Sertraline should not be taken with or within two weeks of taking monoamine oxidase inhibitors (MAOIs). These include phenelzine (NardilÂ®), tranylcypromine (ParnateÂ®), isocarboxazid (MarplanÂ®), rasagiline (AzilectÂ®), and selegiline (EmsamÂ®).
Pure caffeine is a white, tasteless substance that makes up as much as 5% of. the weight of tea leaves. By structure, caffeine is closely related to the purine bases, guanine and adenine, found in deoxyribonucleic acids (DNA).
The caffeine molecule is classified as an alkaloid, meaning that it is a nitrogen-based compound that is extracted from plants. The chemical formula for caffeine is C 8 H 10 N 4 O 2, is found in coffee.Caffeine, in its pure form, is found as odorless bitter white crystals.pril 22nd, 2008 Â· 81 Comments Â·. Introduction | What is Caffeine: Molecule Structure | Stimulating Science: The Properties of Caffeine | Discovery: The Magical Bean | Coffee Creates a Social Lifestyle in Europe | Colonization and Coffee | Coffeeâs Impact on the Nation of Brazil | Coffee Industry Today | Conclusions.