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Articles by Omar Al-Widyan
Total Records ( 2 ) for Omar Al-Widyan
  Omar Al-Widyan , Moayad H. Khataibeh and Khaled Abu-Alruz
  Effects of xylanases on bread quality were examined. Enzymes used were endo-xylanase (EC 3.2.1.8) from different sources of microorganisms. Baked loaves were assessed for Loaves volume, colour and staling rate. Xylanases produced from rumen microorganisms M6 had clearly positive effects on loaf volume of bread as well as anti-firming potential. M3 (produced from Trichoderma longibrachiatum) improved crumb softness. The use of xylanase for breadmaking lowered firmness of bread crumb effectively compared with control loaf. It can be summarized that xylanases had significant positive effects on bread characteristics. In particular, they had advantage in retarding the staling rate of bread. It is recommended that the optimum dosage of enzymes, method of application in industrial scale especially with xylanase should be studied further in order to gain the great advantages of enzyme addition in breadmaking.
  Moayad Khataibeh , Khalid Abu-Alruz , Omar Al-Widyan , Mahmoud Abu-Samak and Jafar Al-Qudah
  The study was designed to investigate the chemoprotective effect of Combined Supplementation of soy and garlic on 7,12-dimethylbenz[α]anthrance (DMBA) induced mammary cancer in female Albino rats. Animals (eighty rats) where equally divided into four groups, (twenty rats each). Group I: each rat received 1 mL of 0.1% saline daily for twenty days. Group II: received 1 mL of 0.1% saline given orally once a day for twenty days after DMBA infusion (30 mg kg-1) and these rats served as controls (cancer control) for groups III and IV. Group III: were post treated with garlic after Infusion with DMBA. Group IV: Treated with Combined Supplementation of Soy and Garlic after DMBA infusion. Biochemical measurement were carried out on liver tissues and serum of experimental animals. Circulating levels of lactate dehydrogenase (LDH), glutamate oxaloacetate transaminase (GOT) and glutamate pyrovate transaminase (GPT) were elevated, while the activities of glutathione-s-transferase (GST) and superoxide dismutase (SOD) and the levels of reduced glutathione (GSH) were reduced in liver tissues in DMBA infused rats as compared to normal. Combined Supplementation of Soy and Garlic treatment altered the above mentioned biochemical parameters towards normal values. Present findings indicate that combined supplementation of soy and garlic got more marked effect on DMBA infused rats as compared to a group of rats received only garlic treatment.
 
 
 
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