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Analysis on Antioxidant Activities in vitro of Refined Powder of Phyllanthus emblica L.

  • Received Date: 2015-05-15
  • The antioxidant activities in vitro of refined powder of Phyllanthus emblica L. were detected by methods based on chemical measurement and cell modeling. The results of anti-peroxidation ability and iron reduction ability trials showed that the refined powder of P. emblica L. had strong ability of anti-peroxidation, and it increased with the increasing of concentration with a clear dose-response relationship. When the concentration reached 800 μg·mL-1, the ability of anti-peroxidation was almost equal to the positive control VC with the same concentration. Meanwhile, it also had iron reduction ability that accompanied by significant dose-response relationship. By in vitro cell culture method, H2O2 was used to induce SH-SY5Y cells damages to establish the cell model of oxidative damage. The author detected the effect of different concentrations of powder on cell survival rate for the model cells by MTT assay. The results indicated that refined powder could show better protective effect to oxidative damaged SH-SY5Y cells in the range of 600 1 200 μg·mL-1. When the concentration reached 1 200 μg·mL-1, the cell survival rate was the highest and refined powder exhibited the best antioxidant activity. Both methods proved the strong antioxidant activities of refined powder of P. emblica L. in vitro.
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Analysis on Antioxidant Activities in vitro of Refined Powder of Phyllanthus emblica L.

  • 1. Research Institute of Resources Insects, Chinese Academy of Forestry
  • 2. Laboratory of Cultivation and Utilization of Resources Insects, State Forestry Administration, Kunming 650224, Yunnan, China

Abstract: The antioxidant activities in vitro of refined powder of Phyllanthus emblica L. were detected by methods based on chemical measurement and cell modeling. The results of anti-peroxidation ability and iron reduction ability trials showed that the refined powder of P. emblica L. had strong ability of anti-peroxidation, and it increased with the increasing of concentration with a clear dose-response relationship. When the concentration reached 800 μg·mL-1, the ability of anti-peroxidation was almost equal to the positive control VC with the same concentration. Meanwhile, it also had iron reduction ability that accompanied by significant dose-response relationship. By in vitro cell culture method, H2O2 was used to induce SH-SY5Y cells damages to establish the cell model of oxidative damage. The author detected the effect of different concentrations of powder on cell survival rate for the model cells by MTT assay. The results indicated that refined powder could show better protective effect to oxidative damaged SH-SY5Y cells in the range of 600 1 200 μg·mL-1. When the concentration reached 1 200 μg·mL-1, the cell survival rate was the highest and refined powder exhibited the best antioxidant activity. Both methods proved the strong antioxidant activities of refined powder of P. emblica L. in vitro.

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