Download Biological Activity of Natural Products by Jaroslava Svarc-Gajic PDF
By Jaroslava Svarc-Gajic
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Extra resources for Biological Activity of Natural Products
Some individuals who have used LSD experienced persistent perceptual abnormalities which lasted for weeks or months after last exposure (Halpern and Harrison, 2003). Alkaloid was proposed in the treatment of psychosis, however due to its pronounced side effects the idea was abandoned. All ergot alkaloids are contraindicated in persons undergoing therapy with drugs that affect serotonin, such as Fluoxetine (Prozac) or Paroxetine (Paxil). These are used to treat different neurological disorders, like depression, bipolar disorder, obsessive compulsive disorder, bulimia nervosa, panic disorder and others.
This pigment efficiently reduces skin damage caused by UV light and acts as an activator of phase II enzymes. Health risks associated to high lycopene intake are linked to lycopene producing itself reactive radicals in the body, especially when taken in supplement form and under the influence of external factors, such as cigarette smoke. In this instance lycopene may act as a carcinogen. Lycopene is Medicinal Use of Some Phytochemicals 43 available in supplement form individually or mixed with other carotenoids in oil-based formulations.
The rash typically appears 36 to 72 h after exposure and lasts for one to two weeks. Postinflammatory hyperpigmentation can persist for weeks or months. In grazing animals affected skin turns brown and hard and conjunctiva and mucosa membrane in mouth become yellow (Švarc-Gajić, 2011). Animals become photosensitive. Due to skin damaging properties in prolonged exposures psoralens may contribute to cancer formation. Skin burns and blisters provoked by psoralens and UV light are treated topically or systemically by corticosteroids.