Caffeoyl fatty acyl structural esters:enzymatic synthesis, characterization and antioxidant assessment
文献类型： 外文期刊
作者： Weng, Longmei 1 ; Xiao, Zuowei 2 ; Li, Lin 1 ; Ji, Lili 1 ; Sun, Pengyao 1 ; Chen, Zhiyi 3 ; Liang, Yi 4 ; Li, Bing 1 ; Zhan 1 ;
作者机构： 1.South China Univ Technol, Guangdong Prov Key Lab Green Proc Nat Prod & Prod, Engn Res Ctr Starch & Vegetable Prot Proc, Minist Educ,Sch Food Sci & Engn, Guangzhou 510640, Peoples R China
2.Hunan Univ Tradit Chinese Med, Sch Pharm, Changsha 410208, Peoples R China
3.Guangdong Acad Agr Sci, Sericultural & Agri Food Res Inst, Key Lab Funct Foods, Minist Agr & Rural Affairs,Guangdong Key Lab Agr, Guangzhou 510610, Peoples R China
4.Guangdong Zhongqing Font Biochem Sci & Technol Co, Maoming 525427, Guangdong, Peoples R China
关键词： Monocaffeoyl monofatty acyl glycerol; Transesterification; Lypozyme 435, diglyceride; Antioxidant
期刊名称：JOURNAL OF FUNCTIONAL FOODS （ 影响因子：4.451； 五年影响因子：4.907 ）
ISSN： 1756-4646
年卷期： 2020 年 75 卷
页码：
收录情况： SCI
摘要： A novel way of lipase-catalyzed synthesis of monocaffeoyl monofatty acyl glycerols (MCMFGs), caffeic acid derivatives, with improved lipophilicity was investigated. The monocaffeoyl monopalmitoyl glycerol (MCMPG), monocaffeoyl monooleoyl glycerol (MCMOG) and monocaffeoyl monolinoleoyl glycerol (MCMLG) were prepared by Lypozyme 435 catalysis between 1-MCG and fatty acids. High 1-monocafferol glycerol (1-MCG) conversion (> 98.26%) and the maximum yields of MCMPG (26.26%), MCMOP (35.37%) and MCMLP (45.43%) were obtained. The MCMFGs (> 95%) were purified by preparative chromatography and their structures were verified by HPLC-MS/MS and 13C NMR. The ionization and viscosity of fatty acids were major factors during the synthesis of MCMFGs. Subsequently, the antioxidant assays supported that the MCMFGs are effective antioxidants and their antioxidant properties decreased by the "block" effect of their fatty acyl groups on catechol group. This study lighted not only the application of MCMFGs in industry, but also the further design of phenol lipids.
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