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$45.50


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Unit Weight: 500 grams
Unit Volume: 950 cc
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Certificate of Analysis
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Volumetric Equivalents
Lutein P.E. 5% from Tagetes erecta (flowers), 500 grams
    This Lutein PE 5% is the Powdered Extract from Tagetes erecta (flowers) and assayed to be 5.01% Lutein by the manufacturer. This is an ultra pure bulk powder extraction with no fillers, additives or anti-caking agents added. The process involved to make this powdered extract involves the harvesting of the flowers from the Tagetes erecta plant and after drying and pulverizing the flowers a solvent (ethyl alcohol) is employed to dissolve the Lutein (a bright orange carotenoid plant pigment) as well as other fat soluble compounds present in these flowers. All particulate matter is then filtered from the solvent and discarded. The solvent is then removed with the remaining extracted precipitate (solids) becoming this powdered product, Lutein 5%, and the other 95% being collateral plant matter also extracted from these flowers. You will receive a sealed and labeled heavy duty 4 mil polyethylene bag containing 500 grams of this bright orange colored pure bulk powder. Five hundred grams is also 500 grams, or approximately 1.102 pounds, or approximately 17.637 ounces by weight. You won't receive the fancy retail packaging, but you will receive a great deal at or below wholesale prices for a high purity bulk quantity of this product.

    Lutein is a fat soluble carotenoid pigment found in many plants and vegetables including spinach, kale, collard greens and broccoli. Lutein is a powerful antioxidant and when taken as a nutritional supplement can help to support vision health and may also help to prevent age related macular degeneration according to at least one recent study (see reference 6 below). Numerous clinical studies and research studies have found Lutein present in a concentrated area of the macula, the small area of the retina where central vision occurs. Scientists and researchers have theorized that these high concentrations of Lutein, and Lutein's antioxidant interactions, can help the cells of the macula repair damage caused by oxidative stress from high energy light. Lutein is a very powerful antioxidant and may have health benefits that extend to many other health related concerns besides vision. In a study published by the Journal of Clinical Nutrition in year 2000 researchers found that men and women that consumed large amounts of Lutein in their diet were significantly less likely to develop colon cancer. Similarly, a research study by Cambridge University in year 1996 found that individuals with a high dietary intake of Lutein were significantly less likely to develop cardiovascular disease.

    The commonly recommended therapeutic dose for Lutein typically varies from 5 to 30 milligrams per day. How much you should take will depend upon your individual needs. Many individuals report clearer vision within a week or two of beginning Lutein supplementation, but taking too much Lutein can cause excessive pigmentation of the macula and vision can become less acute (sharp). Most Lutein supplements, capsules or tablets, are formulated for a net Lutein of 5mg, 10mg or 20mg taken daily. However, your optimal Lutein dose may be more or less than any of these standardized amounts. Given that this Lutein PE 5% will net 5% Lutein for a given weight your dose for this powder should be approximately twenty times the net Lutein desired. If, for example, you wanted a Lutein dose of 20mg per day the amount of this 5% Lutein powder you would need would be approximately 400mg (400 milligrams). For a dose of 10mg net Lutein your daily dose would be 200mg (200 milligrams) Lutein PE 5%. The most accurate way to measure your Lutein PE 5% dose would be to employ and accurate milligram weight scale and weigh your dose carefully. But to measure your dose by volume you may elect to use US Standardized measuring spoons. Although using measuring spoons to approximate your dose may not be as accurate as a milligram weight scale, it can be accurate enough for most people who are experienced using standardize measure spoons such as are most readily available from any kitchen supply store. For a net Lutein of 20mg you would take a level 1/8 teaspoon of this Lutein PE 5%. For a net dose of 10mg Lutein you would need to take about a level 1/16 teaspoon.

    References:
      1. Johnson, E.J., et al., Relation among serum and tissue concentrations of lutein and zeaxanthin and macular pigment density. Am J Clin Nutr. 2000 Jun; 71(6): 1555-1562.
      2. Landrum, J., et al. Serum and macular pigment response to 2.4 mg dosage of lutein. in ARVO. 2000.
      3. Berendschot, T.T., et al., Influence of lutein supplementation on macular pigment, assessed with two objective techniques. Invest Ophthalmol Vis Sci. 2000 Oct. 41(11): 3322-3326.
      4. Aleman, T.S., et al., Macular pigment and lutein supplementation in retinitis pigmentosa and Usher syndrome. Invest Ophthalmol Vis Sci. 2001 Jul; 42(8): 1873-1881.
      5. Duncan, J.L., et al., Macular pigment and lutein supplementation in choroideremia. Exp Eye Res, 2002. 74(3): p. 371-381.
      6. Johnson, E.J., et al., Nutritional manipulation of primate retinas, III: Effects of lutein or zeaxanthin supplementation on adipose tissue and retina of xanthophyll-free monkeys. Invest Ophthalmol Vis Sci, 2005. 46(2): p. 692-702.
      7. Richer, S, et al, Double-masked, placebo-controlled, randomized trial of lutein and antioxidant supplementation in the intervention of atrophic age-related macular degeneration: the Veterans LAST study (Lutein Antioxidant Supplementation Trial) Optometry, 2004. 75(4): p 216-230.


$45.50
  • Model: LUTEI00500


This product was updated on Saturday 06 September, 2008.
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