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Articles by Mohamed Ezzat Abd El-Hack
Total Records ( 2 ) for Mohamed Ezzat Abd El-Hack
  Mohamed Ezzat Abd El-Hack , Mahmoud Alagawany , Mayada Ragab Farag , Muhammad Arif , Mohamed Emam , Kuldeep Dhama , Muhammad Sarwar and Maryam Sayab
  The concept of "Nanoparticle" is not applied to the individual molecules but it is usually used to indicate to the inorganic materials. These particles vary into different kinds due to their ability to carry different components and act to various conditions of the environment. The different sorts of nanoparticles are used in various sectors such as nutrition, pharmacy, medicine, drug delivery, therapeutics, vaccine formulations, diagnostics, chemical industry, biotechnology and biomedicine for safeguarding health of humans and animals as well as enhancing growth and production performances. The application of nanotechnology is very important in the 21st century to clean up the environment from contaminants by eco-friendly, sustainable, green and economically technologies. Nanotechnology became an essential element of pharmaceutical sciences and nanomaterials have found many applications in systems of drug delivery to enhance the therapeutic performance and efficacy of different drugs and medicines. Most of the current "Nano" systems of drug delivery are linage of conventional dosage forms like nanomicelles, nanoemulsions and nanosuspensions. Also, nanotechnology will have a major role in the future areas of animal nutrition research. Nano additives could be incorporated in capsules or micelles of protein or other natural feed or food component. The use of nutrient nanoparticles may improve the bioavailability of carried nutrients by the epithelial barriers of the gut and their susceptibility to gastrointestinal degradation by digestive enzymes. Offering the matter in a nano form may also improve the functionality of feed/food molecules to the benefit of final product quality.
  Farman Ali Siyal , Mohamed Ezzat Abd El-Hack , Mahmoud Alagawany , Chao Wang , Xioli Wan , Jintian He , Mingfa Wang , Lili Zhang , Xiang Zhong , Tian Wang and Kuldeep Dhama
  Background and Objective: Lecithin is a feed supplement and dietary source of several active compounds; therefore, this study evaluated the Soybean Lecithin (SL) in broiler diets by measuring performance, nutrient utilization, serum parameters and hepatic antioxidant status. Methodology: About 216 days old Arbor Acre broiler chicks were allotted into three groups as follow: the first group was fed a Basal Diet (BD) without emulsifier; the second and third groups were fed basal diet supplemented with 0.05 (SL0.05) and 0.1% (SL0.10) of SL, respectively. Results: During starter, grower and overall period, chicken fed with SL has better daily gain and feed intake compared with control, while feed conversion was improved in SL0.10 throughout the experiment compared to SL0.05 and control. At 21 and 42 days old, SL0.10 showed highest relative liver weight compared to SL0.05 and control (p<0.05). On day 21, digestibility of dry matter, ether extract and protein in chickens fed diet with SL0.10 was significantly improved in comparison with those fed SL0.05 and control. Cholesterol, triglyceride and low density lipoprotein concentrations were decreased in SL0.10 group in comparison with control. Serum glucose was higher in SL0.10 group compared to SL0.05 and control. Feeding SL0.10 resulted in the decreased hepatic malondialdehyde content and remarkably increased catalase, total superoxide dismutase and total antioxidant capacity enzyme activities. Conclusion: Feeding soy lecithin at 0.10% improved performance, reduced cholesterol and triglyceride, LDL-cholesterol concentrations in serum broilers. In addition, soy lecithin is suitable for improving antioxidant status and has ability to protect against oxidative stress.
 
 
 
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