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  • Title: Metabonomic study of genkwa flos-induced hepatotoxicity and effect of herb-processing procedure on toxicity.
    Author: Geng L, Ma C, Zhang L, Yang G, Cui Y, Su D, Zhao X, Liu Z, Bi K, Chen X.
    Journal: Phytother Res; 2013 Apr; 27(4):521-9. PubMed ID: 22648611.
    Abstract:
    A urinary metabonomic approach based on ultraperformance liquid chromatography coupled with mass spectrometry (UPLC-MS) was developed to study the metabolic disturbances caused by the administration of Genkwa Flos (GF) to rats. Potential biomarkers of GF-induced toxic effects were screened out and identified, and the underlying toxicological mechanism as well as the detoxification of vinegar-processing procedure on this herb was discussed. Urine samples were analyzed by the established UPLC-MS method. With the help of serum biochemistry and histopathology results, metabolic disturbances induced by the exposure to GF and the detoxification of processing procedure were confirmed. The differences in the metabolic profiles of healthy and treated rats were clearly discriminated with the principal component analysis of the chromatographic data. Eight significantly changed metabolites were identified and interpreted as biomarkers for the hepatotoxicity and detoxification of processing procedure. This study indicated that a UPLC-MS-based metabonomic analysis of urine samples could be considered as a promising tool to predict the hepatotoxicity induced by the GF and the detoxification of traditional vinegar-processing procedure on this herb.
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