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Author Archive | Rob McCaleb

Green Tea Polyphenols (GTP) Against Skin Cancer

In studies conducted on human skin, green tea polyphenols prevented ultraviolet (UVB) induced chemical changes in the skin, which are considered to be mediators of UVB induced immunosuppression and skin cancer induction. GTP treated humans can prevented penetration of UV radiation, and protected against UVB-induced local as well as systemic immune suppression in laboratory animals. […]

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Cardiovascular Benefits of EGCG

Recent research published in the American Journal of Physiology Endocrinology And Metabolism describes wide-ranging cardiovascular protective functions of a green tea polyphenol, EGCG. EGCG improved endothelial function and insulin sensitivity, reduced blood pressure and protected against myocardial ischemia and reperfusion injury. The addition of improvements in insulin sensitivity to the cardiovascular benefits indicates the benefit […]

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Green Tea for HIV Treatment?

The green tea flavonoid EGCG has potential therapeutic value for treatment to for HIV-1 infection EGCG binds to the CD4 molecule on T-cells according to research conducted in 2006. “We have demonstrated clear evidence of high affinity binding of EGCG to the CD4 molecule. EGCG has potential use as an adjunctive treatment in HIV-1 infection.” […]

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USP Investigates Safety Of Green Tea Extracts

Green tea is the fourth most commonly used dietary supplement in the United States. After the publication of adverse event case reports involving green tea products and potential liver toxicity, the US Pharmacopeia reviewed safety information for green tea products. 216 case reports on green tea products were analyzed including 34 reports concerning liver damage. […]

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Green Tea Consumption And Liver Disease

Just to keep things in perspective, the previous item about green tea extracts potentially causing liver problems must be balanced against research showing that green tea is protective against liver disease. Chinese researchers a value weighted interventional and observational studies in both Western countries and in China published between 1989 and 2007. They found “a […]

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Tea And Sweat: A New Antiaging Strategy

Japanese researchers explored the effect of tea catechins and regular exercise and the aging associated declining physical performance in mice. The endurance capacity of mice as measured by running time decreased by 17% in control mice, while those fed green tea catechins (0.35%) suffered no decline in endurance. The authors concluded “long-term intake of catechins, […]

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Effect Of Green Tea Extract On Obese Women

Scientists in Taiwan studied the effect of green tea extract on 78 obese women aged 16 to 60 years. They found no significant improvement in body weight, body mass index and weight circumflex. There were significant improvements in LDL cholesterol and triglyceride. Effect of green tea extract on obese women: A randomized, double-blind, placebo-controlled clinical […]

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Green Tea Polyphenols Protect The Skin

Green tea polyphenols have been reported to preserve tissues such as blood vessels, corneas, nerves, islet cells, articular cartilage, and myocardium. Research in Japan examined the effects of EGCG on skin preservation. Utilizing epidermal and dermal skin cells in culture, the researchers report that the tea polyphenol helped to preserve the skin cells for up […]

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Green Tea for Keloids

New research from Korea shows that EGCG selectively suppressed keloid fibroblast proliferation and migration compared to its effect on normal fibroblast proliferation and migration. Keloids are common benign skin tumors, characterized by collagen accumulation and hyperproliferation of fibroblasts. Green Tea Polyphenol Epigallocatechin-3-Gallate Suppresses Collagen Production and Proliferation in Keloid Fibroblasts via Inhibition of the STAT3-Signaling […]

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Green Tea Catechin Polyphenols Attenuate Behavioral and Oxidative Responses to Intermittent Hypoxia

From: American Journal of Respiratory and Critical Care Medicine Date: May 15, 2008 Author: Cheng, Yu; Dayyat, Ehab; Goldbart, Aviv D; Gozal, David; Li, Richard C; Row, Barry W; Burckhardt, Isabel C More results for: green tea polyphenols Rationale: The intermittent hypoxia (IH) that characterizes sleep disordered breathing impairs spatial learning and increases NADPH oxidase […]

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