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[Relationship between antioxidant activities and contents of active ingredients in Radix Scutellaria]
Bin Yang1, Ri-xin Liang, Xiao-ning Zhou
1Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China. ybinmm@hotmail.com
Objective:
To study the relationship between the antioxidant activities and the contents of active ingredients in Radix Scutellaria.
Method:
The antioxidant activities of extracts and active ingredients of Radix Scutellaria in NADPH-dependent lipid peroxidation in rat liver microsome were assayed.
Result:
Extracts of Radix Scutellaria showed a 50% inhibition of lipid peroxidation in the concentration range of 2.72-18.27 mg x L(-1).
Conclusion:
The antioxidant activities of extracts of Radix Scutellaria are not only related with the contents but also the ratio of the active ingredients.
