Thursday, November 1, 2007

more about lutein and eye health

Lutein is a carotenoid (a natural colorant or pigment) found in dark green leafy vegetables such as spinach, plus various fruits and corn. Lutein provides nutritional support to our eyes and skin the only organs of the body directly exposed to the outside environment. There is very good evidence that the lutein in food helps protect against cataracts and macular degeneration, two common, age-related eye disorders. The pigment lutein (from the Latin lutea, meaning "yellow") is one of over 600 known naturally occurring carotenoids. Lutein may play a role in slowing the age-related degeneration of these tissues, both directly as an antioxidant, and indirectly by absorbing blue light. Lutein and its related compound zeaxanthin are highly concentrated in the macula, providing a yellow color known as the macular pigment (MP).The macular pigment protects the macula from the damaging photo-oxidative effects of blue light. Of the about 600 carotenoids present in nature, only a few are present in human serum. Of those, only lutein and zeaxanthin are present in the macula. These facts indicate that lutein plays an important role in eye health. Various studies indicate that a direct relationship exists between lutein intake and pigmentation in the eye, and studies show that lutein may reduce blue light intensity by up to 90%.

Most people consume lutein as part of a normal diet containing fruits and vegetables, but we can all gain from taking lutein in supplement as well. A lot of the foods grown and distributed today lack a healthy nutritional content, because of pollution, poor soil, and long storage periods. That means most people would benefit from taking supplements with lutein. Eye Combo is a supplement with Bilberry (400 mg), Ginkgo biloba (100 mg), Grape seed (100 mg), Tomato (100 mg) and Lutein (5 mg). Based on a study described by Laurie Deutsch Mozian in her book, Foods that Fight Disease, a dietary intake of only six milligrams of lutein per day decreases your chances of developing age-related macular degeneration by 43 percent. The suggested use of Eye Combo is two capsules a day.

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