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  • Title: Ex vivo antioxidant effects of D-004, a lipid extract from Roystonea regia fruits, on rat prostate tissue.
    Author: Perez Y, Molina V, Mas R, Menendez R, Gonzalez RM, Oyarzabal A, Jimenez S.
    Journal: Asian J Androl; 2008 Jul; 10(4):659-66. PubMed ID: 18478164.
    Abstract:
    AIM: To investigate whether oral treatment with D-004, a lipid extract of the Cuban royal palm fruit, produces antioxidant effects in the prostate tissue of normal and testosterone (T)-treated rats. METHODS: In our first experiment, normal rats were distributed into five groups: one group treated with the vehicle and four groups treated with D-004 (100, 200, 400 or 800 mg/kg). In our second experiment, rats were randomized into five groups: a negative control group and four T-injected groups. The latter were comprised of a positive control group treated with the vehicle, and three groups treated with D-004 (200, 400 or 800 mg/kg). RESULTS: In normal rats, D-004 (100-800 mg/kg) inhibited significantly and dose-dependently iron-initiated malondialdehyde (MDA) accumulation in prostate homogenates (35.7%-80.0%) vs the controls. D-004 (200-800 mg/kg) significantly reduced baseline MDA and carbonyl groups in prostate homogenates of normal rats to approximately 80% and 50%, respectively, and totally (100%) in T-treated rats. CONCLUSION: Oral treatment with D-004 reduced MDA and carbonyl groups dose-dependently and markedly in normal and T-injected rats. These findings show that D-004 given at doses effective to prevent prostate hyperplasia also produces antioxidant effects in the prostate tissue.
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