From: "Koch, Gerald" <gkoch02@xxxxxxxxxx> Subject: [pure-silver] Re: Which photo chemicals taste the best? Date: Thu, 20 Jan 2005 10:34:04 -0500 > The mechanism appears to be the same for theobromine, theophylline, > and caffeine and consists of removal of the methyl groups attached > to nitrogens in the purine skeleton. The ultimate end product being > uric acid. Apparently, dogs and cats have other problems with > purine based compounds. Do you really know neuropharmacology? > They also lack the enzyme urease which further breaks down uric > acid to urea. Urease is usually an enzyme that breaks down urea to ammonia and carbamate. -- Ryuji Suzuki "Keep a good head and always carry a light camera." ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.