Biological activities and single oral dose toxicity in rat of fermented Rhus verniciflua extract
2010
Choi, M.J., Kyungpook National University, Daegu, Republic of Korea | Lee, S.J., Kyungpook National University, Daegu, Republic of Korea | Jang, S.H., Kyungpook National University, Daegu, Republic of Korea | Reza, Md. Ahsanur, Kyungpook National University, Daegu, Republic of Korea | Hong, J.H., Catholic University of Daegu, Gyungsan, Republic of Korea | Jung, H.K., Bio Industry Center, Daegu Technopark, Daegu, Republic of Korea | Park, S.C., Kyungpook National University, Daegu, Republic of Korea
In this study, we investigated the biological activities such as anti-tumor, anti-oxidant and antiinflammatory activities as well as single oral dose toxicity of fermented Rhus verniciflua extract (FRVE). In order to examine anti-tumor activity of FRVE, the sarcoma 180 cells were treated with FRVE at various concentrations (0.03, 0.3, 3 and 30 mg/mL) in microtetrazolium (MTT) assay. In MTT assay, all the cells treated with FRVE at various concentrations have shown a significant difference compared with control (p less than 0.05). In xanthine oxidase inhibition assay to examine the antioxidant activity, the xanthine oxidase inhibition rate of FRVE at 1.5 mg/mL and 15 mg/mL was 85±15.01% and 99±16.02%, respectively. Nitric oxide production in RAW 264.7 cells showed that FRVE showed a significant anti-inflammation effect at 3 mg/mL (p less than 0.05). In single oral dose toxicity study, no differences were observed between control and treated groups in clinical signs, body weight gains, feed and water consumptions. The results indicated that lethal dose 50 (LD∧50) of FRVE was found to be higher than 5,000 mg/kg in this experiment. From the above results, we may suggest that FRVE might have useful as a material for functional food and/ or animal pharmaceutics.
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