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[Did you just call me Coltrane?]

Originally posted by robustpuppy
No, what I read was based on studies, not on smell or taste. The idea that over-roasting would reduce the amount of caffeine sounds like barista bullshit to me.

http://webcenter.health.webmd.netsca...tentSRC_nsmain

http://www.infoplease.com/ipa/A0777440.html

It looks like the myth is fact:

http://slate.msn.com/id/2107807

Excerpt:

Starbucks must be banking on the theory that the people who buy its coffee don't just need coffee, they need Starbucks coffee, which packs a higher caffeine punch than many competitors. The Wall Street Journal earlier this year sent samples of coffee from Starbucks, 7-Eleven, and Dunkin' Donuts to Central Analytical Laboratories. The lab reported that a 16-ounce Starbucks house blend coffee contained 223 milligrams of caffeine, compared with 174 and 141 milligrams in comparable amounts of Dunkin' Donuts and 7-Eleven coffee, respectively. According to the Journal, the average Starbucks coffee drink contains 320 milligrams of caffeine. (This chart from the Center for Science in the Public Interest shows different measurement levels, including the scary finding that a 16-ounce Starbucks grande has nearly three times as much caffeine as a No-Doz.)