YANG Hui, WANG Zhi-bao. Extraction and Antioxidative Activity of Tannins from Scorzonera Sinensis[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(18): 244-246.
YANG Hui, WANG Zhi-bao. Extraction and Antioxidative Activity of Tannins from Scorzonera Sinensis[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(18): 244-246. DOI: 10.13422/j.cnki.syfjx.2012.18.079.
Extraction and Antioxidative Activity of Tannins from Scorzonera Sinensis
Objective:To determine the content of tannins in above and under ground parts of scorzonera sinensis.To observe antioxidative activity of tannin from scorzonera sinensis.Method:The complexometric titration was used to determine the content of tannins.Iodometric and spectrophotometry were used to determine the effects of tannins on H2O2 and · OH.Result:The tannins in above and under ground parts of scorzonera sinensis was 8.18% and 9.27% accordingly.With the Concentration of 0.05 g · mL-1
the clearance rates on H2O2 and · OH were 8.89% and 88.24%.Conclusion:Tannins of scorzonera sinensis have a strong ability to resistance oxidation.