Polyphenol News and Research

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EGCG in green tea helps prolong preservation of stored blood platelets

In two separate studies, a major component in green tea, epigallocatechin-3-O-gallate (EGCG), has been found to help prolong the preservation of both stored blood platelets and cryopreserved skin tissues.

15 Sep 2009

Researchers reveal that nonextractable polyphenols in fruits are a major part of bioactive compounds

An international team of scientists has found that the polyphenol content of fruits has been underestimated. Polyphenol content in fruits usually refers to extractable polyphenols, but a Spanish scientist working at the Institute of Food Research in Norwich analysed apple, peach and nectarine. She found that nonextractable polyphenol content is up to five times higher than extractable compounds. This work has been published in the Journal of Agricultural and Food Chemistry.

27 Aug 2009

Sensitizing tumor response to cancer treatment

Two forms of skin and brain cancer respond very poorly to chemotherapy and radiation: melanoma and glioblastoma multiforme brain cancer.

5 Aug 2009

Resveratrol shows potential for significant health benefits

The benefits of alcohol are all about moderation. Low to moderate drinking - especially of red wine - appears to reduce all causes of mortality, while too much drinking causes multiple organ damage. A mini-review of recent findings on red wine's polyphenols, particularly one called resveratrol, will be published in the September issue of Alcoholism: Clinical & Experimental Research; the review is also available at Early View.

12 Jun 2009

Chemical found in green tea shows promise as low-cost intervention against sexual HIV transmission,

A chemical found in green tea might be an effective tool against the sexual transmission of HIV, according to a study conducted by researchers at the University of Heidelberg in Germany and published online in the Proceedings of the National Academy of Sciences, AFP/Google.com reports.

22 May 2009

Curcumin suppresses fat tissue growth in rodent models

Curcumin, the major polyphenol found in turmeric, appears to reduce weight gain in mice and suppress the growth of fat tissue in mice and cell models.

18 May 2009

The effect of tea polyphenols on paracetamol-induced hepatotoxicity

Paracetamol is one of the most widely used, studied, and arguably the most notorious hepatotoxic drugs, which is safe at therapeutic doses but causes liver failure when overdosed.

21 Apr 2009

Coffee, caffeine and amyotrophic lateral sclerosis

Amyotrophic lateral sclerosis (ALS) is a fatal disease that damages key neurons in the brain and spinal cord.

20 Apr 2009

Moderate alcohol intake may be beneficial to bone health

In an epidemiological study of men and post-menopausal women primarily over 60 years of age, regular moderate alcohol intake was associated with greater bone mineral density (BMD).

2 Apr 2009

Nanoparticles open door to cancer prevention

Perhaps the best way to fight cancer is to prevent it from developing in the first place, and based on newly published research from investigators at the University of Wisconsin-Madison, nanoparticles may be able to make cancer chemoprevention a reality.

26 Mar 2009

Curry ingredient curcumin makes membranes behave for better health

Revered in India as "holy powder," the marigold-colored spice known as turmeric has been used for centuries to treat wounds, infections and other health problems.

8 Mar 2009

Regular moderate alcohol intake associated with greater bone mineral density

Researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging (USDA HNRCA) at Tufts University found associations were strongest for beer and wine and, importantly, BMD was significantly lower in men drinking more than two servings of liquor per day.

3 Mar 2009