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Vinegar amount in the process affected the components of vinegar-baked Radix Bupleuri and its hepatoprotective effect
Ya Zhao1,2, Yin-Jie Wang1, Rui-Zhi Zhao3
1Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Neihuan Xilu, Guangzhou Daxuecheng, Guangzhou, 510006, China.
Background:
Bupleuri Radix (in Chinese Chaihu), the dried roots of Bupleurum Chinense DC, is a traditional Chinese medicine widely used to treat fever, hepatitis, jaundice, nephritis, dizziness. When baked with vinegar, its effect is more focused on liver related disease. This paper was undertaken to determine the best vinegar amount in the processing and explore its key efficacy components.
Methods:
Hepatoprotective effects of Radix Bupleuri after processing with different amount of vinegar (1:5, 2:5, 3:5) were investigated on liver hurt rats, and the change of constituents were analyzed by ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS).
Results:
With the increasing amount of vinegar, the hepatoprotective effects of vinegar-baked Radix Bupleuri (VBRB) and the content of saikosaponin b2 increased.
Conclusion:
These results suggested that vinegar amount in the process affected the pharmacological effect of VBRB significantly and saikosaponin b2 may be the key efficacy component of it.
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