GC-MS Analysis of Low-polar Components and Antioxidant Activities of Vernonia divergens  

作　　者：Dan YANG Xianxian LIU Ye ZHANG Kai WANG Lili XU Zhongquan CHENG 

机构地区：[1]Department of Chemistry and Pharmaceutical Sciences,Guilin Normal College [2]School of Chemical Science and Engineering,Yunnan University

出　　处：《Agricultural Biotechnology》2015年第2期17-18,22,共3页农业生物技术（英文版）

基　　金：Supported by of Natural Science Foundation of Guangxi Zhuang Autonomous Region(2014GXNSFBA118050);Project of State Key Laboratory of Chemical and Molecular Engineering(CMEMR2014-B)

摘　　要：[Objective]This study aimed to analyze the low-polar components and antioxidant activities of Vernonia divergens.[Method]After extraction,the relative contents of various components were calculated with peak area normalization method.In addition,V.divergens were extracted with n-hexane,ethyl acetate and n-butanol,respectively;DPPH scavenging capacity and reducing capacity of these three extracts were analyzed and compared with that of vitamin C.[Result]A total of 29 compounds were identified that accounted for 88.30%of the total amount of low-polar chemical components.The results indicated that n-butanol extract exhibited higher DPPH scavenging capacity and reducing capacity than ethyl acetate extract and n-hexane extract.[Conclusion]This study provided a theoretical basis for the development and utilization of V.divergens.[Objective]This study aimed to analyze the low-polar components and antioxidant activities of Vernonia divergens.[Method]After extraction,the relative contents of various components were calculated with peak area normalization method.In addition,V.divergens were extracted with n-hexane,ethyl acetate and n-butanol,respectively;DPPH scavenging capacity and reducing capacity of these three extracts were analyzed and compared with that of vitamin C.[Result]A total of 29 compounds were identified that accounted for 88.30%of the total amount of low-polar chemical components.The results indicated that n-butanol extract exhibited higher DPPH scavenging capacity and reducing capacity than ethyl acetate extract and n-hexane extract.[Conclusion]This study provided a theoretical basis for the development and utilization of V.divergens.

关 键 词：scavenging DPPH extracts polar hexane antioxidant accounted hydroxymethyl alkaloids vitamin 

分 类 号：R284[医药卫生—中药学] O657.63[医药卫生—中医学]