:: Confusion About Infusion :: (#)

  „For those of us who didn't attain Ewan's degree in Food Science, it can be simplified thus: Adding some of the brewing water to the wad of coffee grounds makes them swell up, and this change in particle size and extraction results in your brew having a different taste and mouth feel. From a sensory point of view, then, a careful use of pre-infusion can optimise your cup of espresso if necessary. It ought to raise the perceived body of the drink whilst also reducing acidity. But one has to be careful, as it is all too easy to ruin the character of the blend.“

http://www.matthewalgie.com/find_out/ lab-confusion.html - Cached

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Some slightly related:

illy caffè North America

  „This new machine was developed to solve the problems that characterized other methods of preparing the beverage, such as their slow speed and the loss in flavor incurred when the infusion was prepared and kept warm until it was consumed. Therefore, the new machine had to be capable of preparing one or two coffees in a short time, upon the request of the customer. To speed up the passage of the water through the coffee grounds, a high-pressure system was invented, using steam delivered through a series of valves that were controlled by the bartender.“

http://www.illyusa.com/pr/ the_story_of_espresso.htm - Cached

Tea & Coffee 11/02 - Herbal and Flavored Tea Invasion

  „We also experiment a lot.” Another aspect to consider when developing a new infusion is market trends. Recently rooibos and honey bush have penetrated the market, but other factors contribute to new blends. Linda Smith of Divinitea addresses the health benefits of herbals, “Since the increased interest in female issues and anti-oxidants I blend teas for these markets like African Elixir, very high in anti-oxidants, trace minerals and isoflavones.” At Numi, “Lemon Myrtle, as found in our Sweet Meadows Chamomile Lemon Myrtle blend, is definitely a hot herb on the market. We’ve had a few people call us looking to source our Dry Desert Lime, so this may be on the cusp of a trend as well.”“

http://www.teaandcoffee.net/1102/tea.htm - Cached

Perfect Your Press (INeedCoffee.com)

  „The coffee grounds will swell during the steeping time. After the appropriate amount of steeping, gently press the French Press plunger down. The mesh filter will push the coffee grounds to the bottom and separate the liquid from the coffee grounds.“

http://www.ineedcoffee.com/99/05/frenchpress/ - Cached

It's All About Coffee

  „the water may start out too hot and cool below ideal by the end of the infusion. Most vacuum brewers use a "glass filter" which imparts no taste of its own and does not remove oils, as paper drip filters do. The end result is a brew with the strength and flavor of French press, but the clarity of drip. Its also fun to watch the water go up and down.“

http://www.aboutcoffee.net/ 2002_08_25_bcearc.html - Cached

:: Dealing With Decaf ::

  „Removing caffeine from coffee beans is nothing new, and there are a number of techniques. The Swiss Water process is an expensive one but it results in the best coffee taste" explains Ewan, putting down his test tubes for a moment. But how does it all work? Ewan goes into technical mode.“

http://www.matthewalgie.com/find_out/ lab-dealing.html - Cached

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