BACKGROUND Tea polyphenols, as both insulin potentiating factors and antioxidants, are postulated to act in preventing the metabolic syndrome, which is characterized by insulin resistance, dyslipidemia, and increased oxidative stress. OBJECTIVE AND METHODS Using an animal model of insulin resistance, our objective was to determine the effects of a green tea extract on oxidative stress paramet...

Green tea, prepared from the steamed and dried leaves of the shrub Camellia sinensis, is known for its antioxidant and anti-carcinogenic effects. However, its effects on male gonadal functions have not been explored adequately and the present investigation has been undertaken to evaluate the effect of green tea extract on gonads of adult male albino rats. Results of in vivo studies showed that ...

Periodontium comprises of investing and supporting structures of the teeth namely Gingiva, Periodontal ligament, Cementum and Alveolar bone. Periodontal disease is a chronic inflammatory disease affecting the supporting structures of the teeth. Micro organisms present in the dental plaque are considered as the primary etiological agent for periodontal diseases. Dental plaque contains anaerobic ...

Background Green tea and green tea extract (GTE) consumption is associated with health, exercise performance, fat oxidation and weight loss owing to studies reporting positive effects accompanying chronic supplementation (>30 d). While the overall literature surrounding GTE is equivocal, little data exists examining the effects of acute supplementation prior to exercise (< 24 hr). The primary a...

transfusion in the treatment of thalassemia gives rise to iron deposits in many organs. since there are many obstacles in the use of deferoxamin (dfo) as an iron chelating agent, it is important to find another alternative therapy that can act as iron chelation. the study aims to compare the histopathological pictures of the heart and spleen in iron-induced rats after administration of dfo and ...

Background: Phenolic plant extracts are added as antioxidants in meat to prevent lipid oxidation, but depending on the concentration applied, may affect proteins either through covalent interactions or by serving as a prooxidant. Methods: Brine-injected pork chops prepared with green tea extract (25-160 ppm gallic acid equivalents (GAE)), or maté extract (25-160 ppm GAE) and stored (5 °C, 7 day...

BACKGROUND Urinary tract infections (UTIs) are a very most common type of infection worldwide, and result in billions of dollars in medical care costs. Escherichia coli is the infective agent for 80-90% of all UTIs. Green tea, derived from leaves of the Camellia sinensis plant has been shown to have various potential health benefits (e.g., cardiovascular disease and cancer). The major beneficia...

Our previous studies showed that an extract from Camellia sinenesis (green tea), which contains several polyphenols, attenuates nephrotoxicity caused by cyclosporine A (CsA). Since polyphenols are stimulators of mitochondrial biogenesis (MB), this study investigated whether stimulation of MB plays a role in green tea polyphenol protection against CsA renal toxicity. Rats were fed a powdered die...

Catechins in green tea are known to have many beneficial health properties. Recently, it has been suggested that matcha has greater potential health benefits than other green teas. Matcha is a special powdered green tea used in the Japanese tea ceremony. However, there has been no investigation to quantitate the catechin intake from matcha compared to common green teas. We have developed a rapi...