Espresso Blends (#)
„Robusta --- I would not go there unless you have too. I personally do not like the added caffeine they bring. They increase crema, but you also need to keep them below 20% in the blend, I personally never go above 15% with them. The Monsooned Robusta can get up to 25% it seems...“
http://www.coffeeresearch.org/espresso/ espressoblending.htm - Cached
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„Fine Arabica coffees contain one half of the caffeine found naturally in the cheaper Robusta beans that are used in supermarket coffees. (Using Robustas in espresso blends is another controversy that tweaks the regulars around the newsgroups.) The results of chemical analysis performed by Lauk's Testing Labs in Seattle were recently posted at the LucidCafe Web site by David Schomer. Check out these numbers: Espresso Ristretto (18.5 grams of finely ground coffee, 1 3/4 fluid ozs) 230 milligrams of caffeine. Paper Filtered, Cone drip brewed coffee (18.5 grams of Arabica coffee, about 16 fluid ozs) 340 milligrams of caffeine Those are interesting numbers but I don't know anyone who makes a 16 oz pot using only 18.5 grams of ground coffee.“
http://gawlowski.com/matt/html/ espresso_faq.html
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Robusta Coffees for Home Roast Espresso Blends
„Robusta accounts for 25% of the coffee production. There is a LOT of very low grade Robusta out there, used to pump up caffeine content and as a cheap filler in institutional coffee. We offer some high grade robusta but I must confess this to you: I have difficulty telling the difference between 12% of a haigh quality Java or PNG washed robusta in an espressp blend, and a more expensive name-brand Indian one. I just think you reach a quality threshold and anything above it is "good enough".“
http://www.sweetmarias.com/coffee.robusta.html
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Home Coffee Roasting Supplies -Sweet Maria's
„We also have a very unusual new decaf, Indian Monsooned WP Decaf, which can be used as an espresso blend base, and produces great crema! This is a great way to cut caffeine a bit, and use other non-decaf coffees to accent the espressos overall flavor profile. Reviews for these coming soon. See our Green Coffee Offering page.“
http://www.sweetmarias.com/
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„So, apart from method, what else does the crema signify? Back to Ewan Reid."The crema allows us to guess at the type of bean used in the espresso blend. A blend using lots of robusta beans will have a dark brown and, although shortlived, an effervescent crema. Arabica beans will have a lighter coloured crema, with a less vigorous foam." It's precisely because of these visual cues that you can see our coffee experts staring intently at the cup of espresso, before raising it to their lips.“
http://www.matthewalgie.com/find_out/ lab-cremcon.html
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View topic - Crema - Coffee Forum
„I'd just go to coffee review and look at their espresso reviews. An e-mail to any of the companies will tell you if they use any robusta in their espresso blends.“
http://www.coffeeforums.com/viewtopic.php?t=656
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