Sağlık Bilimleri Fakültesi / Faculty of Health Sciences

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    Protective Effects of Green Tea on Blood and Liver of Rats Fed with High Fructose Diet
    (2022) Gubur, S.; Ercan, A.; Yazici, Z. M. Coskun
    This study was designed to investigate the effects of green tea on lipid profile, liver tissue damage, and oxidative stress in rats fed a diet including high fructose. Sprague-Dawley rats were randomly divided into four groups: Control (C), Fructose (F), Green Tea (GT), and F+GT. F and F+GT groups were given 20% fructose in the drinking water for eight weeks. Green tea (2 mg kg -1) was administrated to GT and F+GT groups by oral gavage for eight weeks. Biochemical parameters in serum and oxidative stress markers in the liver were analysed. The liver sections were stained with haematoxylin-eosin. As of the 3rd week of the experiment, the body weight of rats in the F group showed a statistically significant increase in comparison with the F+GT group. The serum glucose and triglyceride levels of the F+GT group significantly decreased when compared with the F group. The fructose-induced degenerative changes in the liver were reduced with green tea. Green tea may serve a protective role against hyperlipidaemia and liver injury in rats fed a high fructose diet.
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    The Effects of Glucose and Fructose on Body Weight and Some Biochemical Parameters in Rats
    (2018) Koseler, Esra; Kiziltan, Gul; Turker, Perim Fatma; Saka, Mendane; Ok, Mehtap Akcil; Bacanli, Didem; Aydos, Tolga Resat; Bayraktar, Nilufer; Ozdemir, Handan; 0000-0002-4254-3711; 0000-0002-1832-9336; 0000-0002-7886-3688; AAZ-8170-2020; AAJ-7279-2020; Y-8758-2018
    Objective: Dietary fructose from added sugar as high fructose corn syrup may causes major risks in obesity, hyperlipidemia, cardiovascular diseases, hyperuricemia and fatty liver. The aim of this study was to investigate and compare the effects of high fructose and high glucose intake on body weight and some biochemical parameters in rats. Subject and methods: The study was conducted on adult, 32 Wistar albino male rats (300-350 g weeks) which fed with standard laboratory chow. In each group, 8 rats was selected randomly and which was be composed four groups. The rats in each group, in addition to standard meal, different amount of glucose and fructose containing solutions (10% and 30% glucose-fed group, 10% and 30% fructose-fed group) was given by oral gavage for 6 weeks. At baseline and after 6 weeks total cholesterol, VLDL-cholesterol, triglycerides, uric acid, AST and ALT as biochemical parameters and liver histopathological examination of rats were determined. Body weight of the rats was evaluated every week. Results: The 30% fructose group caused higher AST levels according to 10% glucose group, 30% glucose group and 10% fructose group. At the end of 6 weeks, the mean body weight in the fructose-fed groups was higher than the glucose-fed groups (p>0.05). No statistically significant difference between rat groups' portal inflammation rates were found and the moderate and severe ballooning were observed in 30% fructose rats (p<0.05). Conclusions: As a result, dietary fructose from added sugar as high fructose corn syrup may causes major metabolic disorders.