Inhibitory effect of eleven herbal extracts on advanced glycation end-products formation and aldose reductase activity |
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Authors: | Guang-Yue Hou ;Lu Wang ;Shu Liu ;Feng-Rui Song ;Zhi-Qiang Liu |
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Institution: | a Changchun Center of Mass Spectrometry & Chemical Biology Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China |
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Abstract: | The formation of advanced glycation end-products (AGEs) and aldose reductase (AR) activity have been implicated in the development of diabetic complications. Our study sought to characterize the capacities of eleven herbal extracts against the formation of AGEs and the AR activity. An ultrahigh performance liquid chromatography and tandem mass spectrometry (UPLC-MS/MS) method was used for the detection of AR activity and the screening of AR inhibitors in this research. The amount of sorbitol from each analyte was directly detected using the multiple reaction monitoring mode and the sorbitol level could be reduced via the addition of an inhibitor. Moreover, the BSA/glucose (fructose) system was applied to investigate their inhibitory activities of AGEs formation in glycation model reactions. Compared with other screened herbs used in our study, Flos Sophorae Immaturus and Radix Scutellariae seemed to bemore effective on inhibiting the formation of AGEs and AR activity. The inhibiting capacities of herbal extracts against AR activity and AGEs formation may be correlated with the bioactive components of the herbal extracts. The differences were correlated with the amount of polyphenol and flavonoid components. In the study, we have investigated the potential anti-hyperglycemic bioactivity of eleven herbal extracts in vivo, which could provide a reference for further in vivo research in the prevention and treatment of diabetic complications. |
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Keywords: | Herbal extract Aldose reductase Advanced glycation end-products Ultrahigh performance liquidchromatography-tandem massspectrometry |
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