Tag: "pigments" at medical news

New nationwide study will evaluate effect of antioxidants and fish oil on progression of AMD

...adding lutein and zeaxanthin (plant-derived yellow pigments that accumulate in the macula, the small area responsible for central vision near the center of the retina) and the omega-3 fatty acids DHA and EPA (derived from fish and vegetable oils) to the study formulation. The main study objective is to determ...

Laser probe of a brain pigment's anatomy may offer insight into Parkinson's disease

...in people's brains consists of layers of two other pigments commonly found in hair. Other scientists previou... and pheomelanin, found in redheads. But how those pigments are arranged structurally remained unknown -- and this structuring may prove to be of critical impor...

Pigments in corn, squash and other vegetables may help protect against age-related vision loss

...ge 75 years who eat diets rich in the yellow plant pigments lutein and zeaxanthin may have a reduced risk of d... link between AMD and lutein and zeaxanthin, plant pigments known as carotenoids and found in leafy green vegetables, corn, egg yolks, squash, broccoli and peas...

Smoking out the links between nutrition and oral cancer

...h as carotenoids and vitamin E. Carotenoids, plant pigments found in fruits and vegetables, and vitamin E, a fat-soluble vitamin found in nuts, seeds, and vegetable oils, are both antioxidants, which protect cells from damage. Compared to non-smokers, chronic cigarette smokers had lower levels of carotenoids,...

Ozone recovering, but unlikely to stabilize at pre-1980 levels, says study

...to shield their eyes from UV radiation, and fossil pigments of plants imply UV radiation has been stable for thousands of years. "It is the past few decades that have been unusual," said Weatherhead. Now ratified by more than 180 nations, the Montreal Protocol established legally binding controls for nation...

Lizard 'third eye' sheds light on evolution of color vision

...e lizard's parietal eye photoreceptors contain two pigments per cell, blue and green. Having two different pigments allows the cell to respond to two different colors of light and process that information within the ...

Pigment is focus of macular degeneration research

... had never seen it before," he says of the natural pigments found in dark green leafy vegetables such as spinach, turnips and collards, as well as colored fruit and egg yolk. Studies of more than 800 people age 20-60 with good vision back in Dr. Nolan's homeland of Ireland have parallel findings: that the p...

Michigan State research sheds new light on health dangers of nanoparticles

...at is widely used in rubber tires, gaskets, and in pigments for paints, plastics and inks. "This is concerning because carbon black can be found practically anywhere," said Jack Harkema, a University Distinguished Professor of pathobiology and diagnostic investigation at MSU, who conducted the research with c...

Red kiwi poised to make a healthy debut

...fleshed kiwifruit contain anthocyanins, bright red pigments that are highly potent antioxidants, which are thought to provide protection against heart disease and cancer. Kiwifruit already have the reputation of being among the most nutrient dense of all popular fruit and they are also high in antioxidant ac...

New procedures more accurate in early diagnosis of GI cancers

...oendoscopy is the topical application of stains or pigments to improve images during endoscopy. Confocal endomicroscopy is an imaging technique that illustrates intact tissue in significant detail by scanning a laser and restricting the light path. Researchers found that the combination of CE and confocal e...

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