve a proper level of extraction.

VacTec™ tweaks two parameters to shorten extraction time in cold brew to just 4 minutes: pressure and surface area of ground coffee. Similar to an espresso, FrankOne uses pressure to match the number of TDS (Total Dissolved Solids) of 8-12 hour cold brew extractions and arrive at a pleasant and concentrated glass of cold brew that is also very fresh. Unlike cold brew that has been soaking for hours and potentially days, VacTec™ cold brew is enjoyed minutes after coffee has been ground, giving it a fresh and vibrant taste. This is what a pro barista at George Howell Coffee had to say about Cold Brew made on FrankOne:

"I do really like how it makes cold brew, significant cut in brew time with still that sweet, low acid resulting brew that I'd expect from Cold brew."

-Tyler Wood, Educator, George Howell Coffee

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Author Eduardo Umaña / Category Knowledge / Published: Jan-15-2020

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