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Articles by F. Jahanshiri
Total Records ( 3 ) for F. Jahanshiri
  R.R. Hafidh , A.S. Abdulamir , F. Abu Bakar , F. Abas , F. Jahanshiri and Z. Sekawi
  Problem statement: Plant antioxidants are natural plant products that inhibit the adverse effects of the Reactive Oxygen Species (ROS) produced in plants. Thus, antioxidants enable plants to survive. Depending on this principle, human beings started using some plants’ parts to cure from diseases many centuries ago, even before the discovery of microbes or disclosing the etiology of many human diseases. Shed light on the importance of diet and natural products that have proved of great health impact on human traditionally and scientifically, disclosing the central role of natural antioxidants in this matter. Moreover, this review tried to give an overview on the research has so far done in Asian countries particularly in the field of natural antioxidants during the period 2000-2008. Therefore, the aim of this review is to present a comprehensive index for the antioxidant property of herbs and plants that have been traditionally used as well as experimentally proved beneficial in these countries. Approach: We had compared Asian and other nation's diet in the popularity of the traditional medicine and the type of daily meal in respect to their antioxidants contents and valuable health promoting effects. Many literatures had been collected using online search engines and the main library of University Putra Malaysia. The gathered data had been arranged alphabetically in a table depending on the plant’s scientific name, common name, the used part(s) and the family name. Results: The research had shown that there were seventy-six plants with proved antioxidant activity which had been well studied by Asian scientists in the chosen period of time. Conclusion: The antioxidant components of the natural products constitute the major source of human health promotion and maintenance. The nature is still the perfect source for health promotion and for the supplementation of safe drugs. Great attention is mandatory from all the scientists around the world to explore many underestimated plants with highly effective antioxidant activity.
  M. Emadi , K. Kaveh , M.H. Bejo , A. Ideris , F. Jahanshiri , M. Ivan and R.A. Alimon
  An experiment was conducted to determine effects of dietary Arginine (ARG) on growth performance and blood serum parameters in broiler chickens. A corn-soybean meal based diet containing different levels of ARG (0, 0.67, 1.37, 2.07 and 2.77) for the starter (0, 0.53, 1.1, 1.68 and 2.25) for the grower and (0, 0.52, 1.04, 1.56 and 2.08) for the finisher was used. In a completely randomized design with five treatments of five replicates each and 10 chickens per replicate, 250 Cobb 500 male broiler chickens from 0-49 days of age were used. Growth performance (body weight gain, feed intake and feed: gain ratio) and blood serum (albumin, total protein, glucose, cholesterol, triglyceride, urea, uric acid, aspartate amino-transferase, alanine amino-transferase, alkalin phosphatase, lactic dehydrogenase and creatine kinase) parameters were measured at 27 and 49 days of age. Increase of dietary ARG increased (p<0.05) body weight gain, feed intake, albumin, creatine kinase, glucose, urea and uric acid and decreased (p>0.05) aspartate amino-transferase and cholesterol. It was concluded that dietary ARG might have positive effects on health status of the broiler chickens.
  M. Emadi , F. Jahanshiri , F. Azizi Jalalian , K. Kaveh , M.H. Bejo , A. Ideris , A.A. Assumaidaee and R.A. Alimon
  Infectious Bursal Disease (IBD) continues to pose potential threat to poultry industry all over the world. The disease can spell disaster not only through its infection but also by break of immunity in chickens vaccinated for other diseases. On the other hand, arginine (Arg), a ubiquitous, semi-essential amino acid has emerged as an imunostimulant from variety of human and animal studies. In the present study, we demonstrate the stimulatory effects of Arg on systemic immune response in chickens challenged by orally administration of intermediate plus strain of IBD virus at 28 days of age. A corn-soybean meal based diet containing different levels of Arg (0, 0.67, 1.37, 2.07 and 2.77) for the starter, (0, 0.53, 1.1, 1.68 and 2.25) for the grower and (0, 0.52, 1.04, 1.56 and 2.08) for the finisher was used. In a completely randomized design with five treatments of five replicates each and 10 chickens per replicate, 250 Cobb500 male broiler chickens from 0-49 days of age were used. To measure the innate, cellular and humoral immunity indicators (interferon-α, interferon-γ, immunoglobulin G) at 27, 35, 42 and 49 days of age, serum samples from each replicate of treatments were collected and subjected to ELISA. The result showed that Arg supplementation in the chickens basal diets significantly increased the serum levels of interferon-α, interferon-γ, immunoglobulin G at 35, 42 and 49 days of age (p<0.05). The different levels of Arg at 27 days of age did not significantly affect interferon-α, interferon-γ, whereas Arg at 27 days of age significantly increased immunoglobulin G (p<0.05). These results revealed that arginine stimulates systematic immune response against intermediate plus strain of IBDV.
 
 
 
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