文献类型：期刊文献

英文题名：Preliminary Characterization of the Composition and Phenolic Fragmentation of Olive Byproducts by Gas Chromatography-Mass Spectrometry and High-Performance Liquid Chromatography-Tandem Mass Spectrometry

作者：Wang, Zhihong[1,2] Wang, Chengzhang[1,2,3]

第一作者：Wang, Zhihong

通信作者：Wang, CZ[1]

机构：[1]Chinese Acad Forestry CAF, Inst Chem Ind Forest Prod, Nanjing, Jiangsu, Peoples R China;[2]Chinese Acad Forestry, Key Lab Biomass Energy & Mat, Nanjing, Jiangsu, Peoples R China;[3]CAF, Inst New Technol Forestry, Beijing, Peoples R China

年份：2018

卷号：51

期号：9

起止页码：1335-1357

外文期刊名：ANALYTICAL LETTERS

收录：;Scopus(收录号：2-s2.0-85043333437);WOS:【SCI-EXPANDED(收录号:WOS:000428852800006)】；

基金：This study was financially supported by the China Technology Cooperation with Russia (Project No. 2014DFR31300) and the Science and Technology Major Project and Plan of Gansu Province (Project No. 143NKDK025).

语种：英文

外文关键词：Fragmentation mechanism; gas chromatography-mass spectrometry; high-performance liquid chromatography-mass spectrometry; olive waste; phenolics

摘要：Olive waste is a potential resource due to its rich variety of biologically active compounds. To investigate chemical components of olive waste, the selected samples were extracted using ultrasound assisted enzyme hydrolysis and petroleum ether, ethyl acetate and n-butyl alcohol were used to obtain a series of solvent extracts. Gas chromatography-mass spectrometry analysis showed hydrocarbons, esters, acids, alcohols, and ketones present in the extracts. Some fatty acids were considered to be predominant; it is noteworthy that phenolic compounds were detected in the ethyl acetate extract fraction. Furthermore, the primary phenolic compounds were also determined by high-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry. The possible fragmentation patterns have been proposed in positive and negative ion modes; the main fragment ions were observed from the loss of methyl, hydroxyl, or carboxyl groups. The compounds showed different fragmentation ions types in both positive and negative ionization modes and gave structural information on the main phenolic compounds in olive waste. The results of this study may be used to identify valuable active compounds and guide commercial applications of olive waste.