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Health News Archive 445 - DNA
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Fruit and Vegetable Powder Reduce DNA Damage

In this study, published in the October 2006 Journal of Nutrition, researchers at the University of Florida evaluated the benefit of a fruit and vegetable powder concentrate on signs of oxidative damage.

59 healthy law students were given either an encapsulated fruit and vegetable juice powder concentrate or placebo for 11 weeks. At the start, midpoint and end of the study, blood was drawn to measure antioxidant status, DNA damage and other parameters of immune function.

By the end of the study, there was a 30% (beneficial) increase in circulating T lymphocytes, and a 40% reduction in DNA damage in white cells in those given fruit and vegetable powder concentrate compared to the placebo group. Overall, it was found that those who consumed the supplement had increased levels of plasma nutrients with improvement in antioxidant capacity and reduction in DNA damage with increase in circulating T cells.

Free radical damage to DNA is a leading cause of aging and the decline in health associated with aging. Antioxidants neutralize these free radicals before they damage DNA.

Source: Nantz M, Rowe C, Nieves Jr C, Percival S. Immunity and Antioxidant Capacity in Humans Is Enhanced by Consumption of a Dried, Encapsulated Fruit and Vegetable Juice Concentrate J. Nutr. 2006; 136: 2606-2610.

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