Rania Mostafa Abdelgalil Mohamed <br/><br/>
Preparation and characterization of natural UV filters encapsulated in different drug delivery systems /  
 تحضير و تمييز مواد طبيعية كحواجز للأشعة فوق البنفسيجية محملة داخل موصلات دوائية مختلفة 
Rania Mostafa Abdelgalil Mohamed ; Supervised Mohamed Farid Elmiligi , Mohamed Ahmed Elnabarawi , Maha Fadel Mohamed 
 - Cairo :   Rania Mostafa Abdelgalil Mohamed ,   2014 
 - 189 P. :   charts , photographs ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Pharmacy - Department of Pharmaceutics 
<br/><br/> The difference between the teas is in their processing. Green tea is made from unfermented leaves and is reputed to contain the highest concentration of polyphenols, chemicals that act as powerful antioxidants. The more the leaves are fermented the lower the polyphenol content and the higher the caffeine content. Antioxidants are substances that scavenge free radicals (damaging compounds in the body that alter cell membranes, tamper with DNA (genetic material), and even cause cell death. Free radicals occur naturally in the body, but environmental toxins (including ultraviolet light, radiation, cigarette smoke and air pollution) can cause increase in the number of these damaging particles. Free radicals are believed to contribute to the aging process as well as the development of a number of health problems including cancer and heart disease  
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<br/><br/><label>Subjects--Index Terms: </label>Characterization of natural Drug delivery systems UV filters encapsulated