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Articles by Thanaa E. Hamed
Total Records ( 2 ) for Thanaa E. Hamed
  Sahar Y. Al-Okbi , Doha A. Mohamed , Thanaa E. Hamed , Ahmed M.M. Gabr , Hoda B. Mabrok , Shaimaa E. Mohammed and Oksana Sytar
  Background and Objective: Non-alcoholic fatty liver is recognized as the hepatic component of metabolic syndrome that accused for induction of cardiovascular and chronic liver diseases. This research evaluated the protective effect of two varieties of buckwheat seeds; Rubra and Karadag and their calli prepared by biotechnology towards non-alcoholic fatty liver in rat. Materials and Methods: Total phenolics, flavonoids, flavonols and DPPH free radical scavenging activity of buckwheat seeds and calli were assessed. Metabolic syndrome together with non-alcoholic fatty liver (MF) was induced by maintaining rats on high fructose diet. Daily oral dose of buckwheat seeds and calli (40 mg/rat) were given to 4 different groups during MF induction and compared to MF control rats and control group fed on balanced diet (NC). The experiment continued for 5 weeks. Results: In vitro free radical scavenging activities, total phenolic and flavonols of the calli were shown to be higher than the seeds. In vivo study showed significant dyslipidemia, significant increase in malondialdehyde, tumor necrosis factor-alpha, transaminase activity and liver fats in MF control group compared to NC. The relative gene expression of transforming growth factor beta-1 (TGF-β1) and TGF-β1 receptors I in liver as fibrogenic markers was significantly up-regulated in MF control group compared to NC. Treatment with different buckwheat forms produced improvement of the various determined plasma parameters and liver fats with variable degrees. Also, mRNA expression of TGF-β1 and TGF-β1 receptors I genes were significantly down-regulated in rats' liver on treatment with buckwheat seeds and calli. Conclusion: Buckwheat seeds and calli showed improvement of fatty liver and fibrogenic biomarkers.
  Thanaa E. Hamed , Afaf Ezzat and Sahar Y. Al-Okbi
  The present research dealt with the evaluation of the anti-diarrheal activity of two therapeutic diets in model of castor oil induced diarrhea in rats. Formula I contain modest amount of skimmed milk, formula II was lactose restricted diet. Both formulae contain cereals, legumes, honey and edible source having anti-diarrheal activity. The nutritional value of the two formulated therapeutic diets was evaluated in normal growing rats in comparison to reference formula, milupa special formula, in addition to control balanced diet (contain 10% protein supplemented from casein). The evaluation of nutritional value depended on determination of total food intake, body weight gain, food efficiency ratio and protein efficiency ratio. Nutritional status of rats fed different diets was also evaluated through determination of certain biochemical parameters such as percentage haematocrit, blood haemoglobin concentration, plasma total protein, albumin, iron, phosphorus, zinc, magnesium, retinol and β-carotene. Results showed that anti-diarrheal activity of formula I was superior compared to formula II. Milupa and formula I have higher values of protein efficiency ratio and food efficiency ratio than control casein diet which were significant in case of Milupa. However diet II showed comparable values to control. Biochemical parameters showed higher values of plasma total protein, magnesium and retinol of rats fed Milupa diet. Feeding diet II produced significant increase of plasma iron magnesium and retinol. However, only significant increase of plasma magnesium has been observed when feeding diet I.
 
 
 
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