"The chemical history of caffeine " Topic
4 Posts
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| Martin From Canada | 23 Sep 2016 9:24 a.m. PST |
PDF link So it looks like caffeine evolved independently at least 5 times, and that while the chemical in coffee beans and tea leaves is identical, it is synthesized through different pathways. |
| Bowman | 27 Sep 2016 10:12 a.m. PST |
I suppose this is an example of chemical convergence. I was wondering how cacao or chocolate evolved caffeine also. Turns out a google search shows that cacao uses the same enzymatic pathways as tea. This would suggest that coffee and chocolate are not as closely related as I would have assumed. Chocolate is more closely related to tea. Of course, the creationists are stating that this proves "intelligent design" is legit. From the inappropriately named Evolution News: link |
| Hafen von Schlockenberg | 27 Sep 2016 7:25 p.m. PST |
So,which one did Adam drink? |
| Bowman | 28 Sep 2016 9:12 a.m. PST |
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experiments with using recessed bases for figures with cast-on bases.