Amr Rezq

• PhD
• Professor at Helwan University

Coffee is obtained from the fruits of coffee tree and is one of the most consumed beverages worldwide. It has more several compounds that have an important functional foods. The presented study was planned to study the effect of Arabian coffee (Saudi coffee) consumption on body mass index (BMI), blood glucose level and blood pressure in some normal...

Coffee is obtained from the fruits of coffee tree and is one of the most consumed beverages worldwide. It has more several compounds that have an important functional foods. The presented study was planned to study the effect of Arabian coffee (Saudi coffee) consumption on body mass index (BMI), blood glucose level and blood pressure in some normal...

Cabbage (white and red) is one of the most important vegetables grown worldwide. Cabbage has widespread use in traditional medicine due to its antioxidant, antiinflammatory, antibacterial effect, in treatment of gastro-intestinal disorders. The present study aimed to investigate antioxidant role of red and white cabbage extracts on hepatoprotective...

The effects of three different preparations of coffee beverages on some biochemical parameters of atherogenicity, kidney and liver functions as well as histopathological structure of aorta, kidney and liver were studied. Four groups of rats were used; group (1) kept as a control group, groups (2), (3) and (4) orally received 1.5 ml/100 g body weigh...

Inflammation is the natural reaction of the body to an antigen, this reaction might be continues even after the elimination of the antigen, entering a chronic stage and targets normal cells of the body and causes extensive damage. The present study was conducted to investigate the effects of Ginger (Zingiber) and Parsley (Baqdounes) extracts as ant...

The present study was conducted to investigate some biological effects of cooked red and white beans (Phaseolus Vulgaris L.) on obese rats. The obtained results showed that obese-hyperlipidemic rats have significant (p<0.05) increase in body weight, % change of body weight, serum levels of total lipids, triglycerides, total cholesterol, LDL-c, bloo...

Liver cancer represents a complex and fatal malignancy derived primarily due to oxidative stress and inflammation; it is the second most prevalent cause of death in underdeveloped and developing countries. The main objective of the present study was to investigate the hepatoprotective effect of pomegranate juice (PJ) and apple juice (AJ) against N-...

Overweight and obesity is a result of positive energy balance over an extended period of time, where energy intake exceeds energy expenditure. The present investigation aimed to study the pattern of food meals, prevalence rate of overweight and obesity and its related diseases among population in Makkah and Jada regions, KSA. A cross sectional stud...

Cinnamon is a favorite spice around the world because of its health benefits, flavors and preserves food. Chamomile is used to treat various diseases, cancer, diarrhea and healing wound. The present study was conducted to prepared aqueous extracts of cinnamon and chamomile by boiling at 100 Cº and soaking at room temperatures for various periods of...

Grape seeds represent a low percentage of the fruit weight, although the antioxidant phenolic compounds present in the seeds account for 60% to 70% of the total polyphenols in the grape. These seeds are used as functional food due to its powerful antioxidant properties. The present study was planned to investigate the efficacy of dried grape seeds...

It is well known that lead (Pb) toxicity induces neurological damage with several disorders like behavioral problems; nerve damage; mental retardation; Parkinson's disease and Alzheimer's disease. Here, we investigated the protective effect of different levels of grape seeds against lead acetate-induced brain toxicity in male rats. Induction of bra...

Due to its powerful antioxidant properties, grape seeds are used as functional food. The present study aimed to evaluate the efficacy of grape seeds in protecting and preventing lead toxicity as indicated by some biochemical parameters and histopathological structure of liver and kidneys in male rats. A total of 50 male Sprague-Dawley rats weighing...

Citrullus lanatus variety is a wild type of watermelon and belongs to family Cucurbitaceae. It is a medicinal plant widely used traditionally in the treatment of some health disorders in world. The present study aimed to investigate antioxidant and antidiabetic properties of watermelon peels (WMP) in streptozo-tocine (STZ)-induced diabetic rats. Th...

Oxidative stress plays an important role in the etiology and pathogenesis of many chronic diseases such as atherosclerosis, hypertension, diabetes mellitus and cancers. Dietary intake of antioxidants can inhibit or delay the oxidation of susceptible cellular substrates so prevent oxidative stress. The present study was designed to investigate poten...

Fenugreek (in Arabic, Hulabah) has medicinal properties such as appetite stimulation, anti-bacterial, antinociceptive, antidiabetic, antileukemic and hypocholesterolemic effects. The present study was designed to comparison hepatoprotective effects of crude fenugreek seeds (CFS) and germinated fenugreek seeds (GFS) against carbon tetrachloride (CCL...

Antioxidants or free radical scavengers are very important in protecting the living cells against any damage induced by free radicals. The effects of Nigella Sativa Extract (NSE), Nigella Sativa Oil (NSO) and Vitamin E (Vit. E) and the combination of NSE or NSO with Vit. E on potassium bromate (KBrO3)-induced oxidative stress in male rats were inve...

Overweight and obesity is a result of positive energy balance over an extended period of time, where energy intake exceeds energy expenditure. The present investigation aimed to study the pattern of food meals, prevalence rate of overweight and obesity and its related diseases among population in Makkah and Jada regions, KSA. A cross sectional stud...

Hazelnut is the second richest source of monounsaturated fatty acids among nuts and is rich in vitamins E and B6, phytosterols, folate, L-arginine, polyphenols and fiber. The present study aimed to investigate the hypoglycemic effect of hazelnut and its effect on some sex hormones in diabetic female rats. Animals were randomly assigned to five grou...

Avocado is highly nutritious fruit, having curative effects for many human ailments, from diarrhea to high blood pressure due to assortment of vitamins, high in monounsaturated fat and potassium. The present study aimed to identify types and concentration of phenolic and flvonoid compounds in avocado fruits andinvestigate itshepatoprotective effect...

Saffron (Crocus sativus) from iridaceous genus is a stable grass and is considered as an important herb in medical, cosmetics and hygienic industries. The aim of present study was to investigate the effect of given oral administration of saffron water extract with different dosages on alloxan-induced diabetic rats. Thirty five male albino rats of S...

Fennel has been known since antiquity as a medicinal and aromatic herb, it commonly used in household remedy for various medicinal purposes. The present study was conducted to investigate the effect of beneficial health effects of fennel seeds on feeding rats with high fat-diet. Histopatho-logical changes of aorta, heart and liver were examined. Th...

Wheat germ is one of the most potential and excellent sources of vitamins, minerals, fiber and proteins. The aim of the present study was to investigate the preventive effect of wheat germ o n hypercholesteremic and atherosclerosis in rats fed cholesterol-containing diet. Five groups of rats were used; group (1) fed cholesterol free-diet (negative...

Pine nuts are cholesterol-free and good source of nutrients. It is rich in energy and consists of protein, carbohydrates, fatty acids, vitamins and minerals. The present study was carried out to investigate the hypolipideimic and hypocholestermic effect of pine nuts on rats fed high fat, cholesterol-diet. Rats were divided into five groups of seven...

Citrus peels have an advantage over the source of dietary fiber due to the presence of associated bioactive compounds with antioxidant properties which may exert further health promoting effects. The present study aimed to investigate beneficial health effect of citrus peel mixture (CPM) on diabetic rats. Animals were randomly assigned to five grou...

Wheat germ is one of the potential sources of proteins at a relative low cost. This study aimed to investigate the effect of additional defatted wheat germ protein on nutritional value and quality of yogurts and biscuits. Defatted wheat germ proteins (DWGP) were extracted by one-step alkaline extraction using alkaline extraction at pH 9.5 and follo...

Amount and type of fats in the diet have an important effect on bone health and lipid profile. This study was conducted to investigate the effect of different types of dietary oils and fats on lipid profile, calcium absorption and bone mineralization in male mice. Mice weighing 25±5 g were divided into nine groups and fed on diets without oils or f...