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).
Pure water and ice have a pale blue color, which is most noticeable at tropical white-sand beaches or in ice caves in glaciers. (Green colors are usually derived from algae.) The blueness of the water is neither due to light scattering (which gives the sky its blue color) nor dissolved impurities (such as copper).